20440

20,440 is an even composite number composed of four prime numbers multiplied together.

What does the number 20440 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

20440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 20440:

23 × 5 × 7 × 73

(2 × 2 × 2 × 5 × 7 × 73)

See below for interesting mathematical facts about the number 20440 from the Numbermatics database.


Names of 20440

  • Cardinal: 20440 can be written as Twenty thousand, four hundred forty.

Scientific notation

  • Scientific notation: 2.044 × 104

Factors of 20440

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 6
  • Sum of prime factors: 87

Divisors of 20440

Bases of 20440

  • Binary: 1001111110110002
  • Hexadecimal: 0x4FD8
  • Base-36: FRS

Squares and roots of 20440

  • 20440 squared (204402) is 417793600
  • 20440 cubed (204403) is 8539701184000
  • The square root of 20440 is 142.9685280053
  • The cube root of 20440 is 27.3417912883

Scales and comparisons

How big is 20440?
  • 20,440 seconds is equal to 5 hours, 40 minutes, 40 seconds.
  • To count from 1 to 20,440 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 20440 cubic inches would be around 2.3 feet tall.

Recreational maths with 20440

  • 20440 backwards is 04402
  • 20440 is a Harshad number.
  • The number of decimal digits it has is: 5
  • The sum of 20440's digits is 10
  • More coming soon!

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"Number 20440 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 20440 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/20440/

Chicago style:
Numbermatics. 2024. "Number 20440 - Facts about the integer". https://numbermatics.com/n/20440/

The information we have on file for 20440 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 20440, math, Factors of 20440, curriculum, school, college, exams, university, Prime factorization of 20440, STEM, science, technology, engineering, physics, economics, calculator, twenty thousand, four hundred forty.

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