21138824369

21,138,824,369 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21138824369 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 36 divisors.

21138824369 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 21138824369:

135 × 172 × 197

(13 × 13 × 13 × 13 × 13 × 17 × 17 × 197)

See below for interesting mathematical facts about the number 21138824369 from the Numbermatics database.


Names of 21138824369

  • Cardinal: 21138824369 can be written as Twenty-one billion, one hundred thirty-eight million, eight hundred twenty-four thousand, three hundred sixty-nine.

Scientific notation

  • Scientific notation: 2.1138824369 × 1010

Factors of 21138824369

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 8
  • Sum of prime factors: 227

Divisors of 21138824369

Bases of 21138824369

  • Binary: 100111010111111100011011100101100012
  • Hexadecimal: 0x4EBF8DCB1
  • Base-36: 9PLID9T

Squares and roots of 21138824369

  • 21138824369 squared (211388243692) is 446849895703428248161
  • 21138824369 cubed (211388243693) is 9445881464580737449068726235409
  • The square root of 21138824369 is 145391.9680346889
  • The cube root of 21138824369 is 2764.9902877599

Scales and comparisons

How big is 21138824369?
  • 21,138,824,369 seconds is equal to 672 years, 7 weeks, 5 days, 7 hours, 39 minutes, 29 seconds.
  • To count from 1 to 21,138,824,369 would take you about one thousand, three hundred forty-four 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 21138824369 cubic inches would be around 230.4 feet tall.

Recreational maths with 21138824369

  • 21138824369 backwards is 96342883112
  • The number of decimal digits it has is: 11
  • The sum of 21138824369's digits is 47
  • More coming soon!

Copy this link to share with anyone:


Share this page on social media:

Link to this page

HTML: To link to this page, just copy and paste the link below into your blog, web page or email.

BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:

Cite this page

MLA style:
"Number 21138824369 - Facts about the integer". Numbermatics.com. 2024. Web. 2 May 2024.

APA style:
Numbermatics. (2024). Number 21138824369 - Facts about the integer. Retrieved 2 May 2024, from https://numbermatics.com/n/21138824369/

Chicago style:
Numbermatics. 2024. "Number 21138824369 - Facts about the integer". https://numbermatics.com/n/21138824369/

The information we have on file for 21138824369 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 21138824369, math, Factors of 21138824369, curriculum, school, college, exams, university, Prime factorization of 21138824369, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, one hundred thirty-eight million, eight hundred twenty-four thousand, three hundred sixty-nine.

Oh no. Javascript is switched off in your browser.
Some bits of this website may not work unless you switch it on.