21428782312734720

21,428,782,312,734,720 is an even composite number composed of nine prime numbers multiplied together.

What does the number 21428782312734720 look like?

This visualization shows the relationship between its 9 prime factors (large circles) and 7680 divisors.

21428782312734720 is an even composite number. It is composed of nine distinct prime numbers multiplied together. It has a total of seven thousand, six hundred eighty divisors.

Prime factorization of 21428782312734720:

214 × 33 × 5 × 7 × 11 × 37 × 61 × 107 × 521

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 11 × 37 × 61 × 107 × 521)

See below for interesting mathematical facts about the number 21428782312734720 from the Numbermatics database.


Names of 21428782312734720

  • Cardinal: 21428782312734720 can be written as Twenty-one quadrillion, four hundred twenty-eight trillion, seven hundred eighty-two billion, three hundred twelve million, seven hundred thirty-four thousand, seven hundred twenty.

Scientific notation

  • Scientific notation: 2.142878231273472 × 1016

Factors of 21428782312734720

  • Number of distinct prime factors ω(n): 9
  • Total number of prime factors Ω(n): 24
  • Sum of prime factors: 754

Divisors of 21428782312734720

Bases of 21428782312734720

  • Binary: 10011000010000101011101001011011011100001000000000000002
  • Hexadecimal: 0x4C215D2DB84000
  • Base-36: 5UZVAOY8LC0

Squares and roots of 21428782312734720

  • 21428782312734720 squared (214287823127347202) is 459192711406572375225085093478400
  • 21428782312734720 cubed (214287823127347203) is 9839940652325856823695767325350178993941250048000
  • The square root of 21428782312734720 is 146385731.2470539937
  • The cube root of 21428782312734720 is 277757.5232993571

Scales and comparisons

How big is 21428782312734720?
  • 21,428,782,312,734,720 seconds is equal to 681,368,993 years, 50 weeks, 2 days, 19 hours, 12 minutes.
  • To count from 1 to 21,428,782,312,734,720 would take you about two billion, forty-four million, one hundred six thousand, nine hundred eighty-one 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 21428782312734720 cubic inches would be around 23146.5 feet tall.

Recreational maths with 21428782312734720

  • 21428782312734720 backwards is 02743721328782412
  • 21428782312734720 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21428782312734720'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 21428782312734720 - Facts about the integer". Numbermatics.com. 2024. Web. 23 June 2024.

APA style:
Numbermatics. (2024). Number 21428782312734720 - Facts about the integer. Retrieved 23 June 2024, from https://numbermatics.com/n/21428782312734720/

Chicago style:
Numbermatics. 2024. "Number 21428782312734720 - Facts about the integer". https://numbermatics.com/n/21428782312734720/

The information we have on file for 21428782312734720 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 21428782312734720, math, Factors of 21428782312734720, curriculum, school, college, exams, university, Prime factorization of 21428782312734720, STEM, science, technology, engineering, physics, economics, calculator, twenty-one quadrillion, four hundred twenty-eight trillion, seven hundred eighty-two billion, three hundred twelve million, seven hundred thirty-four thousand, seven hundred twenty.

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