542538 divided by 81 
Let's see how many times 81 fits into 542538.

Moving on to step 1:
When dividing 5 by 81, we get 0 with a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Grab the next digit (4) from the dividend, add it to 5, then carry on: 54 / 81

Going ahead to step 2:
54 divided by 81 is 0 with a remainder of 54.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 54, we get 54.
Grab the next digit (2) from the dividend, add it to 54, then carry on: 542 / 81

Step 3:
When dividing 542 by 81, we get 6 with a remainder of 56.
Write down 6 as next digit of the result. 
Result so far: 6.0
Subtracting 486 from 542 leaves us with 56.
Take the next digit (5) from the dividend and append it to 56, then repeat: 565 / 81

Moving on to step 4:
When dividing 565 by 81, we get 6 with a remainder of 79.
Use 6 as the next digit of our solution. 
Result so far: 66.0
If we take 486 away from 565, we end up with 79.
Include the next digit (3) from the dividend after 79, then repeat: 793 / 81

Step 5:
793 divided by 81 is 9 with a remainder of 64.
The next digit of our result is 9. 
Result so far: 669.0
If we subtract 729 from 793, we get 64.
Take the next digit (8) from the dividend and append it to 64, then repeat: 648 / 81

Advancing to step 6:
648 divided by 81 is 8 with a remainder of 0.
Record the quotient 8 as the next digit in the result. 
Result so far: 6698.0
Subtracting 648 from 648 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 7:
81 goes into 0 0 times with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 6698.0
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 8:
When dividing 0 by 81, we get 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 6698.0
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The quotient of the division is 6698.0, and the remainder is 0.0.