138740

138,740 is an even composite number composed of four prime numbers multiplied together.

What does the number 138740 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

138740 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 138740:

22 × 5 × 7 × 991

(2 × 2 × 5 × 7 × 991)

See below for interesting mathematical facts about the number 138740 from the Numbermatics database.


Names of 138740

  • Cardinal: 138740 can be written as One hundred thirty-eight thousand, seven hundred forty.

Scientific notation

  • Scientific notation: 1.3874 × 105

Factors of 138740

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 1005

Divisors of 138740

Bases of 138740

  • Binary: 1000011101111101002
  • Hexadecimal: 0x21DF4
  • Base-36: 2Z1W

Squares and roots of 138740

  • 138740 squared (1387402) is 19248787600
  • 138740 cubed (1387403) is 2670576791624000
  • The square root of 138740 is 372.4781872809
  • The cube root of 138740 is 51.7686965203

Scales and comparisons

How big is 138740?
  • 138,740 seconds is equal to 1 day, 14 hours, 32 minutes, 20 seconds.
  • To count from 1 to 138,740 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 138740 cubic inches would be around 4.3 feet tall.

Recreational maths with 138740

  • 138740 backwards is 047831
  • The number of decimal digits it has is: 6
  • The sum of 138740's digits is 23
  • More coming soon!

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"Number 138740 - Facts about the integer". Numbermatics.com. 2024. Web. 1 March 2024.

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Numbermatics. (2024). Number 138740 - Facts about the integer. Retrieved 1 March 2024, from https://numbermatics.com/n/138740/

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Numbermatics. 2024. "Number 138740 - Facts about the integer". https://numbermatics.com/n/138740/

The information we have on file for 138740 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 138740, math, Factors of 138740, curriculum, school, college, exams, university, Prime factorization of 138740, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight thousand, seven hundred forty.

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