20878

20,878 is an even composite number composed of four prime numbers multiplied together.

What does the number 20878 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

20878 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 20878:

2 × 11 × 13 × 73

See below for interesting mathematical facts about the number 20878 from the Numbermatics database.


Names of 20878

  • Cardinal: 20878 can be written as Twenty thousand, eight hundred seventy-eight.

Scientific notation

  • Scientific notation: 2.0878 × 104

Factors of 20878

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 99

Divisors of 20878

  • Number of divisors d(n): 16
  • Complete list of divisors:
  • Sum of all divisors σ(n): 37296
  • Sum of proper divisors (its aliquot sum) s(n): 16418
  • 20878 is a deficient number, because the sum of its proper divisors (16418) is less than itself. Its deficiency is 4460

Bases of 20878

  • Binary: 1010001100011102
  • Hexadecimal: 0x518E
  • Base-36: G3Y

Squares and roots of 20878

  • 20878 squared (208782) is 435890884
  • 20878 cubed (208783) is 9100529876152
  • The square root of 20878 is 144.4922143231
  • The cube root of 20878 is 27.5357111815

Scales and comparisons

How big is 20878?
  • 20,878 seconds is equal to 5 hours, 47 minutes, 58 seconds.
  • To count from 1 to 20,878 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 20878 cubic inches would be around 2.3 feet tall.

Recreational maths with 20878

  • 20878 backwards is 87802
  • The number of decimal digits it has is: 5
  • The sum of 20878's digits is 25
  • More coming soon!

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"Number 20878 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 20878 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/20878/

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Numbermatics. 2024. "Number 20878 - Facts about the integer". https://numbermatics.com/n/20878/

The information we have on file for 20878 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 20878, math, Factors of 20878, curriculum, school, college, exams, university, Prime factorization of 20878, STEM, science, technology, engineering, physics, economics, calculator, twenty thousand, eight hundred seventy-eight.

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