72840

72,840 is an even composite number composed of four prime numbers multiplied together.

What does the number 72840 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

72840 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 72840:

23 × 3 × 5 × 607

(2 × 2 × 2 × 3 × 5 × 607)

See below for interesting mathematical facts about the number 72840 from the Numbermatics database.


Names of 72840

  • Cardinal: 72840 can be written as Seventy-two thousand, eight hundred forty.

Scientific notation

  • Scientific notation: 7.284 × 104

Factors of 72840

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 6
  • Sum of prime factors: 617

Divisors of 72840

Bases of 72840

  • Binary: 100011100100010002
  • Hexadecimal: 0x11C88
  • Base-36: 1K7C

Squares and roots of 72840

  • 72840 squared (728402) is 5305665600
  • 72840 cubed (728403) is 386464682304000
  • The square root of 72840 is 269.8888660171
  • The cube root of 72840 is 41.7628356437

Scales and comparisons

How big is 72840?
  • 72,840 seconds is equal to 20 hours, 14 minutes.
  • To count from 1 to 72,840 would take you about twenty 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 72840 cubic inches would be around 3.5 feet tall.

Recreational maths with 72840

  • 72840 backwards is 04827
  • The number of decimal digits it has is: 5
  • The sum of 72840's digits is 21
  • More coming soon!

Copy this link to share with anyone:


Share this page on social media:

Link to this page

HTML: To link to this page, just copy and paste the link below into your blog, web page or email.

BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:

Cite this page

MLA style:
"Number 72840 - Facts about the integer". Numbermatics.com. 2024. Web. 28 March 2024.

APA style:
Numbermatics. (2024). Number 72840 - Facts about the integer. Retrieved 28 March 2024, from https://numbermatics.com/n/72840/

Chicago style:
Numbermatics. 2024. "Number 72840 - Facts about the integer". https://numbermatics.com/n/72840/

The information we have on file for 72840 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 72840, math, Factors of 72840, curriculum, school, college, exams, university, Prime factorization of 72840, STEM, science, technology, engineering, physics, economics, calculator, seventy-two thousand, eight hundred forty.

Oh no. Javascript is switched off in your browser.
Some bits of this website may not work unless you switch it on.