Let's divide 33781005 by 39
The aim is to understand the frequency of 39 in 33781005.

Let's proceed to step 1:
When dividing 3 by 39, we get 0 with a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Fetch the next digit (3) from the dividend, attach it to 3 and continue: 33 / 39

On to step 2:
If we divide 33 by 39, we get 0 and a remainder of 33.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 33 to get 33.
Grab the next digit (7) from the dividend, add it to 33, then carry on: 337 / 39

Going ahead to step 3:
The number 39 fits into 337 8 times, leaving a remainder of 25.
The number 8 becomes the next digit in our result. 
Result so far: 8.0
Subtract 312 from 337 to get 25.
Grab the next digit (8) from the dividend, add it to 25, then carry on: 258 / 39

Advancing to step 4:
The number 39 fits into 258 6 times, leaving a remainder of 24.
The number 6 becomes the next digit in our result. 
Result so far: 86.0
If we take 234 away from 258, we end up with 24.
Grab the next digit (1) from the dividend, add it to 24, then carry on: 241 / 39

Going ahead to step 5:
39 goes into 241 6 times with a remainder of 7.
Use 6 as the next digit of our solution. 
Result so far: 866.0
Subtracting 234 from 241 leaves us with 7.
Bring next digit (0) of the dividend behind the 7 and repeat the process: 70 / 39

Advancing to step 6:
If we divide 70 by 39, we get 1 and a remainder of 31.
Write down 1 as next digit of the result. 
Result so far: 8661.0
If we take 39 away from 70, we end up with 31.
Fetch the next digit (0) from the dividend, attach it to 31 and continue: 310 / 39

Step 7:
The number 39 fits into 310 7 times, leaving a remainder of 37.
The number 7 becomes the next digit in our result. 
Result so far: 86617.0
If we take 273 away from 310, we end up with 37.
Include the next digit (5) from the dividend after 37, then repeat: 375 / 39

Going ahead to step 8:
When dividing 375 by 39, we get 9 with a remainder of 24.
Record the quotient 9 as the next digit in the result. 
Result so far: 866179.0
If we take 351 away from 375, we end up with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

On to step 9:
When dividing 240 by 39, we get 6 with a remainder of 6.
Record the quotient 6 as the next digit in the result. 
Result so far: 866179.6
If we subtract 234 from 240, we get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Let's proceed to step 10:
When dividing 60 by 39, we get 1 with a remainder of 21.
The next digit of our result is 1. 
Result so far: 866179.61
If we subtract 39 from 60, we get 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Let's proceed to step 11:
The number 39 fits into 210 5 times, leaving a remainder of 15.
Put 5 as the next digit of the answer. 
Result so far: 866179.615
If we take 195 away from 210, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Advancing to step 12:
39 can be fit into 150 3 times, resulting in a remainder of 33.
Record the quotient 3 as the next digit in the result. 
Result so far: 866179.6153
If we subtract 117 from 150, we get 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Moving on to step 13:
When dividing 330 by 39, we get 8 with a remainder of 18.
Use 8 as the next digit of our solution. 
Result so far: 866179.61538
Subtracting 312 from 330 leaves us with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Step 14:
39 can be fit into 180 4 times, resulting in a remainder of 24.
Use 4 as the next digit of our solution. 
Result so far: 866179.615384
Subtract 156 from 180 to get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Going ahead to step 15:
When dividing 240 by 39, we get 6 with a remainder of 6.
Put 6 as the next digit of the answer. 
Result so far: 866179.6153846
Deduct 234 from 240 and we're left with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Advancing to step 16:
39 can be fit into 60 1 times, resulting in a remainder of 21.
Put 1 as the next digit of the answer. 
Result so far: 866179.61538461
If we subtract 39 from 60, we get 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

After the division, we end up with 866179.61538461 and a remainder of 2.1e-08.