137428729

137,428,729 is an odd composite number composed of two prime numbers multiplied together.

What does the number 137428729 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 9 divisors.

137428729 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of nine divisors.

Prime factorization of 137428729:

192 × 6172

(19 × 19 × 617 × 617)

See below for interesting mathematical facts about the number 137428729 from the Numbermatics database.


Names of 137428729

  • Cardinal: 137428729 can be written as One hundred thirty-seven million, four hundred twenty-eight thousand, seven hundred twenty-nine.

Scientific notation

  • Scientific notation: 1.37428729 × 108

Factors of 137428729

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 636

Divisors of 137428729

Bases of 137428729

  • Binary: 10000011000011111110111110012
  • Hexadecimal: 0x830FEF9
  • Base-36: 29TKOP

Squares and roots of 137428729

Scales and comparisons

How big is 137428729?
  • 137,428,729 seconds is equal to 4 years, 19 weeks, 1 day, 14 hours, 38 minutes, 49 seconds.
  • To count from 1 to 137,428,729 would take you about six years!

    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 137428729 cubic inches would be around 43 feet tall.

Recreational maths with 137428729

  • 137428729 backwards is 927824731
  • The number of decimal digits it has is: 9
  • The sum of 137428729's digits is 43
  • More coming soon!

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"Number 137428729 - Facts about the integer". Numbermatics.com. 2024. Web. 28 March 2024.

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Numbermatics. (2024). Number 137428729 - Facts about the integer. Retrieved 28 March 2024, from https://numbermatics.com/n/137428729/

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Numbermatics. 2024. "Number 137428729 - Facts about the integer". https://numbermatics.com/n/137428729/

The information we have on file for 137428729 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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