30,840 is an even composite number composed of four prime numbers multiplied together.

What does the number 30840 look like?

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

30840 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 30840:

23 × 3 × 5 × 257

(2 × 2 × 2 × 3 × 5 × 257)

See below for interesting mathematical facts about the number 30840 from the Numbermatics database.

Names of 30840

  • Cardinal: 30840 can be written as Thirty thousand, eight hundred forty.

Scientific notation

  • Scientific notation: 3.084 × 104

Factors of 30840

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 6
  • Sum of prime factors: 267

Divisors of 30840

Bases of 30840

  • Binary: 1111000011110002
  • Hexadecimal: 0x7878
  • Base-36: NSO

Squares and roots of 30840

  • 30840 squared (308402) is 951105600
  • 30840 cubed (308403) is 29332096704000
  • The square root of 30840 is 175.6132113481
  • The cube root of 30840 is 31.3596680169

Scales and comparisons

How big is 30840?
  • 30,840 seconds is equal to 8 hours, 34 minutes.
  • To count from 1 to 30,840 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 30840 cubic inches would be around 2.6 feet tall.

Recreational maths with 30840

  • 30840 backwards is 04803
  • 30840 is a Harshad number.
  • The number of decimal digits it has is: 5
  • The sum of 30840's digits is 15
  • More coming soon!

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"Number 30840 - Facts about the integer". Numbermatics.com. 2021. Web. 15 May 2021.

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Numbermatics. (2021). Number 30840 - Facts about the integer. Retrieved 15 May 2021, from https://numbermatics.com/n/30840/

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The information we have on file for 30840 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!

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