The exact factorial of 155 is:
📌 Number of digits in the exact factorial of 155! = 274.
Approximately, the value of 155! can also be written as 4.789142901 E+273.
How to calculate 155!
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, 155! is calculated as:
155 × 154 × 153 × … × 2 × 1
Frequently asked questions
Here are some frequently asked questions about factorial of 155:
How many digits are there in the exact value of 155!?
There are 274 digits in the exact value of 155!.
What is the value of 155 factorial in terms of E?
The value of 155! in terms of E is 4.789142901 E+273.
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.