20009

20,009 is an odd composite number composed of three prime numbers multiplied together.

What does the number 20009 look like?

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

20009 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 20009:

11 × 17 × 107

See below for interesting mathematical facts about the number 20009 from the Numbermatics database.


Names of 20009

  • Cardinal: 20009 can be written as Twenty thousand and nine.

Scientific notation

  • Scientific notation: 2.0009 × 104

Factors of 20009

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 135

Divisors of 20009

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 23328
  • Sum of proper divisors (its aliquot sum) s(n): 3319
  • 20009 is a deficient number, because the sum of its proper divisors (3319) is less than itself. Its deficiency is 16690

Bases of 20009

  • Binary: 1001110001010012
  • Hexadecimal: 0x4E29
  • Base-36: FFT

Squares and roots of 20009

  • 20009 squared (200092) is 400360081
  • 20009 cubed (200093) is 8010804860729
  • The square root of 20009 is 141.4531724635
  • The cube root of 20009 is 27.1482471817

Scales and comparisons

How big is 20009?
  • 20,009 seconds is equal to 5 hours, 33 minutes, 29 seconds.
  • To count from 1 to 20,009 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 20009 cubic inches would be around 2.3 feet tall.

Recreational maths with 20009

  • 20009 backwards is 90002
  • 20009 is a Harshad number.
  • The number of decimal digits it has is: 5
  • The sum of 20009's digits is 11
  • More coming soon!

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"Number 20009 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 20009 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/20009/

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The information we have on file for 20009 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 20009, math, Factors of 20009, curriculum, school, college, exams, university, Prime factorization of 20009, STEM, science, technology, engineering, physics, economics, calculator, twenty thousand and nine.

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