13021

13,021 is an odd composite number composed of two prime numbers multiplied together.

What does the number 13021 look like?

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

13021 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 13021:

29 × 449

See below for interesting mathematical facts about the number 13021 from the Numbermatics database.


Names of 13021

  • Cardinal: 13021 can be written as Thirteen thousand and twenty-one.

Scientific notation

  • Scientific notation: 1.3021 × 104

Factors of 13021

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 478

Divisors of 13021

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 13500
  • Sum of proper divisors (its aliquot sum) s(n): 479
  • 13021 is a deficient number, because the sum of its proper divisors (479) is less than itself. Its deficiency is 12542

Bases of 13021

  • Binary: 110010110111012
  • Hexadecimal: 0x32DD
  • Base-36: A1P

Squares and roots of 13021

  • 13021 squared (130212) is 169546441
  • 13021 cubed (130213) is 2207664208261
  • The square root of 13021 is 114.1095964413
  • The cube root of 13021 is 23.5260010987

Scales and comparisons

How big is 13021?
  • 13,021 seconds is equal to 3 hours, 37 minutes, 1 second.
  • To count from 1 to 13,021 would take you about 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 13021 cubic inches would be around 2 feet tall.

Recreational maths with 13021

  • 13021 backwards is 12031
  • The number of decimal digits it has is: 5
  • The sum of 13021's digits is 7
  • More coming soon!

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"Number 13021 - Facts about the integer". Numbermatics.com. 2024. Web. 2 March 2024.

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Numbermatics. (2024). Number 13021 - Facts about the integer. Retrieved 2 March 2024, from https://numbermatics.com/n/13021/

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Numbermatics. 2024. "Number 13021 - Facts about the integer". https://numbermatics.com/n/13021/

The information we have on file for 13021 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 13021, math, Factors of 13021, curriculum, school, college, exams, university, Prime factorization of 13021, STEM, science, technology, engineering, physics, economics, calculator, thirteen thousand and twenty-one.

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