5721

5,721 is an odd composite number composed of two prime numbers multiplied together.

What does the number 5721 look like?

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

5721 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 5721:

3 × 1907

See below for interesting mathematical facts about the number 5721 from the Numbermatics database.


Names of 5721

  • Cardinal: 5721 can be written as Five thousand, seven hundred twenty-one.

Scientific notation

  • Scientific notation: 5.721 × 103

Factors of 5721

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 1910

Divisors of 5721

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 7632
  • Sum of proper divisors (its aliquot sum) s(n): 1911
  • 5721 is a deficient number, because the sum of its proper divisors (1911) is less than itself. Its deficiency is 3810

Bases of 5721

  • Binary: 10110010110012
  • Hexadecimal: 0x1659
  • Base-36: 4EX

Squares and roots of 5721

  • 5721 squared (57212) is 32729841
  • 5721 cubed (57213) is 187247420361
  • The square root of 5721 is 75.6372923895
  • The cube root of 5721 is 17.8850702055

Scales and comparisons

How big is 5721?
  • 5,721 seconds is equal to 1 hour, 35 minutes, 21 seconds.
  • To count from 1 to 5,721 would take you about thirty-five minutes.

    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 5721 cubic inches would be around 1.5 feet tall.

Recreational maths with 5721

  • 5721 backwards is 1275
  • The number of decimal digits it has is: 4
  • The sum of 5721's digits is 15
  • More coming soon!

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"Number 5721 - Facts about the integer". Numbermatics.com. 2024. Web. 24 June 2024.

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Numbermatics. (2024). Number 5721 - Facts about the integer. Retrieved 24 June 2024, from https://numbermatics.com/n/5721/

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The information we have on file for 5721 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 5721, math, Factors of 5721, curriculum, school, college, exams, university, Prime factorization of 5721, STEM, science, technology, engineering, physics, economics, calculator, five thousand, seven hundred twenty-one.

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