20402

20,402 is an even composite number composed of two prime numbers multiplied together.

What does the number 20402 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

20402 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 20402:

2 × 1012

(2 × 101 × 101)

See below for interesting mathematical facts about the number 20402 from the Numbermatics database.


Names of 20402

  • Cardinal: 20402 can be written as Twenty thousand, four hundred two.

Scientific notation

  • Scientific notation: 2.0402 × 104

Factors of 20402

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 103

Divisors of 20402

  • Number of divisors d(n): 6
  • Complete list of divisors:
  • Sum of all divisors σ(n): 30909
  • Sum of proper divisors (its aliquot sum) s(n): 10507
  • 20402 is a deficient number, because the sum of its proper divisors (10507) is less than itself. Its deficiency is 9895

Bases of 20402

  • Binary: 1001111101100102
  • Hexadecimal: 0x4FB2
  • Base-36: FQQ

Squares and roots of 20402

  • 20402 squared (204022) is 416241604
  • 20402 cubed (204023) is 8492161204808
  • The square root of 20402 is 142.8355697997
  • The cube root of 20402 is 27.3248370711

Scales and comparisons

How big is 20402?
  • 20,402 seconds is equal to 5 hours, 40 minutes, 2 seconds.
  • To count from 1 to 20,402 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 20402 cubic inches would be around 2.3 feet tall.

Recreational maths with 20402

  • 20402 is the same when its digits are reversed! That makes it a palindromic number.
  • The number of decimal digits it has is: 5
  • The sum of 20402's digits is 8
  • More coming soon!

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"Number 20402 - Facts about the integer". Numbermatics.com. 2022. Web. 1 July 2022.

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Numbermatics. (2022). Number 20402 - Facts about the integer. Retrieved 1 July 2022, from https://numbermatics.com/n/20402/

Chicago style:
Numbermatics. 2022. "Number 20402 - Facts about the integer". https://numbermatics.com/n/20402/

The information we have on file for 20402 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 20402, math, Factors of 20402, curriculum, school, college, exams, university, Prime factorization of 20402, STEM, science, technology, engineering, physics, economics, calculator, twenty thousand, four hundred two.

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