We divide 21459281 by 549
We're looking to find how many times 549 goes into 21459281.

Let's proceed to step 1:
The number 549 fits into 2 0 times, leaving a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Append the next digit (1) from the dividend to 2 and continue with: 21 / 549

On to step 2:
If we divide 21 by 549, we get 0 and a remainder of 21.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 21, we end up with 21.
Grab the next digit (4) from the dividend, add it to 21, then carry on: 214 / 549

Advancing to step 3:
When dividing 214 by 549, we get 0 with a remainder of 214.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 214 after subtracting 0 from 214.
Fetch the next digit (5) from the dividend, attach it to 214 and continue: 2145 / 549

Moving on to step 4:
If we divide 2145 by 549, we get 3 and a remainder of 498.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
If we subtract 1647 from 2145, we get 498.
Append the next digit (9) from the dividend to 498 and continue with: 4989 / 549

Step 5:
If we divide 4989 by 549, we get 9 and a remainder of 48.
The next digit of our result is 9. 
Result so far: 39.0
If we subtract 4941 from 4989, we get 48.
Include the next digit (2) from the dividend after 48, then repeat: 482 / 549

Let's proceed to step 6:
When dividing 482 by 549, we get 0 with a remainder of 482.
Write down 0 as next digit of the result. 
Result so far: 390.0
If we subtract 0 from 482, we get 482.
Include the next digit (8) from the dividend after 482, then repeat: 4828 / 549

Going ahead to step 7:
4828 divided by 549 is 8 with a remainder of 436.
Use 8 as the next digit of our solution. 
Result so far: 3908.0
Subtracting 4392 from 4828 leaves us with 436.
Include the next digit (1) from the dividend after 436, then repeat: 4361 / 549

On to step 8:
549 goes into 4361 7 times with a remainder of 518.
Use 7 as the next digit of our solution. 
Result so far: 39087.0
If we take 3843 away from 4361, we end up with 518.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5180, and continue the process.

Let's proceed to step 9:
The number 549 fits into 5180 9 times, leaving a remainder of 239.
Record the quotient 9 as the next digit in the result. 
Result so far: 39087.9
Subtracting 4941 from 5180 leaves us with 239.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2390, and continue the process.

Step 10:
549 goes into 2390 4 times with a remainder of 194.
Put 4 as the next digit of the answer. 
Result so far: 39087.94
If we take 2196 away from 2390, we end up with 194.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1940, and continue the process.

Moving on to step 11:
The number 549 fits into 1940 3 times, leaving a remainder of 293.
The number 3 becomes the next digit in our result. 
Result so far: 39087.943
Deduct 1647 from 1940 and we're left with 293.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2930, and continue the process.

Step 12:
If we divide 2930 by 549, we get 5 and a remainder of 185.
Record the quotient 5 as the next digit in the result. 
Result so far: 39087.9435
Deduct 2745 from 2930 and we're left with 185.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1850, and continue the process.

On to step 13:
The number 549 fits into 1850 3 times, leaving a remainder of 203.
The number 3 becomes the next digit in our result. 
Result so far: 39087.94353
Subtracting 1647 from 1850 leaves us with 203.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2030, and continue the process.

Advancing to step 14:
549 can be fit into 2030 3 times, resulting in a remainder of 383.
Put 3 as the next digit of the answer. 
Result so far: 39087.943533
The remainder is 383 after subtracting 1647 from 2030.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3830, and continue the process.

The final result is 39087.943533 with a remainder of 3.83e-05.