83991

83,991 is an odd composite number composed of two prime numbers multiplied together.

What does the number 83991 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

83991 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 83991:

3 × 27997

See below for interesting mathematical facts about the number 83991 from the Numbermatics database.


Names of 83991

  • Cardinal: 83991 can be written as Eighty-three thousand, nine hundred ninety-one.

Scientific notation

  • Scientific notation: 8.3991 × 104

Factors of 83991

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 28000

Divisors of 83991

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 111992
  • Sum of proper divisors (its aliquot sum) s(n): 28001
  • 83991 is a deficient number, because the sum of its proper divisors (28001) is less than itself. Its deficiency is 55990

Bases of 83991

  • Binary: 101001000000101112
  • Hexadecimal: 0x14817
  • Base-36: 1ST3

Squares and roots of 83991

  • 83991 squared (839912) is 7054488081
  • 83991 cubed (839913) is 592513508411271
  • The square root of 83991 is 289.8120080327
  • The cube root of 83991 is 43.7936272291

Scales and comparisons

How big is 83991?
  • 83,991 seconds is equal to 23 hours, 19 minutes, 51 seconds.
  • To count from 1 to 83,991 would take you about twenty-three hours.

    This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

  • A cube with a volume of 83991 cubic inches would be around 3.6 feet tall.

Recreational maths with 83991

  • 83991 backwards is 19938
  • The number of decimal digits it has is: 5
  • The sum of 83991's digits is 30
  • More coming soon!

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"Number 83991 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 83991 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/83991/

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Numbermatics. 2024. "Number 83991 - Facts about the integer". https://numbermatics.com/n/83991/

The information we have on file for 83991 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!

Keywords: Divisors of 83991, math, Factors of 83991, curriculum, school, college, exams, university, Prime factorization of 83991, STEM, science, technology, engineering, physics, economics, calculator, eighty-three thousand, nine hundred ninety-one.

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