We divide 13901721 by 524
Let's see how many times 524 fits into 13901721.

Step 1:
1 divided by 524 is 0 with a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Grab the next digit (3) from the dividend, add it to 1, then carry on: 13 / 524

Step 2:
The number 524 fits into 13 0 times, leaving a remainder of 13.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 13 to get 13.
Include the next digit (9) from the dividend after 13, then repeat: 139 / 524

Moving on to step 3:
If we divide 139 by 524, we get 0 and a remainder of 139.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 139, we end up with 139.
Append the next digit (0) from the dividend to 139 and continue with: 1390 / 524

Step 4:
The number 524 fits into 1390 2 times, leaving a remainder of 342.
Put 2 as the next digit of the answer. 
Result so far: 2.0
The remainder is 342 after subtracting 1048 from 1390.
Fetch the next digit (1) from the dividend, attach it to 342 and continue: 3421 / 524

Moving on to step 5:
3421 divided by 524 is 6 with a remainder of 277.
The number 6 becomes the next digit in our result. 
Result so far: 26.0
If we subtract 3144 from 3421, we get 277.
Grab the next digit (7) from the dividend, add it to 277, then carry on: 2777 / 524

Advancing to step 6:
524 can be fit into 2777 5 times, resulting in a remainder of 157.
The next digit of our result is 5. 
Result so far: 265.0
Subtract 2620 from 2777 to get 157.
Take the next digit (2) from the dividend and append it to 157, then repeat: 1572 / 524

Step 7:
The number 524 fits into 1572 3 times, leaving a remainder of 0.
Use 3 as the next digit of our solution. 
Result so far: 2653.0
Subtracting 1572 from 1572 leaves us with 0.
Grab the next digit (1) from the dividend, add it to 0, then carry on: 1 / 524

Let's proceed to step 8:
524 goes into 1 0 times with a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 26530.0
The remainder is 1 after subtracting 0 from 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Advancing to step 9:
524 goes into 10 0 times with a remainder of 10.
Record the quotient 0 as the next digit in the result. 
Result so far: 26530.0
Subtract 0 from 10 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 10:
If we divide 100 by 524, we get 0 and a remainder of 100.
Put 0 as the next digit of the answer. 
Result so far: 26530.0
Deduct 0 from 100 and we're left with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Our division results in 26530.0 with a remaining 0.1.