21720142173929472

21,720,142,173,929,472 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21720142173929472 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 4608 divisors.

21720142173929472 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four thousand, six hundred eight divisors.

Prime factorization of 21720142173929472:

215 × 33 × 7 × 13 × 312 × 412 × 167

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 13 × 31 × 31 × 41 × 41 × 167)

See below for interesting mathematical facts about the number 21720142173929472 from the Numbermatics database.


Names of 21720142173929472

  • Cardinal: 21720142173929472 can be written as Twenty-one quadrillion, seven hundred twenty trillion, one hundred forty-two billion, one hundred seventy-three million, nine hundred twenty-nine thousand, four hundred seventy-two.

Scientific notation

  • Scientific notation: 2.1720142173929472 × 1016

Factors of 21720142173929472

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 25
  • Sum of prime factors: 264

Divisors of 21720142173929472

Bases of 21720142173929472

  • Binary: 10011010010101001011010101011101011111110000000000000002
  • Hexadecimal: 0x4D2A5AAEBF8000
  • Base-36: 5XV5BKCWLC0

Squares and roots of 21720142173929472

  • 21720142173929472 squared (217201421739294722) is 471764576055709689901509230198784
  • 21720142173929472 cubed (217201421739294723) is 10246793664553577997110175444081509118928956162048
  • The square root of 21720142173929472 is 147377549.7622669529
  • The cube root of 21720142173929472 is 279010.7187633067

Scales and comparisons

How big is 21720142173929472?
  • 21,720,142,173,929,472 seconds is equal to 690,633,336 years, 16 weeks, 4 days, 11 hours, 31 minutes, 12 seconds.
  • To count from 1 to 21,720,142,173,929,472 would take you about two billion, seventy-one million, nine hundred thousand and eight 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 21720142173929472 cubic inches would be around 23250.9 feet tall.

Recreational maths with 21720142173929472

  • 21720142173929472 backwards is 27492937124102712
  • 21720142173929472 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21720142173929472's digits is 63
  • 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 21720142173929472 - Facts about the integer". Numbermatics.com. 2024. Web. 30 May 2024.

APA style:
Numbermatics. (2024). Number 21720142173929472 - Facts about the integer. Retrieved 30 May 2024, from https://numbermatics.com/n/21720142173929472/

Chicago style:
Numbermatics. 2024. "Number 21720142173929472 - Facts about the integer". https://numbermatics.com/n/21720142173929472/

The information we have on file for 21720142173929472 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 21720142173929472, math, Factors of 21720142173929472, curriculum, school, college, exams, university, Prime factorization of 21720142173929472, STEM, science, technology, engineering, physics, economics, calculator, twenty-one quadrillion, seven hundred twenty trillion, one hundred forty-two billion, one hundred seventy-three million, nine hundred twenty-nine thousand, four hundred seventy-two.

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