443142 divided by 81 
We're looking to find how many times 81 goes into 443142.

Step 1:
If we divide 4 by 81, we get 0 and a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 4 and we're left with 4.
Append the next digit (4) from the dividend to 4 and continue with: 44 / 81

Going ahead to step 2:
81 goes into 44 0 times with a remainder of 44.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 44 after subtracting 0 from 44.
Append the next digit (3) from the dividend to 44 and continue with: 443 / 81

Advancing to step 3:
81 can be fit into 443 5 times, resulting in a remainder of 38.
Put 5 as the next digit of the answer. 
Result so far: 5.0
If we take 405 away from 443, we end up with 38.
Append the next digit (1) from the dividend to 38 and continue with: 381 / 81

Let's proceed to step 4:
81 can be fit into 381 4 times, resulting in a remainder of 57.
Record the quotient 4 as the next digit in the result. 
Result so far: 54.0
If we take 324 away from 381, we end up with 57.
Fetch the next digit (4) from the dividend, attach it to 57 and continue: 574 / 81

On to step 5:
If we divide 574 by 81, we get 7 and a remainder of 7.
Use 7 as the next digit of our solution. 
Result so far: 547.0
If we take 567 away from 574, we end up with 7.
Append the next digit (2) from the dividend to 7 and continue with: 72 / 81

Moving on to step 6:
If we divide 72 by 81, we get 0 and a remainder of 72.
The next digit of our result is 0. 
Result so far: 5470.0
The remainder is 72 after subtracting 0 from 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Advancing to step 7:
81 can be fit into 720 8 times, resulting in a remainder of 72.
Write down 8 as next digit of the result. 
Result so far: 5470.8
Deduct 648 from 720 and we're left with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Advancing to step 8:
When dividing 720 by 81, we get 8 with a remainder of 72.
Record the quotient 8 as the next digit in the result. 
Result so far: 5470.88
The remainder is 72 after subtracting 648 from 720.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

The final outcome is 5470.88, with a leftover of 0.072.