21840801

21,840,801 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21840801 look like?

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

21840801 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 21840801:

3 × 17 × 428251

See below for interesting mathematical facts about the number 21840801 from the Numbermatics database.


Names of 21840801

  • Cardinal: 21840801 can be written as Twenty-one million, eight hundred forty thousand, eight hundred one.

Scientific notation

  • Scientific notation: 2.1840801 × 107

Factors of 21840801

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 428271

Divisors of 21840801

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 30834144
  • Sum of proper divisors (its aliquot sum) s(n): 8993343
  • 21840801 is a deficient number, because the sum of its proper divisors (8993343) is less than itself. Its deficiency is 12847458

Bases of 21840801

  • Binary: 10100110101000011101000012
  • Hexadecimal: 0x14D43A1
  • Base-36: D04GX

Squares and roots of 21840801

  • 21840801 squared (218408012) is 477020588321601
  • 21840801 cubed (218408013) is 10418511742435011442401
  • The square root of 21840801 is 4673.4142765221
  • The cube root of 21840801 is 279.5264145763

Scales and comparisons

How big is 21840801?
  • 21,840,801 seconds is equal to 36 weeks, 18 hours, 53 minutes, 21 seconds.
  • To count from 1 to 21,840,801 would take you about two weeks!

    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 21840801 cubic inches would be around 23.3 feet tall.

Recreational maths with 21840801

  • 21840801 backwards is 10804812
  • The number of decimal digits it has is: 8
  • The sum of 21840801's digits is 24
  • More coming soon!

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"Number 21840801 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 21840801 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/21840801/

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Numbermatics. 2024. "Number 21840801 - Facts about the integer". https://numbermatics.com/n/21840801/

The information we have on file for 21840801 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!

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