We divide 15901869 by 200
We want to figure out the number of times 15901869 can be divided by 200.

Let's proceed to step 1:
If we divide 1 by 200, we get 0 and a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Fetch the next digit (5) from the dividend, attach it to 1 and continue: 15 / 200

Moving on to step 2:
The number 200 fits into 15 0 times, leaving a remainder of 15.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 15 to get 15.
Include the next digit (9) from the dividend after 15, then repeat: 159 / 200

Advancing to step 3:
159 divided by 200 is 0 with a remainder of 159.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 159 to get 159.
Include the next digit (0) from the dividend after 159, then repeat: 1590 / 200

Let's proceed to step 4:
200 goes into 1590 7 times with a remainder of 190.
The next digit of our result is 7. 
Result so far: 7.0
Subtracting 1400 from 1590 leaves us with 190.
Include the next digit (1) from the dividend after 190, then repeat: 1901 / 200

Step 5:
200 can be fit into 1901 9 times, resulting in a remainder of 101.
Put 9 as the next digit of the answer. 
Result so far: 79.0
Subtracting 1800 from 1901 leaves us with 101.
Fetch the next digit (8) from the dividend, attach it to 101 and continue: 1018 / 200

Let's proceed to step 6:
1018 divided by 200 is 5 with a remainder of 18.
The next digit of our result is 5. 
Result so far: 795.0
Subtracting 1000 from 1018 leaves us with 18.
Include the next digit (6) from the dividend after 18, then repeat: 186 / 200

Advancing to step 7:
186 divided by 200 is 0 with a remainder of 186.
The number 0 becomes the next digit in our result. 
Result so far: 7950.0
Subtract 0 from 186 to get 186.
Fetch the next digit (9) from the dividend, attach it to 186 and continue: 1869 / 200

Let's proceed to step 8:
When dividing 1869 by 200, we get 9 with a remainder of 69.
The number 9 becomes the next digit in our result. 
Result so far: 79509.0
Subtract 1800 from 1869 to get 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Advancing to step 9:
If we divide 690 by 200, we get 3 and a remainder of 90.
The next digit of our result is 3. 
Result so far: 79509.3
Subtracting 600 from 690 leaves us with 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 900, and continue the process.

Let's proceed to step 10:
When dividing 900 by 200, we get 4 with a remainder of 100.
Use 4 as the next digit of our solution. 
Result so far: 79509.34
Subtracting 800 from 900 leaves us with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Moving on to step 11:
1000 divided by 200 is 5 with a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 79509.345
The remainder is 0 after subtracting 1000 from 1000.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 12:
The number 200 fits into 0 0 times, leaving a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 79509.345
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 13:
200 goes into 0 0 times with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 79509.345
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The quotient of the division is 79509.345, and the remainder is 0.0.