Let's divide 57404173 by 909
The aim is to understand the frequency of 909 in 57404173.

Step 1:
When dividing 5 by 909, we get 0 with a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Append the next digit (7) from the dividend to 5 and continue with: 57 / 909

Going ahead to step 2:
The number 909 fits into 57 0 times, leaving a remainder of 57.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 57, we get 57.
Take the next digit (4) from the dividend and append it to 57, then repeat: 574 / 909

Advancing to step 3:
909 goes into 574 0 times with a remainder of 574.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 574, we end up with 574.
Fetch the next digit (0) from the dividend, attach it to 574 and continue: 5740 / 909

Step 4:
The number 909 fits into 5740 6 times, leaving a remainder of 286.
Record the quotient 6 as the next digit in the result. 
Result so far: 6.0
Subtracting 5454 from 5740 leaves us with 286.
Include the next digit (4) from the dividend after 286, then repeat: 2864 / 909

Advancing to step 5:
When dividing 2864 by 909, we get 3 with a remainder of 137.
Put 3 as the next digit of the answer. 
Result so far: 63.0
Subtract 2727 from 2864 to get 137.
Grab the next digit (1) from the dividend, add it to 137, then carry on: 1371 / 909

Advancing to step 6:
1371 divided by 909 is 1 with a remainder of 462.
Write down 1 as next digit of the result. 
Result so far: 631.0
If we take 909 away from 1371, we end up with 462.
Fetch the next digit (7) from the dividend, attach it to 462 and continue: 4627 / 909

Step 7:
909 goes into 4627 5 times with a remainder of 82.
The number 5 becomes the next digit in our result. 
Result so far: 6315.0
Deduct 4545 from 4627 and we're left with 82.
Grab the next digit (3) from the dividend, add it to 82, then carry on: 823 / 909

Advancing to step 8:
909 can be fit into 823 0 times, resulting in a remainder of 823.
Put 0 as the next digit of the answer. 
Result so far: 63150.0
The remainder is 823 after subtracting 0 from 823.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8230, and continue the process.

Moving on to step 9:
909 can be fit into 8230 9 times, resulting in a remainder of 49.
Use 9 as the next digit of our solution. 
Result so far: 63150.9
Deduct 8181 from 8230 and we're left with 49.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

On to step 10:
If we divide 490 by 909, we get 0 and a remainder of 490.
Use 0 as the next digit of our solution. 
Result so far: 63150.9
Deduct 0 from 490 and we're left with 490.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4900, and continue the process.

Moving on to step 11:
The number 909 fits into 4900 5 times, leaving a remainder of 355.
Write down 5 as next digit of the result. 
Result so far: 63150.905
Subtract 4545 from 4900 to get 355.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3550, and continue the process.

Going ahead to step 12:
909 can be fit into 3550 3 times, resulting in a remainder of 823.
Use 3 as the next digit of our solution. 
Result so far: 63150.9053
Subtract 2727 from 3550 to get 823.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8230, and continue the process.

Moving on to step 13:
When dividing 8230 by 909, we get 9 with a remainder of 49.
The next digit of our result is 9. 
Result so far: 63150.90539
If we subtract 8181 from 8230, we get 49.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Step 14:
The number 909 fits into 490 0 times, leaving a remainder of 490.
Write down 0 as next digit of the result. 
Result so far: 63150.90539
If we subtract 0 from 490, we get 490.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4900, and continue the process.

On to step 15:
909 can be fit into 4900 5 times, resulting in a remainder of 355.
Put 5 as the next digit of the answer. 
Result so far: 63150.9053905
Deduct 4545 from 4900 and we're left with 355.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3550, and continue the process.

Let's proceed to step 16:
909 can be fit into 3550 3 times, resulting in a remainder of 823.
The next digit of our result is 3. 
Result so far: 63150.90539053
Subtracting 2727 from 3550 leaves us with 823.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8230, and continue the process.

The final result is 63150.90539053 with a remainder of 8.23e-07.