81617119 ÷ 839 
The aim is to understand the frequency of 839 in 81617119.

Moving on to step 1:
If we divide 8 by 839, we get 0 and a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Grab the next digit (1) from the dividend, add it to 8, then carry on: 81 / 839

Advancing to step 2:
839 can be fit into 81 0 times, resulting in a remainder of 81.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 81 leaves us with 81.
Bring next digit (6) of the dividend behind the 81 and repeat the process: 816 / 839

Going ahead to step 3:
When dividing 816 by 839, we get 0 with a remainder of 816.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 816 and we're left with 816.
Include the next digit (1) from the dividend after 816, then repeat: 8161 / 839

On to step 4:
The number 839 fits into 8161 9 times, leaving a remainder of 610.
Put 9 as the next digit of the answer. 
Result so far: 9.0
If we subtract 7551 from 8161, we get 610.
Include the next digit (7) from the dividend after 610, then repeat: 6107 / 839

Going ahead to step 5:
When dividing 6107 by 839, we get 7 with a remainder of 234.
The number 7 becomes the next digit in our result. 
Result so far: 97.0
The remainder is 234 after subtracting 5873 from 6107.
Take the next digit (1) from the dividend and append it to 234, then repeat: 2341 / 839

Moving on to step 6:
839 can be fit into 2341 2 times, resulting in a remainder of 663.
Record the quotient 2 as the next digit in the result. 
Result so far: 972.0
Deduct 1678 from 2341 and we're left with 663.
Fetch the next digit (1) from the dividend, attach it to 663 and continue: 6631 / 839

On to step 7:
The number 839 fits into 6631 7 times, leaving a remainder of 758.
Put 7 as the next digit of the answer. 
Result so far: 9727.0
Subtracting 5873 from 6631 leaves us with 758.
Include the next digit (9) from the dividend after 758, then repeat: 7589 / 839

Moving on to step 8:
The number 839 fits into 7589 9 times, leaving a remainder of 38.
The next digit of our result is 9. 
Result so far: 97279.0
Deduct 7551 from 7589 and we're left with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Step 9:
839 can be fit into 380 0 times, resulting in a remainder of 380.
The next digit of our result is 0. 
Result so far: 97279.0
Subtracting 0 from 380 leaves us with 380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3800, and continue the process.

Moving on to step 10:
3800 divided by 839 is 4 with a remainder of 444.
Use 4 as the next digit of our solution. 
Result so far: 97279.04
Subtracting 3356 from 3800 leaves us with 444.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4440, and continue the process.

Moving on to step 11:
If we divide 4440 by 839, we get 5 and a remainder of 245.
The number 5 becomes the next digit in our result. 
Result so far: 97279.045
Deduct 4195 from 4440 and we're left with 245.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2450, and continue the process.

On to step 12:
The number 839 fits into 2450 2 times, leaving a remainder of 772.
Write down 2 as next digit of the result. 
Result so far: 97279.0452
If we subtract 1678 from 2450, we get 772.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7720, and continue the process.

Advancing to step 13:
7720 divided by 839 is 9 with a remainder of 169.
The next digit of our result is 9. 
Result so far: 97279.04529
Deduct 7551 from 7720 and we're left with 169.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1690, and continue the process.

Going ahead to step 14:
839 goes into 1690 2 times with a remainder of 12.
Use 2 as the next digit of our solution. 
Result so far: 97279.045292
If we subtract 1678 from 1690, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Going ahead to step 15:
120 divided by 839 is 0 with a remainder of 120.
The number 0 becomes the next digit in our result. 
Result so far: 97279.045292
Deduct 0 from 120 and we're left with 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Let's proceed to step 16:
When dividing 1200 by 839, we get 1 with a remainder of 361.
Put 1 as the next digit of the answer. 
Result so far: 97279.04529201
The remainder is 361 after subtracting 839 from 1200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3610, and continue the process.

In conclusion, the division gives 97279.04529201 with a balance of 3.61e-07.