We look at the division of 54136863 by 280 
We're looking to find how many times 280 goes into 54136863.

Going ahead to step 1:
280 goes into 5 0 times with a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Fetch the next digit (4) from the dividend, attach it to 5 and continue: 54 / 280

Step 2:
280 goes into 54 0 times with a remainder of 54.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 54 after subtracting 0 from 54.
Fetch the next digit (1) from the dividend, attach it to 54 and continue: 541 / 280

Moving on to step 3:
The number 280 fits into 541 1 times, leaving a remainder of 261.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we take 280 away from 541, we end up with 261.
Append the next digit (3) from the dividend to 261 and continue with: 2613 / 280

Step 4:
280 goes into 2613 9 times with a remainder of 93.
The next digit of our result is 9. 
Result so far: 19.0
The remainder is 93 after subtracting 2520 from 2613.
Bring next digit (6) of the dividend behind the 93 and repeat the process: 936 / 280

Going ahead to step 5:
If we divide 936 by 280, we get 3 and a remainder of 96.
The number 3 becomes the next digit in our result. 
Result so far: 193.0
If we subtract 840 from 936, we get 96.
Take the next digit (8) from the dividend and append it to 96, then repeat: 968 / 280

Advancing to step 6:
968 divided by 280 is 3 with a remainder of 128.
Record the quotient 3 as the next digit in the result. 
Result so far: 1933.0
The remainder is 128 after subtracting 840 from 968.
Take the next digit (6) from the dividend and append it to 128, then repeat: 1286 / 280

Let's proceed to step 7:
The number 280 fits into 1286 4 times, leaving a remainder of 166.
Use 4 as the next digit of our solution. 
Result so far: 19334.0
Subtracting 1120 from 1286 leaves us with 166.
Bring next digit (3) of the dividend behind the 166 and repeat the process: 1663 / 280

On to step 8:
1663 divided by 280 is 5 with a remainder of 263.
The next digit of our result is 5. 
Result so far: 193345.0
If we take 1400 away from 1663, we end up with 263.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2630, and continue the process.

Going ahead to step 9:
If we divide 2630 by 280, we get 9 and a remainder of 110.
Record the quotient 9 as the next digit in the result. 
Result so far: 193345.9
Subtract 2520 from 2630 to get 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

On to step 10:
When dividing 1100 by 280, we get 3 with a remainder of 260.
Write down 3 as next digit of the result. 
Result so far: 193345.93
If we take 840 away from 1100, we end up with 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2600, and continue the process.

Moving on to step 11:
280 can be fit into 2600 9 times, resulting in a remainder of 80.
The number 9 becomes the next digit in our result. 
Result so far: 193345.939
The remainder is 80 after subtracting 2520 from 2600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Moving on to step 12:
The number 280 fits into 800 2 times, leaving a remainder of 240.
Put 2 as the next digit of the answer. 
Result so far: 193345.9392
Subtracting 560 from 800 leaves us with 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

On to step 13:
The number 280 fits into 2400 8 times, leaving a remainder of 160.
Put 8 as the next digit of the answer. 
Result so far: 193345.93928
Subtracting 2240 from 2400 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.

Step 14:
The number 280 fits into 1600 5 times, leaving a remainder of 200.
Record the quotient 5 as the next digit in the result. 
Result so far: 193345.939285
Subtract 1400 from 1600 to get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Advancing to step 15:
280 goes into 2000 7 times with a remainder of 40.
The next digit of our result is 7. 
Result so far: 193345.9392857
If we take 1960 away from 2000, 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.

Let's proceed to step 16:
280 goes into 400 1 times with a remainder of 120.
Write down 1 as next digit of the result. 
Result so far: 193345.93928571
Deduct 280 from 400 and we're left with 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

The final result is 193345.93928571 with a remainder of 1.2e-07.