38781630 ÷ 859 
The aim is to understand the frequency of 859 in 38781630.

Step 1:
When dividing 3 by 859, we get 0 with a remainder of 3.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Append the next digit (8) from the dividend to 3 and continue with: 38 / 859

Moving on to step 2:
If we divide 38 by 859, we get 0 and a remainder of 38.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 38 and we're left with 38.
Fetch the next digit (7) from the dividend, attach it to 38 and continue: 387 / 859

Moving on to step 3:
387 divided by 859 is 0 with a remainder of 387.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 387, we get 387.
Fetch the next digit (8) from the dividend, attach it to 387 and continue: 3878 / 859

Advancing to step 4:
The number 859 fits into 3878 4 times, leaving a remainder of 442.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
If we subtract 3436 from 3878, we get 442.
Take the next digit (1) from the dividend and append it to 442, then repeat: 4421 / 859

Advancing to step 5:
If we divide 4421 by 859, we get 5 and a remainder of 126.
Write down 5 as next digit of the result. 
Result so far: 45.0
If we take 4295 away from 4421, we end up with 126.
Grab the next digit (6) from the dividend, add it to 126, then carry on: 1266 / 859

Moving on to step 6:
When dividing 1266 by 859, we get 1 with a remainder of 407.
The next digit of our result is 1. 
Result so far: 451.0
If we subtract 859 from 1266, we get 407.
Bring next digit (3) of the dividend behind the 407 and repeat the process: 4073 / 859

Let's proceed to step 7:
When dividing 4073 by 859, we get 4 with a remainder of 637.
The number 4 becomes the next digit in our result. 
Result so far: 4514.0
If we take 3436 away from 4073, we end up with 637.
Take the next digit (0) from the dividend and append it to 637, then repeat: 6370 / 859

Let's proceed to step 8:
The number 859 fits into 6370 7 times, leaving a remainder of 357.
Put 7 as the next digit of the answer. 
Result so far: 45147.0
Subtracting 6013 from 6370 leaves us with 357.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3570, and continue the process.

Going ahead to step 9:
3570 divided by 859 is 4 with a remainder of 134.
The number 4 becomes the next digit in our result. 
Result so far: 45147.4
If we take 3436 away from 3570, we end up with 134.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1340, and continue the process.

Going ahead to step 10:
859 goes into 1340 1 times with a remainder of 481.
Put 1 as the next digit of the answer. 
Result so far: 45147.41
If we subtract 859 from 1340, we get 481.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4810, and continue the process.

Advancing to step 11:
859 goes into 4810 5 times with a remainder of 515.
Use 5 as the next digit of our solution. 
Result so far: 45147.415
If we subtract 4295 from 4810, we get 515.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5150, and continue the process.

Going ahead to step 12:
5150 divided by 859 is 5 with a remainder of 855.
The number 5 becomes the next digit in our result. 
Result so far: 45147.4155
Subtracting 4295 from 5150 leaves us with 855.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8550, and continue the process.

The final outcome is 45147.4155, with a leftover of 0.00855.