Let's divide 39214452 by 210
The aim is to understand the frequency of 210 in 39214452.

On to step 1:
210 can be fit into 3 0 times, resulting in a remainder of 3.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 3 to get 3.
Grab the next digit (9) from the dividend, add it to 3, then carry on: 39 / 210

On to step 2:
210 can be fit into 39 0 times, resulting in a remainder of 39.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 39 to get 39.
Fetch the next digit (2) from the dividend, attach it to 39 and continue: 392 / 210

Advancing to step 3:
210 goes into 392 1 times with a remainder of 182.
Put 1 as the next digit of the answer. 
Result so far: 1.0
The remainder is 182 after subtracting 210 from 392.
Include the next digit (1) from the dividend after 182, then repeat: 1821 / 210

Going ahead to step 4:
When dividing 1821 by 210, we get 8 with a remainder of 141.
The number 8 becomes the next digit in our result. 
Result so far: 18.0
Deduct 1680 from 1821 and we're left with 141.
Fetch the next digit (4) from the dividend, attach it to 141 and continue: 1414 / 210

On to step 5:
1414 divided by 210 is 6 with a remainder of 154.
Record the quotient 6 as the next digit in the result. 
Result so far: 186.0
The remainder is 154 after subtracting 1260 from 1414.
Take the next digit (4) from the dividend and append it to 154, then repeat: 1544 / 210

Step 6:
The number 210 fits into 1544 7 times, leaving a remainder of 74.
Write down 7 as next digit of the result. 
Result so far: 1867.0
If we subtract 1470 from 1544, we get 74.
Fetch the next digit (5) from the dividend, attach it to 74 and continue: 745 / 210

Let's proceed to step 7:
210 can be fit into 745 3 times, resulting in a remainder of 115.
The number 3 becomes the next digit in our result. 
Result so far: 18673.0
If we take 630 away from 745, we end up with 115.
Include the next digit (2) from the dividend after 115, then repeat: 1152 / 210

Advancing to step 8:
210 can be fit into 1152 5 times, resulting in a remainder of 102.
Write down 5 as next digit of the result. 
Result so far: 186735.0
Deduct 1050 from 1152 and we're left with 102.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1020, and continue the process.

Moving on to step 9:
The number 210 fits into 1020 4 times, leaving a remainder of 180.
Put 4 as the next digit of the answer. 
Result so far: 186735.4
The remainder is 180 after subtracting 840 from 1020.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1800, and continue the process.

Let's proceed to step 10:
The number 210 fits into 1800 8 times, leaving a remainder of 120.
Record the quotient 8 as the next digit in the result. 
Result so far: 186735.48
If we take 1680 away from 1800, we end up with 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Moving on to step 11:
210 goes into 1200 5 times with a remainder of 150.
The next digit of our result is 5. 
Result so far: 186735.485
Subtract 1050 from 1200 to get 150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1500, and continue the process.

Advancing to step 12:
The number 210 fits into 1500 7 times, leaving a remainder of 30.
The number 7 becomes the next digit in our result. 
Result so far: 186735.4857
Deduct 1470 from 1500 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

On to step 13:
210 can be fit into 300 1 times, resulting in a remainder of 90.
The number 1 becomes the next digit in our result. 
Result so far: 186735.48571
If we subtract 210 from 300, we get 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 900, and continue the process.

Going ahead to step 14:
The number 210 fits into 900 4 times, leaving a remainder of 60.
The next digit of our result is 4. 
Result so far: 186735.485714
If we subtract 840 from 900, we get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Advancing to step 15:
600 divided by 210 is 2 with a remainder of 180.
Write down 2 as next digit of the result. 
Result so far: 186735.4857142
If we take 420 away from 600, we end up with 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1800, and continue the process.

Step 16:
210 goes into 1800 8 times with a remainder of 120.
The number 8 becomes the next digit in our result. 
Result so far: 186735.48571428
If we subtract 1680 from 1800, we get 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Our division results in 186735.48571428 with a remaining 1.2e-07.