20949

20,949 is an odd composite number composed of two prime numbers multiplied together.

What does the number 20949 look like?

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

20949 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 20949:

3 × 6983

See below for interesting mathematical facts about the number 20949 from the Numbermatics database.


Names of 20949

  • Cardinal: 20949 can be written as Twenty thousand, nine hundred forty-nine.

Scientific notation

  • Scientific notation: 2.0949 × 104

Factors of 20949

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 6986

Divisors of 20949

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 27936
  • Sum of proper divisors (its aliquot sum) s(n): 6987
  • 20949 is a deficient number, because the sum of its proper divisors (6987) is less than itself. Its deficiency is 13962

Bases of 20949

  • Binary: 1010001110101012
  • Hexadecimal: 0x51D5
  • Base-36: G5X

Squares and roots of 20949

  • 20949 squared (209492) is 438860601
  • 20949 cubed (209493) is 9193690730349
  • The square root of 20949 is 144.7376937773
  • The cube root of 20949 is 27.5668895113

Scales and comparisons

How big is 20949?
  • 20,949 seconds is equal to 5 hours, 49 minutes, 9 seconds.
  • To count from 1 to 20,949 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 20949 cubic inches would be around 2.3 feet tall.

Recreational maths with 20949

  • 20949 backwards is 94902
  • The number of decimal digits it has is: 5
  • The sum of 20949's digits is 24
  • More coming soon!

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"Number 20949 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 20949 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/20949/

Chicago style:
Numbermatics. 2024. "Number 20949 - Facts about the integer". https://numbermatics.com/n/20949/

The information we have on file for 20949 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 20949, math, Factors of 20949, curriculum, school, college, exams, university, Prime factorization of 20949, STEM, science, technology, engineering, physics, economics, calculator, twenty thousand, nine hundred forty-nine.

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