We're dividing 31554409 by 729 
The aim is to understand the frequency of 729 in 31554409.

On to step 1:
3 divided by 729 is 0 with a remainder of 3.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Take the next digit (1) from the dividend and append it to 3, then repeat: 31 / 729

On to step 2:
When dividing 31 by 729, we get 0 with a remainder of 31.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 31 and we're left with 31.
Take the next digit (5) from the dividend and append it to 31, then repeat: 315 / 729

Advancing to step 3:
When dividing 315 by 729, we get 0 with a remainder of 315.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 315, we end up with 315.
Take the next digit (5) from the dividend and append it to 315, then repeat: 3155 / 729

Moving on to step 4:
When dividing 3155 by 729, we get 4 with a remainder of 239.
Write down 4 as next digit of the result. 
Result so far: 4.0
The remainder is 239 after subtracting 2916 from 3155.
Bring next digit (4) of the dividend behind the 239 and repeat the process: 2394 / 729

Going ahead to step 5:
When dividing 2394 by 729, we get 3 with a remainder of 207.
Put 3 as the next digit of the answer. 
Result so far: 43.0
Subtract 2187 from 2394 to get 207.
Include the next digit (4) from the dividend after 207, then repeat: 2074 / 729

On to step 6:
729 can be fit into 2074 2 times, resulting in a remainder of 616.
Write down 2 as next digit of the result. 
Result so far: 432.0
Subtract 1458 from 2074 to get 616.
Include the next digit (0) from the dividend after 616, then repeat: 6160 / 729

Going ahead to step 7:
6160 divided by 729 is 8 with a remainder of 328.
The number 8 becomes the next digit in our result. 
Result so far: 4328.0
Subtracting 5832 from 6160 leaves us with 328.
Append the next digit (9) from the dividend to 328 and continue with: 3289 / 729

On to step 8:
The number 729 fits into 3289 4 times, leaving a remainder of 373.
Put 4 as the next digit of the answer. 
Result so far: 43284.0
The remainder is 373 after subtracting 2916 from 3289.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3730, and continue the process.

Let's proceed to step 9:
The number 729 fits into 3730 5 times, leaving a remainder of 85.
Write down 5 as next digit of the result. 
Result so far: 43284.5
Deduct 3645 from 3730 and we're left with 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

Let's proceed to step 10:
If we divide 850 by 729, we get 1 and a remainder of 121.
Use 1 as the next digit of our solution. 
Result so far: 43284.51
Subtract 729 from 850 to get 121.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1210, and continue the process.

Advancing to step 11:
The number 729 fits into 1210 1 times, leaving a remainder of 481.
Write down 1 as next digit of the result. 
Result so far: 43284.511
Subtracting 729 from 1210 leaves us with 481.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4810, and continue the process.

The final result is 43284.511 with a remainder of 0.0481.