21388649990141427840

21,388,649,990,141,427,840 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21388649990141427840 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 15360 divisors.

21388649990141427840 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of fifteen thousand, three hundred sixty divisors.

Prime factorization of 21388649990141427840:

27 × 39 × 5 × 7 × 113 × 193 × 1632

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 11 × 11 × 11 × 19 × 19 × 19 × 163 × 163)

See below for interesting mathematical facts about the number 21388649990141427840 from the Numbermatics database.


Names of 21388649990141427840

  • Cardinal: 21388649990141427840 can be written as Twenty-one quintillion, three hundred eighty-eight quadrillion, six hundred forty-nine trillion, nine hundred ninety billion, one hundred forty-one million, four hundred twenty-seven thousand, eight hundred forty.

Scientific notation

  • Scientific notation: 2.138864999014142784 × 1019

Factors of 21388649990141427840

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 26
  • Sum of prime factors: 210

Divisors of 21388649990141427840

Bases of 21388649990141427840

  • Binary: 100101000110100111011111111011000000101111000101011000000100000002
  • Hexadecimal: 0x128D3BFD8178AC080
  • Base-36: 4II17N2LSI000

Squares and roots of 21388649990141427840

  • 21388649990141427840 squared (213886499901414278402) is 457474348400776901237223445033927065600
  • 21388649990141427840 cubed (213886499901414278403) is 9784758717412232993589499556716543520734676375605346304000
  • The square root of 21388649990141427840 is 4624786480.4919835175
  • The cube root of 21388649990141427840 is 2775840.1801978335

Scales and comparisons

How big is 21388649990141427840?
  • 21,388,649,990,141,427,840 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
  • To count from 1 to 21,388,649,990,141,427,840 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 21388649990141427840 cubic inches would be around 231320 feet tall.

Recreational maths with 21388649990141427840

  • 21388649990141427840 backwards is 04872414109994688312
  • 21388649990141427840 is a Harshad number.
  • The number of decimal digits it has is: 20
  • The sum of 21388649990141427840's digits is 90
  • More coming soon!

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"Number 21388649990141427840 - Facts about the integer". Numbermatics.com. 2024. Web. 13 May 2024.

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Numbermatics. (2024). Number 21388649990141427840 - Facts about the integer. Retrieved 13 May 2024, from https://numbermatics.com/n/21388649990141427840/

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Numbermatics. 2024. "Number 21388649990141427840 - Facts about the integer". https://numbermatics.com/n/21388649990141427840/

The information we have on file for 21388649990141427840 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 21388649990141427840, math, Factors of 21388649990141427840, curriculum, school, college, exams, university, Prime factorization of 21388649990141427840, STEM, science, technology, engineering, physics, economics, calculator, twenty-one quintillion, three hundred eighty-eight quadrillion, six hundred forty-nine trillion, nine hundred ninety billion, one hundred forty-one million, four hundred twenty-seven thousand, eight hundred forty.

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