21704

21,704 is an even composite number composed of two prime numbers multiplied together.

What does the number 21704 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

21704 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 21704:

23 × 2713

(2 × 2 × 2 × 2713)

See below for interesting mathematical facts about the number 21704 from the Numbermatics database.


Names of 21704

  • Cardinal: 21704 can be written as Twenty-one thousand, seven hundred four.

Scientific notation

  • Scientific notation: 2.1704 × 104

Factors of 21704

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 2715

Divisors of 21704

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 40710
  • Sum of proper divisors (its aliquot sum) s(n): 19006
  • 21704 is a deficient number, because the sum of its proper divisors (19006) is less than itself. Its deficiency is 2698

Bases of 21704

  • Binary: 1010100110010002
  • Hexadecimal: 0x54C8
  • Base-36: GQW

Squares and roots of 21704

  • 21704 squared (217042) is 471063616
  • 21704 cubed (217043) is 10223964721664
  • The square root of 21704 is 147.3227748857
  • The cube root of 21704 is 27.8941582387

Scales and comparisons

How big is 21704?
  • 21,704 seconds is equal to 6 hours, 1 minute, 44 seconds.
  • To count from 1 to 21,704 would take you about six 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 21704 cubic inches would be around 2.3 feet tall.

Recreational maths with 21704

  • 21704 backwards is 40712
  • The number of decimal digits it has is: 5
  • The sum of 21704's digits is 14
  • More coming soon!

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"Number 21704 - Facts about the integer". Numbermatics.com. 2024. Web. 28 March 2024.

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Numbermatics. (2024). Number 21704 - Facts about the integer. Retrieved 28 March 2024, from https://numbermatics.com/n/21704/

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Numbermatics. 2024. "Number 21704 - Facts about the integer". https://numbermatics.com/n/21704/

The information we have on file for 21704 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 21704, math, Factors of 21704, curriculum, school, college, exams, university, Prime factorization of 21704, STEM, science, technology, engineering, physics, economics, calculator, twenty-one thousand, seven hundred four.

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