74166232 divided by 810 
The aim is to understand the frequency of 810 in 74166232.

Let's proceed to step 1:
When dividing 7 by 810, we get 0 with a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Include the next digit (4) from the dividend after 7, then repeat: 74 / 810

Let's proceed to step 2:
810 goes into 74 0 times with a remainder of 74.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 74, we get 74.
Include the next digit (1) from the dividend after 74, then repeat: 741 / 810

Step 3:
The number 810 fits into 741 0 times, leaving a remainder of 741.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 741 to get 741.
Append the next digit (6) from the dividend to 741 and continue with: 7416 / 810

On to step 4:
The number 810 fits into 7416 9 times, leaving a remainder of 126.
Record the quotient 9 as the next digit in the result. 
Result so far: 9.0
Deduct 7290 from 7416 and we're left with 126.
Fetch the next digit (6) from the dividend, attach it to 126 and continue: 1266 / 810

Step 5:
The number 810 fits into 1266 1 times, leaving a remainder of 456.
The number 1 becomes the next digit in our result. 
Result so far: 91.0
Deduct 810 from 1266 and we're left with 456.
Take the next digit (2) from the dividend and append it to 456, then repeat: 4562 / 810

Advancing to step 6:
810 can be fit into 4562 5 times, resulting in a remainder of 512.
Use 5 as the next digit of our solution. 
Result so far: 915.0
Subtracting 4050 from 4562 leaves us with 512.
Fetch the next digit (3) from the dividend, attach it to 512 and continue: 5123 / 810

Step 7:
5123 divided by 810 is 6 with a remainder of 263.
Put 6 as the next digit of the answer. 
Result so far: 9156.0
Subtracting 4860 from 5123 leaves us with 263.
Include the next digit (2) from the dividend after 263, then repeat: 2632 / 810

Advancing to step 8:
If we divide 2632 by 810, we get 3 and a remainder of 202.
Put 3 as the next digit of the answer. 
Result so far: 91563.0
If we subtract 2430 from 2632, we get 202.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2020, and continue the process.

Moving on to step 9:
810 goes into 2020 2 times with a remainder of 400.
Record the quotient 2 as the next digit in the result. 
Result so far: 91563.2
The remainder is 400 after subtracting 1620 from 2020.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

Step 10:
The number 810 fits into 4000 4 times, leaving a remainder of 760.
The next digit of our result is 4. 
Result so far: 91563.24
Deduct 3240 from 4000 and we're left with 760.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7600, and continue the process.

Advancing to step 11:
810 goes into 7600 9 times with a remainder of 310.
Record the quotient 9 as the next digit in the result. 
Result so far: 91563.249
Subtracting 7290 from 7600 leaves us with 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

Advancing to step 12:
When dividing 3100 by 810, we get 3 with a remainder of 670.
The next digit of our result is 3. 
Result so far: 91563.2493
If we subtract 2430 from 3100, we get 670.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6700, and continue the process.

Step 13:
The number 810 fits into 6700 8 times, leaving a remainder of 220.
The number 8 becomes the next digit in our result. 
Result so far: 91563.24938
If we subtract 6480 from 6700, we get 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Moving on to step 14:
The number 810 fits into 2200 2 times, leaving a remainder of 580.
The next digit of our result is 2. 
Result so far: 91563.249382
The remainder is 580 after subtracting 1620 from 2200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

On to step 15:
810 goes into 5800 7 times with a remainder of 130.
The next digit of our result is 7. 
Result so far: 91563.2493827
Deduct 5670 from 5800 and we're left with 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

Moving on to step 16:
When dividing 1300 by 810, we get 1 with a remainder of 490.
The next digit of our result is 1. 
Result so far: 91563.24938271
The remainder is 490 after subtracting 810 from 1300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4900, and continue the process.

Our division results in 91563.24938271 with a remaining 4.9e-07.