We look at the division of 21461391 by 859 
We're looking to find how many times 859 goes into 21461391.

Advancing to step 1:
If we divide 2 by 859, we get 0 and a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 859

Step 2:
The number 859 fits into 21 0 times, leaving a remainder of 21.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 21 after subtracting 0 from 21.
Grab the next digit (4) from the dividend, add it to 21, then carry on: 214 / 859

Let's proceed to step 3:
859 goes into 214 0 times with a remainder of 214.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 214, we get 214.
Grab the next digit (6) from the dividend, add it to 214, then carry on: 2146 / 859

On to step 4:
The number 859 fits into 2146 2 times, leaving a remainder of 428.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Subtracting 1718 from 2146 leaves us with 428.
Include the next digit (1) from the dividend after 428, then repeat: 4281 / 859

On to step 5:
859 can be fit into 4281 4 times, resulting in a remainder of 845.
Put 4 as the next digit of the answer. 
Result so far: 24.0
The remainder is 845 after subtracting 3436 from 4281.
Append the next digit (3) from the dividend to 845 and continue with: 8453 / 859

On to step 6:
8453 divided by 859 is 9 with a remainder of 722.
Write down 9 as next digit of the result. 
Result so far: 249.0
The remainder is 722 after subtracting 7731 from 8453.
Append the next digit (9) from the dividend to 722 and continue with: 7229 / 859

Moving on to step 7:
When dividing 7229 by 859, we get 8 with a remainder of 357.
Write down 8 as next digit of the result. 
Result so far: 2498.0
If we take 6872 away from 7229, we end up with 357.
Include the next digit (1) from the dividend after 357, then repeat: 3571 / 859

Let's proceed to step 8:
859 can be fit into 3571 4 times, resulting in a remainder of 135.
Use 4 as the next digit of our solution. 
Result so far: 24984.0
Subtracting 3436 from 3571 leaves us with 135.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1350, and continue the process.

Let's proceed to step 9:
859 goes into 1350 1 times with a remainder of 491.
Put 1 as the next digit of the answer. 
Result so far: 24984.1
Subtract 859 from 1350 to get 491.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4910, and continue the process.

On to step 10:
If we divide 4910 by 859, we get 5 and a remainder of 615.
The next digit of our result is 5. 
Result so far: 24984.15
Subtracting 4295 from 4910 leaves us with 615.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6150, and continue the process.

Advancing to step 11:
If we divide 6150 by 859, we get 7 and a remainder of 137.
Put 7 as the next digit of the answer. 
Result so far: 24984.157
If we take 6013 away from 6150, we end up with 137.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1370, and continue the process.

Going ahead to step 12:
If we divide 1370 by 859, we get 1 and a remainder of 511.
Use 1 as the next digit of our solution. 
Result so far: 24984.1571
Subtracting 859 from 1370 leaves us with 511.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5110, and continue the process.

Advancing to step 13:
859 goes into 5110 5 times with a remainder of 815.
Record the quotient 5 as the next digit in the result. 
Result so far: 24984.15715
If we subtract 4295 from 5110, we get 815.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8150, and continue the process.

Let's proceed to step 14:
859 goes into 8150 9 times with a remainder of 419.
The number 9 becomes the next digit in our result. 
Result so far: 24984.157159
If we take 7731 away from 8150, we end up with 419.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4190, and continue the process.

Going ahead to step 15:
859 can be fit into 4190 4 times, resulting in a remainder of 754.
Record the quotient 4 as the next digit in the result. 
Result so far: 24984.1571594
Subtract 3436 from 4190 to get 754.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7540, and continue the process.

On to step 16:
The number 859 fits into 7540 8 times, leaving a remainder of 668.
The next digit of our result is 8. 
Result so far: 24984.15715948
If we take 6872 away from 7540, we end up with 668.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6680, and continue the process.

The final outcome is 24984.15715948, with a leftover of 6.68e-07.