We divide 91319639 by 256
Let's see how many times 256 fits into 91319639.

Step 1:
256 goes into 9 0 times with a remainder of 9.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 9 and we're left with 9.
Include the next digit (1) from the dividend after 9, then repeat: 91 / 256

Let's proceed to step 2:
When dividing 91 by 256, we get 0 with a remainder of 91.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 91 after subtracting 0 from 91.
Take the next digit (3) from the dividend and append it to 91, then repeat: 913 / 256

Let's proceed to step 3:
If we divide 913 by 256, we get 3 and a remainder of 145.
Use 3 as the next digit of our solution. 
Result so far: 3.0
If we subtract 768 from 913, we get 145.
Append the next digit (1) from the dividend to 145 and continue with: 1451 / 256

Let's proceed to step 4:
256 goes into 1451 5 times with a remainder of 171.
Put 5 as the next digit of the answer. 
Result so far: 35.0
If we subtract 1280 from 1451, we get 171.
Fetch the next digit (9) from the dividend, attach it to 171 and continue: 1719 / 256

Step 5:
If we divide 1719 by 256, we get 6 and a remainder of 183.
Put 6 as the next digit of the answer. 
Result so far: 356.0
The remainder is 183 after subtracting 1536 from 1719.
Bring next digit (6) of the dividend behind the 183 and repeat the process: 1836 / 256

Going ahead to step 6:
When dividing 1836 by 256, we get 7 with a remainder of 44.
Use 7 as the next digit of our solution. 
Result so far: 3567.0
Deduct 1792 from 1836 and we're left with 44.
Take the next digit (3) from the dividend and append it to 44, then repeat: 443 / 256

On to step 7:
256 can be fit into 443 1 times, resulting in a remainder of 187.
The next digit of our result is 1. 
Result so far: 35671.0
If we subtract 256 from 443, we get 187.
Bring next digit (9) of the dividend behind the 187 and repeat the process: 1879 / 256

Advancing to step 8:
256 can be fit into 1879 7 times, resulting in a remainder of 87.
The number 7 becomes the next digit in our result. 
Result so far: 356717.0
If we subtract 1792 from 1879, we get 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

Let's proceed to step 9:
256 goes into 870 3 times with a remainder of 102.
Write down 3 as next digit of the result. 
Result so far: 356717.3
Subtract 768 from 870 to get 102.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1020, and continue the process.

Step 10:
The number 256 fits into 1020 3 times, leaving a remainder of 252.
The next digit of our result is 3. 
Result so far: 356717.33
Subtracting 768 from 1020 leaves us with 252.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2520, and continue the process.

After the division, we end up with 356717.33 and a remainder of 0.252.