21008006640528390

21,008,006,640,528,390 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21008006640528390 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 720 divisors.

21008006640528390 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of seven hundred twenty divisors.

Prime factorization of 21008006640528390:

2 × 34 × 5 × 7 × 17 × 192 × 245712

(2 × 3 × 3 × 3 × 3 × 5 × 7 × 17 × 19 × 19 × 24571 × 24571)

See below for interesting mathematical facts about the number 21008006640528390 from the Numbermatics database.


Names of 21008006640528390

  • Cardinal: 21008006640528390 can be written as Twenty-one quadrillion, eight trillion, six billion, six hundred forty million, five hundred twenty-eight thousand, three hundred ninety.

Scientific notation

  • Scientific notation: 2.100800664052839 × 1016

Factors of 21008006640528390

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 12
  • Sum of prime factors: 24624

Divisors of 21008006640528390

Bases of 21008006640528390

  • Binary: 10010101010001010101011101101010011111101101100000001102
  • Hexadecimal: 0x4AA2ABB53F6C06
  • Base-36: 5QUPT0N42DI

Squares and roots of 21008006640528390

  • 21008006640528390 squared (210080066405283902) is 441336343008484930857298395992100
  • 21008006640528390 cubed (210080066405283903) is 9271596824628766714072318948079074087002265719000
  • The square root of 21008006640528390 is 144941390.3635824449
  • The cube root of 21008006640528390 is 275927.4762212049

Scales and comparisons

How big is 21008006640528390?
  • 21,008,006,640,528,390 seconds is equal to 667,989,629 years, 7 weeks, 1 day, 2 hours, 46 minutes, 30 seconds.
  • To count from 1 to 21,008,006,640,528,390 would take you about two billion, three million, nine hundred sixty-eight thousand, eight hundred eighty-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 21008006640528390 cubic inches would be around 22994 feet tall.

Recreational maths with 21008006640528390

  • 21008006640528390 backwards is 09382504660080012
  • 21008006640528390 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21008006640528390's digits is 54
  • 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 21008006640528390 - Facts about the integer". Numbermatics.com. 2024. Web. 18 June 2024.

APA style:
Numbermatics. (2024). Number 21008006640528390 - Facts about the integer. Retrieved 18 June 2024, from https://numbermatics.com/n/21008006640528390/

Chicago style:
Numbermatics. 2024. "Number 21008006640528390 - Facts about the integer". https://numbermatics.com/n/21008006640528390/

The information we have on file for 21008006640528390 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 21008006640528390, math, Factors of 21008006640528390, curriculum, school, college, exams, university, Prime factorization of 21008006640528390, STEM, science, technology, engineering, physics, economics, calculator, twenty-one quadrillion, eight trillion, six billion, six hundred forty million, five hundred twenty-eight thousand, three hundred ninety.

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