30720

30,720 is an even composite number composed of three prime numbers multiplied together.

What does the number 30720 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 48 divisors.

30720 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 30720:

211 × 3 × 5

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5)

See below for interesting mathematical facts about the number 30720 from the Numbermatics database.


Names of 30720

  • Cardinal: 30720 can be written as Thirty thousand, seven hundred twenty.

Scientific notation

  • Scientific notation: 3.072 × 104

Factors of 30720

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 13
  • Sum of prime factors: 10

Divisors of 30720

Bases of 30720

  • Binary: 1111000000000002
  • Hexadecimal: 0x7800
  • Base-36: NPC

Squares and roots of 30720

  • 30720 squared (307202) is 943718400
  • 30720 cubed (307203) is 28991029248000
  • The square root of 30720 is 175.2712184017
  • The cube root of 30720 is 31.3189411293

Scales and comparisons

How big is 30720?
  • 30,720 seconds is equal to 8 hours, 32 minutes.
  • To count from 1 to 30,720 would take you about eight 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 30720 cubic inches would be around 2.6 feet tall.

Recreational maths with 30720

  • 30720 backwards is 02703
  • 30720 is a Harshad number.
  • The number of decimal digits it has is: 5
  • The sum of 30720's digits is 12
  • More coming soon!

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"Number 30720 - Facts about the integer". Numbermatics.com. 2024. Web. 19 March 2024.

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Numbermatics. (2024). Number 30720 - Facts about the integer. Retrieved 19 March 2024, from https://numbermatics.com/n/30720/

Chicago style:
Numbermatics. 2024. "Number 30720 - Facts about the integer". https://numbermatics.com/n/30720/

The information we have on file for 30720 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 30720, math, Factors of 30720, curriculum, school, college, exams, university, Prime factorization of 30720, STEM, science, technology, engineering, physics, economics, calculator, thirty thousand, seven hundred twenty.

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