21001343

21,001,343 is an odd composite number composed of two prime numbers multiplied together.

What does the number 21001343 look like?

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

21001343 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 21001343:

11 × 1909213

See below for interesting mathematical facts about the number 21001343 from the Numbermatics database.


Names of 21001343

  • Cardinal: 21001343 can be written as Twenty-one million, one thousand, three hundred forty-three.

Scientific notation

  • Scientific notation: 2.1001343 × 107

Factors of 21001343

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 1909224

Divisors of 21001343

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 22910568
  • Sum of proper divisors (its aliquot sum) s(n): 1909225
  • 21001343 is a deficient number, because the sum of its proper divisors (1909225) is less than itself. Its deficiency is 19092118

Bases of 21001343

  • Binary: 10100000001110100011111112
  • Hexadecimal: 0x140747F
  • Base-36: CI4QN

Squares and roots of 21001343

  • 21001343 squared (210013432) is 441056407803649
  • 21001343 cubed (210013433) is 9262776902632309300607
  • The square root of 21001343 is 4582.7222259263
  • The cube root of 21001343 is 275.8982988385

Scales and comparisons

How big is 21001343?
  • 21,001,343 seconds is equal to 34 weeks, 5 days, 1 hour, 42 minutes, 23 seconds.
  • To count from 1 to 21,001,343 would take you about fourteen 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 21001343 cubic inches would be around 23 feet tall.

Recreational maths with 21001343

  • 21001343 backwards is 34310012
  • The number of decimal digits it has is: 8
  • The sum of 21001343's digits is 14
  • More coming soon!

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"Number 21001343 - Facts about the integer". Numbermatics.com. 2024. Web. 13 May 2024.

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Numbermatics. (2024). Number 21001343 - Facts about the integer. Retrieved 13 May 2024, from https://numbermatics.com/n/21001343/

Chicago style:
Numbermatics. 2024. "Number 21001343 - Facts about the integer". https://numbermatics.com/n/21001343/

The information we have on file for 21001343 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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