1720

1,720 is an even composite number composed of three prime numbers multiplied together.

What does the number 1720 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

1720 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 1720:

23 × 5 × 43

(2 × 2 × 2 × 5 × 43)

See below for interesting mathematical facts about the number 1720 from the Numbermatics database.


Names of 1720

  • Cardinal: 1720 can be written as One thousand, seven hundred twenty.

Scientific notation

  • Scientific notation: 1.72 × 103

Factors of 1720

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 50

Divisors of 1720

  • Number of divisors d(n): 16
  • Complete list of divisors:
  • Sum of all divisors σ(n): 3960
  • Sum of proper divisors (its aliquot sum) s(n): 2240
  • 1720 is an abundant number, because the sum of its proper divisors (2240) is greater than itself. Its abundance is 520

Bases of 1720

  • Binary: 110101110002
  • Hexadecimal: 0x6B8
  • Base-36: 1BS

Squares and roots of 1720

  • 1720 squared (17202) is 2958400
  • 1720 cubed (17203) is 5088448000
  • The square root of 1720 is 41.4728827067
  • The cube root of 1720 is 11.9814528297

Scales and comparisons

How big is 1720?
  • 1,720 seconds is equal to 28 minutes, 40 seconds.
  • To count from 1 to 1,720 would take you about twenty-eight minutes.

    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 1720 cubic inches would be around 1 feet tall.

Recreational maths with 1720

  • 1720 backwards is 0271
  • 1720 is a Harshad number.
  • The number of decimal digits it has is: 4
  • The sum of 1720's digits is 10
  • More coming soon!

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"Number 1720 - Facts about the integer". Numbermatics.com. 2024. Web. 23 May 2024.

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Numbermatics. (2024). Number 1720 - Facts about the integer. Retrieved 23 May 2024, from https://numbermatics.com/n/1720/

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The information we have on file for 1720 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 1720, math, Factors of 1720, curriculum, school, college, exams, university, Prime factorization of 1720, STEM, science, technology, engineering, physics, economics, calculator, one thousand, seven hundred twenty.

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