40 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.
Prime factorization of 40:
23 × 5(2 × 2 × 2 × 5)
See below for interesting mathematical facts about the number 40 from the Numbermatics database.
Names of 40
- Cardinal: 40 can be written as Forty.
- Scientific notation: 4 × 101
Factors of 40
Divisors of 40
Bases of 40
- Binary: 1010002
- Hexadecimal: 0x28
- Base-36: 14
Squares and roots of 40
Scales and comparisonsHow big is 40?
- A cube with a volume of 40 cubic inches would be around 0.3 feet tall.
Recreational maths with 40
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"Number 40 - Facts about the integer". Numbermatics.com. 2020. Web. 22 January 2020.
Numbermatics. (2020). Number 40 - Facts about the integer. Retrieved 22 January 2020, from https://numbermatics.com/n/40/
Numbermatics. 2020. "Number 40 - Facts about the integer". https://numbermatics.com/n/40/
The information we have on file for 40 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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