20739

20,739 is an odd composite number composed of three prime numbers multiplied together.

What does the number 20739 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

20739 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 20739:

3 × 31 × 223

See below for interesting mathematical facts about the number 20739 from the Numbermatics database.


Names of 20739

  • Cardinal: 20739 can be written as Twenty thousand, seven hundred thirty-nine.

Scientific notation

  • Scientific notation: 2.0739 × 104

Factors of 20739

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 257

Divisors of 20739

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 28672
  • Sum of proper divisors (its aliquot sum) s(n): 7933
  • 20739 is a deficient number, because the sum of its proper divisors (7933) is less than itself. Its deficiency is 12806

Bases of 20739

  • Binary: 1010001000000112
  • Hexadecimal: 0x5103
  • Base-36: G03

Squares and roots of 20739

  • 20739 squared (207392) is 430106121
  • 20739 cubed (207393) is 8919970843419
  • The square root of 20739 is 144.0104162899
  • The cube root of 20739 is 27.4744666581

Scales and comparisons

How big is 20739?
  • 20,739 seconds is equal to 5 hours, 45 minutes, 39 seconds.
  • To count from 1 to 20,739 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 20739 cubic inches would be around 2.3 feet tall.

Recreational maths with 20739

  • 20739 backwards is 93702
  • The number of decimal digits it has is: 5
  • The sum of 20739's digits is 21
  • More coming soon!

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"Number 20739 - Facts about the integer". Numbermatics.com. 2024. Web. 20 April 2024.

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Numbermatics. (2024). Number 20739 - Facts about the integer. Retrieved 20 April 2024, from https://numbermatics.com/n/20739/

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Numbermatics. 2024. "Number 20739 - Facts about the integer". https://numbermatics.com/n/20739/

The information we have on file for 20739 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 20739, math, Factors of 20739, curriculum, school, college, exams, university, Prime factorization of 20739, STEM, science, technology, engineering, physics, economics, calculator, twenty thousand, seven hundred thirty-nine.

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