We divide 16981486 by 686
Let's see how many times 686 fits into 16981486.

Step 1:
686 goes into 1 0 times with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Take the next digit (6) from the dividend and append it to 1, then repeat: 16 / 686

Let's proceed to step 2:
686 can be fit into 16 0 times, resulting in a remainder of 16.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 16 to get 16.
Bring next digit (9) of the dividend behind the 16 and repeat the process: 169 / 686

On to step 3:
If we divide 169 by 686, we get 0 and a remainder of 169.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 169, we end up with 169.
Append the next digit (8) from the dividend to 169 and continue with: 1698 / 686

Advancing to step 4:
If we divide 1698 by 686, we get 2 and a remainder of 326.
The next digit of our result is 2. 
Result so far: 2.0
Deduct 1372 from 1698 and we're left with 326.
Grab the next digit (1) from the dividend, add it to 326, then carry on: 3261 / 686

Let's proceed to step 5:
The number 686 fits into 3261 4 times, leaving a remainder of 517.
Write down 4 as next digit of the result. 
Result so far: 24.0
Deduct 2744 from 3261 and we're left with 517.
Bring next digit (4) of the dividend behind the 517 and repeat the process: 5174 / 686

Let's proceed to step 6:
686 goes into 5174 7 times with a remainder of 372.
Use 7 as the next digit of our solution. 
Result so far: 247.0
The remainder is 372 after subtracting 4802 from 5174.
Take the next digit (8) from the dividend and append it to 372, then repeat: 3728 / 686

Going ahead to step 7:
If we divide 3728 by 686, we get 5 and a remainder of 298.
The number 5 becomes the next digit in our result. 
Result so far: 2475.0
Deduct 3430 from 3728 and we're left with 298.
Bring next digit (6) of the dividend behind the 298 and repeat the process: 2986 / 686

Advancing to step 8:
If we divide 2986 by 686, we get 4 and a remainder of 242.
Put 4 as the next digit of the answer. 
Result so far: 24754.0
Deduct 2744 from 2986 and we're left with 242.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2420, and continue the process.

Step 9:
2420 divided by 686 is 3 with a remainder of 362.
The next digit of our result is 3. 
Result so far: 24754.3
If we take 2058 away from 2420, we end up with 362.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3620, and continue the process.

Let's proceed to step 10:
3620 divided by 686 is 5 with a remainder of 190.
Write down 5 as next digit of the result. 
Result so far: 24754.35
Deduct 3430 from 3620 and we're left with 190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1900, and continue the process.

Moving on to step 11:
The number 686 fits into 1900 2 times, leaving a remainder of 528.
Write down 2 as next digit of the result. 
Result so far: 24754.352
Deduct 1372 from 1900 and we're left with 528.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5280, and continue the process.

Moving on to step 12:
5280 divided by 686 is 7 with a remainder of 478.
Record the quotient 7 as the next digit in the result. 
Result so far: 24754.3527
If we take 4802 away from 5280, we end up with 478.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4780, and continue the process.

On to step 13:
4780 divided by 686 is 6 with a remainder of 664.
The next digit of our result is 6. 
Result so far: 24754.35276
If we take 4116 away from 4780, we end up with 664.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6640, and continue the process.

On to step 14:
6640 divided by 686 is 9 with a remainder of 466.
The next digit of our result is 9. 
Result so far: 24754.352769
Subtracting 6174 from 6640 leaves us with 466.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4660, and continue the process.

On to step 15:
4660 divided by 686 is 6 with a remainder of 544.
Record the quotient 6 as the next digit in the result. 
Result so far: 24754.3527696
Subtracting 4116 from 4660 leaves us with 544.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5440, and continue the process.

On to step 16:
686 can be fit into 5440 7 times, resulting in a remainder of 638.
Put 7 as the next digit of the answer. 
Result so far: 24754.35276967
Deduct 4802 from 5440 and we're left with 638.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6380, and continue the process.

The final outcome is 24754.35276967, with a leftover of 6.38e-07.