18990609089

18,990,609,089 is an odd composite number composed of two prime numbers multiplied together.

What does the number 18990609089 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

18990609089 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 18990609089:

907 × 20937827

See below for interesting mathematical facts about the number 18990609089 from the Numbermatics database.


Names of 18990609089

  • Cardinal: 18990609089 can be written as Eighteen billion, nine hundred ninety million, six hundred nine thousand and eighty-nine.

Scientific notation

  • Scientific notation: 1.8990609089 × 1010

Factors of 18990609089

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 20938734

Divisors of 18990609089

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 19011547824
  • Sum of proper divisors (its aliquot sum) s(n): 20938735
  • 18990609089 is a deficient number, because the sum of its proper divisors (20938735) is less than itself. Its deficiency is 18969670354

Bases of 18990609089

  • Binary: 100011010111110110110110010110000012
  • Hexadecimal: 0x46BEDB2C1
  • Base-36: 8Q2INR5

Squares and roots of 18990609089

  • 18990609089 squared (189906090892) is 360643233571209409921
  • 18990609089 cubed (189906090893) is 6848834669343759348768069371969
  • The square root of 18990609089 is 137806.4188962183
  • The cube root of 18990609089 is 2667.9619495637

Scales and comparisons

How big is 18990609089?
  • 18,990,609,089 seconds is equal to 603 years, 43 weeks, 5 days, 17 hours, 11 minutes, 29 seconds.
  • To count from 1 to 18,990,609,089 would take you about one thousand, two hundred seven 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 18990609089 cubic inches would be around 222.3 feet tall.

Recreational maths with 18990609089

  • 18990609089 backwards is 98090609981
  • The number of decimal digits it has is: 11
  • The sum of 18990609089's digits is 59
  • More coming soon!

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"Number 18990609089 - Facts about the integer". Numbermatics.com. 2024. Web. 7 June 2024.

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Numbermatics. (2024). Number 18990609089 - Facts about the integer. Retrieved 7 June 2024, from https://numbermatics.com/n/18990609089/

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Numbermatics. 2024. "Number 18990609089 - Facts about the integer". https://numbermatics.com/n/18990609089/

The information we have on file for 18990609089 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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