20,401 is an odd composite number composed of two prime numbers multiplied together.

What does the number 20401 look like?

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

20401 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 20401:

23 × 887

See below for interesting mathematical facts about the number 20401 from the Numbermatics database.

Names of 20401

  • Cardinal: 20401 can be written as Twenty thousand, four hundred one.

Scientific notation

  • Scientific notation: 2.0401 × 104

Factors of 20401

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 910

Divisors of 20401

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 21312
  • Sum of proper divisors (its aliquot sum) s(n): 911
  • 20401 is a deficient number, because the sum of its proper divisors (911) is less than itself. Its deficiency is 19490

Bases of 20401

  • Binary: 1001111101100012
  • Hexadecimal: 0x4FB1
  • Base-36: FQP

Squares and roots of 20401

  • 20401 squared (204012) is 416200801
  • 20401 cubed (204013) is 8490912541201
  • The square root of 20401 is 142.8320692281
  • The cube root of 20401 is 27.3243906233

Scales and comparisons

How big is 20401?
  • 20,401 seconds is equal to 5 hours, 40 minutes, 1 second.
  • To count from 1 to 20,401 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 20401 cubic inches would be around 2.3 feet tall.

Recreational maths with 20401

  • 20401 backwards is 10402
  • The number of decimal digits it has is: 5
  • The sum of 20401's digits is 7
  • More coming soon!

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"Number 20401 - Facts about the integer". Numbermatics.com. 2023. Web. 3 June 2023.

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Numbermatics. (2023). Number 20401 - Facts about the integer. Retrieved 3 June 2023, from https://numbermatics.com/n/20401/

Chicago style:
Numbermatics. 2023. "Number 20401 - Facts about the integer". https://numbermatics.com/n/20401/

The information we have on file for 20401 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 20401, math, Factors of 20401, curriculum, school, college, exams, university, Prime factorization of 20401, STEM, science, technology, engineering, physics, economics, calculator, twenty thousand, four hundred one.

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