Evaluate the following expression
20!
Factorial Definition
Product of positive integers ≤ n.
n! = n x (n - 1) x (n - 2) x ... x 2 x 1
Factorial Expansions are as follows:
20! = 20 x 19 x 18 x 17 x 16 x 15 x 14 x 13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
20! = 2432902008176640000
Simplify factorial expansions:
20! = 2432902008176640000
Excel or Google Sheets formula:
Excel or Google Sheets formula:=FACT(20)Keep Practicing
What is the Answer?
2432902008176640000
How does the Factorials Calculator work?
Free Factorials Calculator - Calculates the following factorial items:
* A factorial of one number such as n!
* A factorial of a numerator divided by a factorial of a denominator such as n!m!/a!b!
* Double Factorials such as n!!
* Stirlings Approximation for n!
This calculator has 1 input.
* A factorial of one number such as n!
* A factorial of a numerator divided by a factorial of a denominator such as n!m!/a!b!
* Double Factorials such as n!!
* Stirlings Approximation for n!
This calculator has 1 input.
What 1 formula is used for the Factorials Calculator?
What 2 concepts are covered in the Factorials Calculator?
- factorial
- The product of an integer and all the integers below it
- stirlings approximation
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