81240239 divided by 172 
Let's see how many times 172 fits into 81240239.

Step 1:
If we divide 8 by 172, we get 0 and a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Bring next digit (1) of the dividend behind the 8 and repeat the process: 81 / 172

On to step 2:
81 divided by 172 is 0 with a remainder of 81.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 81 after subtracting 0 from 81.
Include the next digit (2) from the dividend after 81, then repeat: 812 / 172

Let's proceed to step 3:
If we divide 812 by 172, we get 4 and a remainder of 124.
Use 4 as the next digit of our solution. 
Result so far: 4.0
Subtracting 688 from 812 leaves us with 124.
Bring next digit (4) of the dividend behind the 124 and repeat the process: 1244 / 172

On to step 4:
When dividing 1244 by 172, we get 7 with a remainder of 40.
Write down 7 as next digit of the result. 
Result so far: 47.0
If we subtract 1204 from 1244, we get 40.
Fetch the next digit (0) from the dividend, attach it to 40 and continue: 400 / 172

Advancing to step 5:
172 can be fit into 400 2 times, resulting in a remainder of 56.
Put 2 as the next digit of the answer. 
Result so far: 472.0
Subtracting 344 from 400 leaves us with 56.
Append the next digit (2) from the dividend to 56 and continue with: 562 / 172

Moving on to step 6:
When dividing 562 by 172, we get 3 with a remainder of 46.
The number 3 becomes the next digit in our result. 
Result so far: 4723.0
If we take 516 away from 562, we end up with 46.
Grab the next digit (3) from the dividend, add it to 46, then carry on: 463 / 172

Moving on to step 7:
When dividing 463 by 172, we get 2 with a remainder of 119.
Record the quotient 2 as the next digit in the result. 
Result so far: 47232.0
The remainder is 119 after subtracting 344 from 463.
Append the next digit (9) from the dividend to 119 and continue with: 1199 / 172

Going ahead to step 8:
The number 172 fits into 1199 6 times, leaving a remainder of 167.
Use 6 as the next digit of our solution. 
Result so far: 472326.0
Subtracting 1032 from 1199 leaves us with 167.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1670, and continue the process.

Moving on to step 9:
172 can be fit into 1670 9 times, resulting in a remainder of 122.
Put 9 as the next digit of the answer. 
Result so far: 472326.9
If we take 1548 away from 1670, we end up with 122.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1220, and continue the process.

Going ahead to step 10:
When dividing 1220 by 172, we get 7 with a remainder of 16.
Put 7 as the next digit of the answer. 
Result so far: 472326.97
The remainder is 16 after subtracting 1204 from 1220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Advancing to step 11:
172 can be fit into 160 0 times, resulting in a remainder of 160.
Record the quotient 0 as the next digit in the result. 
Result so far: 472326.97
Subtracting 0 from 160 leaves us with 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Advancing to step 12:
If we divide 1600 by 172, we get 9 and a remainder of 52.
The next digit of our result is 9. 
Result so far: 472326.9709
The remainder is 52 after subtracting 1548 from 1600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Advancing to step 13:
When dividing 520 by 172, we get 3 with a remainder of 4.
The next digit of our result is 3. 
Result so far: 472326.97093
Subtracting 516 from 520 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Step 14:
If we divide 40 by 172, we get 0 and a remainder of 40.
Use 0 as the next digit of our solution. 
Result so far: 472326.97093
If we take 0 away from 40, we end up with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 15:
400 divided by 172 is 2 with a remainder of 56.
The next digit of our result is 2. 
Result so far: 472326.9709302
If we subtract 344 from 400, we get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Going ahead to step 16:
When dividing 560 by 172, we get 3 with a remainder of 44.
Record the quotient 3 as the next digit in the result. 
Result so far: 472326.97093023
Subtract 516 from 560 to get 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Our division results in 472326.97093023 with a remaining 4.4e-08.