7138391121

7,138,391,121 is an odd composite number composed of two prime numbers multiplied together.

What does the number 7138391121 look like?

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

7138391121 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 7138391121:

32 × 281632

(3 × 3 × 28163 × 28163)

See below for interesting mathematical facts about the number 7138391121 from the Numbermatics database.


Names of 7138391121

  • Cardinal: 7138391121 can be written as Seven billion, one hundred thirty-eight million, three hundred ninety-one thousand, one hundred twenty-one.

Scientific notation

  • Scientific notation: 7.138391121 × 109

Factors of 7138391121

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 28166

Divisors of 7138391121

Bases of 7138391121

  • Binary: 1101010010111101100110100010100012
  • Hexadecimal: 0x1A97B3451
  • Base-36: 3A20HU9

Squares and roots of 7138391121

  • 7138391121 squared (71383911212) is 50956627796371636641
  • 7138391121 cubed (71383911213) is 363748339417721087014352664561
  • 7138391121 is a perfect square number. Its square root is 84489
  • The cube root of 7138391121 is 1925.4553256759

Scales and comparisons

How big is 7138391121?
  • 7,138,391,121 seconds is equal to 226 years, 50 weeks, 6 days, 6 hours, 25 minutes, 21 seconds.
  • To count from 1 to 7,138,391,121 would take you about four hundred fifty-three 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 7138391121 cubic inches would be around 160.5 feet tall.

Recreational maths with 7138391121

  • 7138391121 backwards is 1211938317
  • The number of decimal digits it has is: 10
  • The sum of 7138391121's digits is 36
  • More coming soon!

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"Number 7138391121 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 7138391121 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/7138391121/

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The information we have on file for 7138391121 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 7138391121, math, Factors of 7138391121, curriculum, school, college, exams, university, Prime factorization of 7138391121, STEM, science, technology, engineering, physics, economics, calculator, seven billion, one hundred thirty-eight million, three hundred ninety-one thousand, one hundred twenty-one.

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