21064

21,064 is an even composite number composed of two prime numbers multiplied together.

What does the number 21064 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

21064 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 21064:

23 × 2633

(2 × 2 × 2 × 2633)

See below for interesting mathematical facts about the number 21064 from the Numbermatics database.


Names of 21064

  • Cardinal: 21064 can be written as Twenty-one thousand and sixty-four.

Scientific notation

  • Scientific notation: 2.1064 × 104

Factors of 21064

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 2635

Divisors of 21064

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 39510
  • Sum of proper divisors (its aliquot sum) s(n): 18446
  • 21064 is a deficient number, because the sum of its proper divisors (18446) is less than itself. Its deficiency is 2618

Bases of 21064

  • Binary: 1010010010010002
  • Hexadecimal: 0x5248
  • Base-36: G94

Squares and roots of 21064

  • 21064 squared (210642) is 443692096
  • 21064 cubed (210643) is 9345930310144
  • The square root of 21064 is 145.1344204523
  • The cube root of 21064 is 27.6172405061

Scales and comparisons

How big is 21064?
  • 21,064 seconds is equal to 5 hours, 51 minutes, 4 seconds.
  • To count from 1 to 21,064 would take you about five 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 21064 cubic inches would be around 2.3 feet tall.

Recreational maths with 21064

  • 21064 backwards is 46012
  • The number of decimal digits it has is: 5
  • The sum of 21064's digits is 13
  • More coming soon!

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"Number 21064 - Facts about the integer". Numbermatics.com. 2024. Web. 18 May 2024.

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Numbermatics. (2024). Number 21064 - Facts about the integer. Retrieved 18 May 2024, from https://numbermatics.com/n/21064/

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Numbermatics. 2024. "Number 21064 - Facts about the integer". https://numbermatics.com/n/21064/

The information we have on file for 21064 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 21064, math, Factors of 21064, curriculum, school, college, exams, university, Prime factorization of 21064, STEM, science, technology, engineering, physics, economics, calculator, twenty-one thousand and sixty-four.

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