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What is factorial? Definition of factorial. The factorial is a quantity defined for any integer n greater than or equal to 0. The factorial is the product of all integers less than or equal to n but greater than or equal to 1. The factorial value of 0 is, by definition, equal to 1. For negative integers, factorials are not defined.
- Calculate 120 factorial.
The number of trailing zeros in 120! is 28. The number of...
- Calculate 120 factorial.
Oct 7, 2023 · Calculate the factorial n! of any integer, up to 5 digits long, using this online tool. Learn the definition, formula and examples of factorials, and how to arrange objects in sequence.
Learn how to calculate the factorial of 120, which is the product of all positive integers from 1 to 120. See the result, the number of digits, the number of zeros, and some examples of factorials of other numbers.
You can use our Factorial Calculator to calculate the factorial of any real number between 0 and 5,000. To use this calculator just enter a positive integer number less than or equal to 5000. After you click "Calculate Factorial" the result will be displayed in the output box. Factorial Calculator (n!) Number (n):
Example: 5 factorial, that is, 5! can be written as: 5! = 5 × 4 × 3 × 2 × 1 = 120. Observe the numbers and their factorial values given in the following table. To find the factorial of a number, multiply the number with the factorial value of the previous number.
The number of trailing zeros in 120! is 28. The number of digits in 120 factorial is 199. The factorial of 120 is calculated, through its definition, this way: 120! = 120 • 119 • 118 • 117 • 116 ... 3 • 2 • 1
The factorial function (symbol: !) ... To work out 6!, multiply 120 by 6 to get 720; To work out 7!, multiply 720 by 7 to get 5040; And so on; Example: 9! equals ...
