138,530 is an even composite number composed of four prime numbers multiplied together.

What does the number 138530 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

138530 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 138530:

2 × 5 × 7 × 1979

See below for interesting mathematical facts about the number 138530 from the Numbermatics database.

Names of 138530

  • Cardinal: 138530 can be written as One hundred thirty-eight thousand, five hundred thirty.

Scientific notation

  • Scientific notation: 1.3853 × 105

Factors of 138530

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 1993

Divisors of 138530

Bases of 138530

  • Binary: 1000011101001000102
  • Hexadecimal: 0x21D22
  • Base-36: 2YW2

Squares and roots of 138530

  • 138530 squared (1385302) is 19190560900
  • 138530 cubed (1385303) is 2658468401477000
  • The square root of 138530 is 372.1961848273
  • The cube root of 138530 is 51.7425639077

Scales and comparisons

How big is 138530?
  • 138,530 seconds is equal to 1 day, 14 hours, 28 minutes, 50 seconds.
  • To count from 1 to 138,530 would take you about fourteen 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 138530 cubic inches would be around 4.3 feet tall.

Recreational maths with 138530

  • 138530 backwards is 035831
  • The number of decimal digits it has is: 6
  • The sum of 138530's digits is 20
  • More coming soon!

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Numbermatics. (2020). Number 138530 - Facts about the integer. Retrieved 8 August 2020, from https://numbermatics.com/n/138530/

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Numbermatics. 2020. "Number 138530 - Facts about the integer". https://numbermatics.com/n/138530/

The information we have on file for 138530 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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