39415169 ÷ 921 
The aim is to understand the frequency of 921 in 39415169.

Going ahead to step 1:
921 goes into 3 0 times with a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Bring next digit (9) of the dividend behind the 3 and repeat the process: 39 / 921

Let's proceed to step 2:
The number 921 fits into 39 0 times, leaving a remainder of 39.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 39 after subtracting 0 from 39.
Grab the next digit (4) from the dividend, add it to 39, then carry on: 394 / 921

On to step 3:
394 divided by 921 is 0 with a remainder of 394.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 394 and we're left with 394.
Bring next digit (1) of the dividend behind the 394 and repeat the process: 3941 / 921

Going ahead to step 4:
921 goes into 3941 4 times with a remainder of 257.
The next digit of our result is 4. 
Result so far: 4.0
The remainder is 257 after subtracting 3684 from 3941.
Bring next digit (5) of the dividend behind the 257 and repeat the process: 2575 / 921

Let's proceed to step 5:
921 goes into 2575 2 times with a remainder of 733.
Record the quotient 2 as the next digit in the result. 
Result so far: 42.0
If we take 1842 away from 2575, we end up with 733.
Fetch the next digit (1) from the dividend, attach it to 733 and continue: 7331 / 921

Going ahead to step 6:
The number 921 fits into 7331 7 times, leaving a remainder of 884.
The next digit of our result is 7. 
Result so far: 427.0
If we take 6447 away from 7331, we end up with 884.
Include the next digit (6) from the dividend after 884, then repeat: 8846 / 921

Advancing to step 7:
921 can be fit into 8846 9 times, resulting in a remainder of 557.
The next digit of our result is 9. 
Result so far: 4279.0
Deduct 8289 from 8846 and we're left with 557.
Append the next digit (9) from the dividend to 557 and continue with: 5579 / 921

Moving on to step 8:
921 goes into 5579 6 times with a remainder of 53.
Put 6 as the next digit of the answer. 
Result so far: 42796.0
Subtracting 5526 from 5579 leaves us with 53.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

Let's proceed to step 9:
921 goes into 530 0 times with a remainder of 530.
Put 0 as the next digit of the answer. 
Result so far: 42796.0
The remainder is 530 after subtracting 0 from 530.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5300, and continue the process.

Going ahead to step 10:
921 goes into 5300 5 times with a remainder of 695.
Record the quotient 5 as the next digit in the result. 
Result so far: 42796.05
Deduct 4605 from 5300 and we're left with 695.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6950, and continue the process.

On to step 11:
The number 921 fits into 6950 7 times, leaving a remainder of 503.
Use 7 as the next digit of our solution. 
Result so far: 42796.057
If we take 6447 away from 6950, we end up with 503.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5030, and continue the process.

Advancing to step 12:
The number 921 fits into 5030 5 times, leaving a remainder of 425.
Put 5 as the next digit of the answer. 
Result so far: 42796.0575
The remainder is 425 after subtracting 4605 from 5030.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4250, and continue the process.

Let's proceed to step 13:
When dividing 4250 by 921, we get 4 with a remainder of 566.
Write down 4 as next digit of the result. 
Result so far: 42796.05754
The remainder is 566 after subtracting 3684 from 4250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5660, and continue the process.

Going ahead to step 14:
5660 divided by 921 is 6 with a remainder of 134.
The number 6 becomes the next digit in our result. 
Result so far: 42796.057546
If we take 5526 away from 5660, we end up with 134.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1340, and continue the process.

On to step 15:
The number 921 fits into 1340 1 times, leaving a remainder of 419.
Use 1 as the next digit of our solution. 
Result so far: 42796.0575461
Deduct 921 from 1340 and we're left with 419.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4190, and continue the process.

Step 16:
921 goes into 4190 4 times with a remainder of 506.
The next digit of our result is 4. 
Result so far: 42796.05754614
If we subtract 3684 from 4190, we get 506.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5060, and continue the process.

The final result is 42796.05754614 with a remainder of 5.06e-07.