The exact factorial of 158 is:

18532718694937347965436097530510785296823609396441045793117318330092082290386068409865488609988797000768975161352971551183449189831128213401843942132763743125584936372389347993692214687901085347282697877066265401639080576328353511479745865318400000000000000000000000000000000000000

📌 Number of digits in the exact factorial of 158! = 281.

Approximately, the value of 158! can also be written as 1.853271869 E+280.

## How to calculate 158!

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, 158! is calculated as:

158 × 157 × 156 × … × 2 × 1

Also see:

### How many digits are there in the exact value of 158!?

There are 281 digits in the exact value of 158!.

### What is the value of 158 factorial in terms of E?

The value of 158! in terms of E is 1.853271869 E+280.

### 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.