216840

216,840 is an even composite number composed of five prime numbers multiplied together.

What does the number 216840 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 64 divisors.

216840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.

Prime factorization of 216840:

23 × 3 × 5 × 13 × 139

(2 × 2 × 2 × 3 × 5 × 13 × 139)

See below for interesting mathematical facts about the number 216840 from the Numbermatics database.


Names of 216840

  • Cardinal: 216840 can be written as Two hundred sixteen thousand, eight hundred forty.

Scientific notation

  • Scientific notation: 2.1684 × 105

Factors of 216840

  • Number of distinct prime factors ω(n): 5
  • Total number of prime factors Ω(n): 7
  • Sum of prime factors: 162

Divisors of 216840

Bases of 216840

  • Binary: 1101001111000010002
  • Hexadecimal: 0x34F08
  • Base-36: 4NBC

Squares and roots of 216840

  • 216840 squared (2168402) is 47019585600
  • 216840 cubed (2168403) is 10195726941504000
  • The square root of 216840 is 465.6608207697
  • The cube root of 216840 is 60.0776771719

Scales and comparisons

How big is 216840?
  • 216,840 seconds is equal to 2 days, 12 hours, 14 minutes.
  • To count from 1 to 216,840 would take you about two days.

    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 216840 cubic inches would be around 5 feet tall.

Recreational maths with 216840

  • 216840 backwards is 048612
  • The number of decimal digits it has is: 6
  • The sum of 216840's digits is 21
  • More coming soon!

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"Number 216840 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 216840 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/216840/

Chicago style:
Numbermatics. 2024. "Number 216840 - Facts about the integer". https://numbermatics.com/n/216840/

The information we have on file for 216840 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 216840, math, Factors of 216840, curriculum, school, college, exams, university, Prime factorization of 216840, STEM, science, technology, engineering, physics, economics, calculator, two hundred sixteen thousand, eight hundred forty.

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