We look at the division of 89307819 by 620 
We're looking to find how many times 620 goes into 89307819.

Step 1:
620 goes into 8 0 times with a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Fetch the next digit (9) from the dividend, attach it to 8 and continue: 89 / 620

Step 2:
89 divided by 620 is 0 with a remainder of 89.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 89 and we're left with 89.
Fetch the next digit (3) from the dividend, attach it to 89 and continue: 893 / 620

On to step 3:
If we divide 893 by 620, we get 1 and a remainder of 273.
Use 1 as the next digit of our solution. 
Result so far: 1.0
The remainder is 273 after subtracting 620 from 893.
Bring next digit (0) of the dividend behind the 273 and repeat the process: 2730 / 620

Advancing to step 4:
If we divide 2730 by 620, we get 4 and a remainder of 250.
Record the quotient 4 as the next digit in the result. 
Result so far: 14.0
If we subtract 2480 from 2730, we get 250.
Bring next digit (7) of the dividend behind the 250 and repeat the process: 2507 / 620

Going ahead to step 5:
When dividing 2507 by 620, we get 4 with a remainder of 27.
Write down 4 as next digit of the result. 
Result so far: 144.0
The remainder is 27 after subtracting 2480 from 2507.
Include the next digit (8) from the dividend after 27, then repeat: 278 / 620

Advancing to step 6:
The number 620 fits into 278 0 times, leaving a remainder of 278.
Put 0 as the next digit of the answer. 
Result so far: 1440.0
If we take 0 away from 278, we end up with 278.
Include the next digit (1) from the dividend after 278, then repeat: 2781 / 620

On to step 7:
2781 divided by 620 is 4 with a remainder of 301.
Write down 4 as next digit of the result. 
Result so far: 14404.0
If we take 2480 away from 2781, we end up with 301.
Grab the next digit (9) from the dividend, add it to 301, then carry on: 3019 / 620

Step 8:
The number 620 fits into 3019 4 times, leaving a remainder of 539.
Use 4 as the next digit of our solution. 
Result so far: 144044.0
If we subtract 2480 from 3019, we get 539.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5390, and continue the process.

On to step 9:
The number 620 fits into 5390 8 times, leaving a remainder of 430.
Put 8 as the next digit of the answer. 
Result so far: 144044.8
Deduct 4960 from 5390 and we're left with 430.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4300, and continue the process.

Going ahead to step 10:
The number 620 fits into 4300 6 times, leaving a remainder of 580.
Use 6 as the next digit of our solution. 
Result so far: 144044.86
If we take 3720 away from 4300, we end up with 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

On to step 11:
When dividing 5800 by 620, we get 9 with a remainder of 220.
The number 9 becomes the next digit in our result. 
Result so far: 144044.869
The remainder is 220 after subtracting 5580 from 5800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Let's proceed to step 12:
The number 620 fits into 2200 3 times, leaving a remainder of 340.
Write down 3 as next digit of the result. 
Result so far: 144044.8693
If we subtract 1860 from 2200, we get 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

Let's proceed to step 13:
620 can be fit into 3400 5 times, resulting in a remainder of 300.
The next digit of our result is 5. 
Result so far: 144044.86935
If we subtract 3100 from 3400, we get 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3000, and continue the process.

Advancing to step 14:
3000 divided by 620 is 4 with a remainder of 520.
Write down 4 as next digit of the result. 
Result so far: 144044.869354
Deduct 2480 from 3000 and we're left with 520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5200, and continue the process.

Moving on to step 15:
The number 620 fits into 5200 8 times, leaving a remainder of 240.
The next digit of our result is 8. 
Result so far: 144044.8693548
If we subtract 4960 from 5200, we get 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Step 16:
When dividing 2400 by 620, we get 3 with a remainder of 540.
Put 3 as the next digit of the answer. 
Result so far: 144044.86935483
Deduct 1860 from 2400 and we're left with 540.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5400, and continue the process.

The final outcome is 144044.86935483, with a leftover of 5.4e-07.