The exact factorial of 189 is:

50949066711869732400649192182185953712727164528751965056583473262863708544343306356002477236492316681182538739610484120611376826228682073923818703706597906776016830438287668195034454414647375475968919974197648576948805565475117361964101925978495290150681191310309203359084653193781496463183427232430292992000000000000000000000000000000000000000000000

📌 Number of digits in the exact factorial of 189! = 350.

Approximately, the value of 189! can also be written as 5.094906671 E+349.

## How to calculate 189!

The formula for finding the factorial of a number is:

n! = n × (n-1) × (n-2) × … × 2 × 1

The same formula can also be written in terms of PI product notation as: So, by definition, 189! is calculated as:

189 × 188 × 187 × … × 2 × 1

Also see:

### How many digits are there in the exact value of 189!?

There are 350 digits in the exact value of 189!.

### What is the value of 189 factorial in terms of E?

The value of 189! in terms of E is 5.094906671 E+349.

### What are the uses of factorials?

According to Wikipedia:

In mathematical analysis, factorials are used in power series for the exponential function and other functions, and they also have applications in algebra, number theory, probability theory, and computer science.