20998

20,998 is an even composite number composed of two prime numbers multiplied together.

What does the number 20998 look like?

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

20998 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 20998:

2 × 10499

See below for interesting mathematical facts about the number 20998 from the Numbermatics database.


Names of 20998

  • Cardinal: 20998 can be written as Twenty thousand, nine hundred ninety-eight.

Scientific notation

  • Scientific notation: 2.0998 × 104

Factors of 20998

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 10501

Divisors of 20998

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 31500
  • Sum of proper divisors (its aliquot sum) s(n): 10502
  • 20998 is a deficient number, because the sum of its proper divisors (10502) is less than itself. Its deficiency is 10496

Bases of 20998

  • Binary: 1010010000001102
  • Hexadecimal: 0x5206
  • Base-36: G7A

Squares and roots of 20998

  • 20998 squared (209982) is 440916004
  • 20998 cubed (209983) is 9258354251992
  • The square root of 20998 is 144.9068666419
  • The cube root of 20998 is 27.5883658871

Scales and comparisons

How big is 20998?
  • 20,998 seconds is equal to 5 hours, 49 minutes, 58 seconds.
  • To count from 1 to 20,998 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 20998 cubic inches would be around 2.3 feet tall.

Recreational maths with 20998

  • 20998 backwards is 89902
  • The number of decimal digits it has is: 5
  • The sum of 20998's digits is 28
  • More coming soon!

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"Number 20998 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 20998 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/20998/

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Numbermatics. 2024. "Number 20998 - Facts about the integer". https://numbermatics.com/n/20998/

The information we have on file for 20998 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 20998, math, Factors of 20998, curriculum, school, college, exams, university, Prime factorization of 20998, STEM, science, technology, engineering, physics, economics, calculator, twenty thousand, nine hundred ninety-eight.

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