18186144 divided by 647 
The aim is to understand the frequency of 647 in 18186144.

Let's proceed to step 1:
1 divided by 647 is 0 with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Bring next digit (8) of the dividend behind the 1 and repeat the process: 18 / 647

On to step 2:
647 can be fit into 18 0 times, resulting in a remainder of 18.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 18 leaves us with 18.
Append the next digit (1) from the dividend to 18 and continue with: 181 / 647

Let's proceed to step 3:
181 divided by 647 is 0 with a remainder of 181.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 181 to get 181.
Grab the next digit (8) from the dividend, add it to 181, then carry on: 1818 / 647

Moving on to step 4:
When dividing 1818 by 647, we get 2 with a remainder of 524.
Use 2 as the next digit of our solution. 
Result so far: 2.0
Subtracting 1294 from 1818 leaves us with 524.
Include the next digit (6) from the dividend after 524, then repeat: 5246 / 647

On to step 5:
647 can be fit into 5246 8 times, resulting in a remainder of 70.
Put 8 as the next digit of the answer. 
Result so far: 28.0
If we subtract 5176 from 5246, we get 70.
Include the next digit (1) from the dividend after 70, then repeat: 701 / 647

Going ahead to step 6:
647 can be fit into 701 1 times, resulting in a remainder of 54.
Use 1 as the next digit of our solution. 
Result so far: 281.0
Deduct 647 from 701 and we're left with 54.
Include the next digit (4) from the dividend after 54, then repeat: 544 / 647

Let's proceed to step 7:
544 divided by 647 is 0 with a remainder of 544.
Use 0 as the next digit of our solution. 
Result so far: 2810.0
Deduct 0 from 544 and we're left with 544.
Include the next digit (4) from the dividend after 544, then repeat: 5444 / 647

Moving on to step 8:
647 can be fit into 5444 8 times, resulting in a remainder of 268.
The number 8 becomes the next digit in our result. 
Result so far: 28108.0
The remainder is 268 after subtracting 5176 from 5444.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2680, and continue the process.

Advancing to step 9:
If we divide 2680 by 647, we get 4 and a remainder of 92.
Record the quotient 4 as the next digit in the result. 
Result so far: 28108.4
The remainder is 92 after subtracting 2588 from 2680.
Since there are no more digits in the dividend, we add a zero to the remainder making it 920, and continue the process.

Going ahead to step 10:
When dividing 920 by 647, we get 1 with a remainder of 273.
Write down 1 as next digit of the result. 
Result so far: 28108.41
Subtracting 647 from 920 leaves us with 273.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2730, and continue the process.

Going ahead to step 11:
2730 divided by 647 is 4 with a remainder of 142.
Record the quotient 4 as the next digit in the result. 
Result so far: 28108.414
If we subtract 2588 from 2730, we get 142.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1420, and continue the process.

Going ahead to step 12:
The number 647 fits into 1420 2 times, leaving a remainder of 126.
Record the quotient 2 as the next digit in the result. 
Result so far: 28108.4142
Subtract 1294 from 1420 to get 126.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1260, and continue the process.

Moving on to step 13:
If we divide 1260 by 647, we get 1 and a remainder of 613.
The number 1 becomes the next digit in our result. 
Result so far: 28108.41421
The remainder is 613 after subtracting 647 from 1260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6130, and continue the process.

Going ahead to step 14:
647 goes into 6130 9 times with a remainder of 307.
The next digit of our result is 9. 
Result so far: 28108.414219
If we subtract 5823 from 6130, we get 307.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3070, and continue the process.

Advancing to step 15:
647 can be fit into 3070 4 times, resulting in a remainder of 482.
Use 4 as the next digit of our solution. 
Result so far: 28108.4142194
Deduct 2588 from 3070 and we're left with 482.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4820, and continue the process.

Step 16:
647 goes into 4820 7 times with a remainder of 291.
The next digit of our result is 7. 
Result so far: 28108.41421947
Deduct 4529 from 4820 and we're left with 291.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2910, and continue the process.

The quotient of the division is 28108.41421947, and the remainder is 2.91e-07.