33685336 divided by 639 
The aim is to understand the frequency of 639 in 33685336.

Advancing to step 1:
When dividing 3 by 639, we get 0 with a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Include the next digit (3) from the dividend after 3, then repeat: 33 / 639

Let's proceed to step 2:
If we divide 33 by 639, we get 0 and a remainder of 33.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 33, we get 33.
Take the next digit (6) from the dividend and append it to 33, then repeat: 336 / 639

Step 3:
The number 639 fits into 336 0 times, leaving a remainder of 336.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 336 leaves us with 336.
Append the next digit (8) from the dividend to 336 and continue with: 3368 / 639

Moving on to step 4:
639 can be fit into 3368 5 times, resulting in a remainder of 173.
The next digit of our result is 5. 
Result so far: 5.0
The remainder is 173 after subtracting 3195 from 3368.
Take the next digit (5) from the dividend and append it to 173, then repeat: 1735 / 639

Going ahead to step 5:
If we divide 1735 by 639, we get 2 and a remainder of 457.
The next digit of our result is 2. 
Result so far: 52.0
Subtract 1278 from 1735 to get 457.
Fetch the next digit (3) from the dividend, attach it to 457 and continue: 4573 / 639

Step 6:
The number 639 fits into 4573 7 times, leaving a remainder of 100.
The next digit of our result is 7. 
Result so far: 527.0
Subtracting 4473 from 4573 leaves us with 100.
Bring next digit (3) of the dividend behind the 100 and repeat the process: 1003 / 639

Let's proceed to step 7:
1003 divided by 639 is 1 with a remainder of 364.
Put 1 as the next digit of the answer. 
Result so far: 5271.0
If we subtract 639 from 1003, we get 364.
Bring next digit (6) of the dividend behind the 364 and repeat the process: 3646 / 639

Advancing to step 8:
639 goes into 3646 5 times with a remainder of 451.
Use 5 as the next digit of our solution. 
Result so far: 52715.0
Subtract 3195 from 3646 to get 451.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4510, and continue the process.

Moving on to step 9:
639 goes into 4510 7 times with a remainder of 37.
The number 7 becomes the next digit in our result. 
Result so far: 52715.7
Deduct 4473 from 4510 and we're left with 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

Step 10:
When dividing 370 by 639, we get 0 with a remainder of 370.
Put 0 as the next digit of the answer. 
Result so far: 52715.7
If we subtract 0 from 370, we get 370.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3700, and continue the process.

On to step 11:
3700 divided by 639 is 5 with a remainder of 505.
Put 5 as the next digit of the answer. 
Result so far: 52715.705
If we take 3195 away from 3700, we end up with 505.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5050, and continue the process.

Moving on to step 12:
639 goes into 5050 7 times with a remainder of 577.
Use 7 as the next digit of our solution. 
Result so far: 52715.7057
Deduct 4473 from 5050 and we're left with 577.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5770, and continue the process.

On to step 13:
If we divide 5770 by 639, we get 9 and a remainder of 19.
The number 9 becomes the next digit in our result. 
Result so far: 52715.70579
Deduct 5751 from 5770 and we're left with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

On to step 14:
639 goes into 190 0 times with a remainder of 190.
Use 0 as the next digit of our solution. 
Result so far: 52715.70579
If we subtract 0 from 190, we get 190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1900, and continue the process.

On to step 15:
1900 divided by 639 is 2 with a remainder of 622.
Put 2 as the next digit of the answer. 
Result so far: 52715.7057902
Subtract 1278 from 1900 to get 622.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6220, and continue the process.

On to step 16:
The number 639 fits into 6220 9 times, leaving a remainder of 469.
Put 9 as the next digit of the answer. 
Result so far: 52715.70579029
Deduct 5751 from 6220 and we're left with 469.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4690, and continue the process.

The quotient of the division is 52715.70579029, and the remainder is 4.69e-07.