81418690 divided by 423 
We're looking to find how many times 423 goes into 81418690.

Going ahead to step 1:
When dividing 8 by 423, we get 0 with a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Grab the next digit (1) from the dividend, add it to 8, then carry on: 81 / 423

Let's proceed to step 2:
If we divide 81 by 423, we get 0 and a remainder of 81.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 81 to get 81.
Include the next digit (4) from the dividend after 81, then repeat: 814 / 423

On to step 3:
814 divided by 423 is 1 with a remainder of 391.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we subtract 423 from 814, we get 391.
Grab the next digit (1) from the dividend, add it to 391, then carry on: 3911 / 423

Let's proceed to step 4:
423 can be fit into 3911 9 times, resulting in a remainder of 104.
The number 9 becomes the next digit in our result. 
Result so far: 19.0
Subtracting 3807 from 3911 leaves us with 104.
Grab the next digit (8) from the dividend, add it to 104, then carry on: 1048 / 423

Let's proceed to step 5:
1048 divided by 423 is 2 with a remainder of 202.
Put 2 as the next digit of the answer. 
Result so far: 192.0
Subtract 846 from 1048 to get 202.
Append the next digit (6) from the dividend to 202 and continue with: 2026 / 423

Moving on to step 6:
423 can be fit into 2026 4 times, resulting in a remainder of 334.
Put 4 as the next digit of the answer. 
Result so far: 1924.0
Subtract 1692 from 2026 to get 334.
Append the next digit (9) from the dividend to 334 and continue with: 3349 / 423

Advancing to step 7:
The number 423 fits into 3349 7 times, leaving a remainder of 388.
The number 7 becomes the next digit in our result. 
Result so far: 19247.0
If we subtract 2961 from 3349, we get 388.
Fetch the next digit (0) from the dividend, attach it to 388 and continue: 3880 / 423

Advancing to step 8:
423 goes into 3880 9 times with a remainder of 73.
Put 9 as the next digit of the answer. 
Result so far: 192479.0
The remainder is 73 after subtracting 3807 from 3880.
Since there are no more digits in the dividend, we add a zero to the remainder making it 730, and continue the process.

Step 9:
When dividing 730 by 423, we get 1 with a remainder of 307.
Put 1 as the next digit of the answer. 
Result so far: 192479.1
If we take 423 away from 730, we end up with 307.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3070, and continue the process.

On to step 10:
When dividing 3070 by 423, we get 7 with a remainder of 109.
Put 7 as the next digit of the answer. 
Result so far: 192479.17
Subtracting 2961 from 3070 leaves us with 109.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1090, and continue the process.

Moving on to step 11:
423 can be fit into 1090 2 times, resulting in a remainder of 244.
The next digit of our result is 2. 
Result so far: 192479.172
Subtracting 846 from 1090 leaves us with 244.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2440, and continue the process.

On to step 12:
423 goes into 2440 5 times with a remainder of 325.
Write down 5 as next digit of the result. 
Result so far: 192479.1725
Subtracting 2115 from 2440 leaves us with 325.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3250, and continue the process.

On to step 13:
3250 divided by 423 is 7 with a remainder of 289.
Write down 7 as next digit of the result. 
Result so far: 192479.17257
Deduct 2961 from 3250 and we're left with 289.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2890, and continue the process.

Step 14:
423 can be fit into 2890 6 times, resulting in a remainder of 352.
Put 6 as the next digit of the answer. 
Result so far: 192479.172576
The remainder is 352 after subtracting 2538 from 2890.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3520, and continue the process.

Moving on to step 15:
423 can be fit into 3520 8 times, resulting in a remainder of 136.
The number 8 becomes the next digit in our result. 
Result so far: 192479.1725768
If we take 3384 away from 3520, we end up with 136.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1360, and continue the process.

Let's proceed to step 16:
1360 divided by 423 is 3 with a remainder of 91.
Write down 3 as next digit of the result. 
Result so far: 192479.17257683
Subtract 1269 from 1360 to get 91.
Since there are no more digits in the dividend, we add a zero to the remainder making it 910, and continue the process.

In conclusion, the division gives 192479.17257683 with a balance of 9.1e-08.