21355709840640

21,355,709,840,640 is an even composite number composed of eight prime numbers multiplied together.

What does the number 21355709840640 look like?

This visualization shows the relationship between its 8 prime factors (large circles) and 3456 divisors.

21355709840640 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three thousand, four hundred fifty-six divisors.

Prime factorization of 21355709840640:

28 × 33 × 5 × 7 × 172 × 47 × 67 × 97

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 17 × 17 × 47 × 67 × 97)

See below for interesting mathematical facts about the number 21355709840640 from the Numbermatics database.


Names of 21355709840640

  • Cardinal: 21355709840640 can be written as Twenty-one trillion, three hundred fifty-five billion, seven hundred nine million, eight hundred forty thousand, six hundred forty.

Scientific notation

  • Scientific notation: 2.135570984064 × 1013

Factors of 21355709840640

  • Number of distinct prime factors ω(n): 8
  • Total number of prime factors Ω(n): 18
  • Sum of prime factors: 245

Divisors of 21355709840640

Bases of 21355709840640

  • Binary: 1001101101100010000110111111110111101000000002
  • Hexadecimal: 0x136C437FBD00
  • Base-36: 7KIOE91C0

Squares and roots of 21355709840640

  • 21355709840640 squared (213557098406402) is 456066342797608134195609600
  • 21355709840640 cubed (213557098406403) is 9739620484867575619295689625403654144000
  • The square root of 21355709840640 is 4621223.8466276441
  • The cube root of 21355709840640 is 27744.1444629157

Scales and comparisons

How big is 21355709840640?
  • 21,355,709,840,640 seconds is equal to 679,045 years, 26 weeks, 5 days, 14 hours, 24 minutes.
  • To count from 1 to 21,355,709,840,640 would take you about one million, six hundred ninety-seven thousand, six hundred thirteen 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 21355709840640 cubic inches would be around 2312 feet tall.

Recreational maths with 21355709840640

  • 21355709840640 backwards is 04604890755312
  • 21355709840640 is a Harshad number.
  • The number of decimal digits it has is: 14
  • The sum of 21355709840640's digits is 54
  • More coming soon!

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"Number 21355709840640 - Facts about the integer". Numbermatics.com. 2024. Web. 22 May 2024.

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Numbermatics. (2024). Number 21355709840640 - Facts about the integer. Retrieved 22 May 2024, from https://numbermatics.com/n/21355709840640/

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Numbermatics. 2024. "Number 21355709840640 - Facts about the integer". https://numbermatics.com/n/21355709840640/

The information we have on file for 21355709840640 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 21355709840640, math, Factors of 21355709840640, curriculum, school, college, exams, university, Prime factorization of 21355709840640, STEM, science, technology, engineering, physics, economics, calculator, twenty-one trillion, three hundred fifty-five billion, seven hundred nine million, eight hundred forty thousand, six hundred forty.

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