13538281843940317821

13,538,281,843,940,317,821 is an odd composite number composed of five prime numbers multiplied together.

What does the number 13538281843940317821 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 1728 divisors.

13538281843940317821 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one thousand, seven hundred twenty-eight divisors.

Prime factorization of 13538281843940317821:

38 × 73 × 193 × 312 × 973

(3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 7 × 19 × 19 × 19 × 31 × 31 × 97 × 97 × 97)

See below for interesting mathematical facts about the number 13538281843940317821 from the Numbermatics database.


Names of 13538281843940317821

  • Cardinal: 13538281843940317821 can be written as Thirteen quintillion, five hundred thirty-eight quadrillion, two hundred eighty-one trillion, eight hundred forty-three billion, nine hundred forty million, three hundred seventeen thousand, eight hundred twenty-one.

Scientific notation

  • Scientific notation: 1.3538281843940317821 × 1019

Factors of 13538281843940317821

  • Number of distinct prime factors ω(n): 5
  • Total number of prime factors Ω(n): 19
  • Sum of prime factors: 157

Divisors of 13538281843940317821

Bases of 13538281843940317821

  • Binary: 10111011111000011010001110011011101100010010111011011010011111012
  • Hexadecimal: 0xBBE1A39BB12EDA7D
  • Base-36: 2UUVCDVAJD2T9

Squares and roots of 13538281843940317821

  • 13538281843940317821 squared (135382818439403178212) is 183285075285964052015271445810490188041
  • 13538281843940317821 cubed (135382818439403178213) is 2481365007009201380763775642807848436333165752123593378661
  • The square root of 13538281843940317821 is 3679440425.3826855271
  • The cube root of 13538281843940317821 is 2383350.1442218449

Scales and comparisons

How big is 13538281843940317821?
  • 13,538,281,843,940,317,821 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
  • To count from 1 to 13,538,281,843,940,317,821 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 13538281843940317821 cubic inches would be around 198612.5 feet tall.

Recreational maths with 13538281843940317821

  • 13538281843940317821 backwards is 12871304934818283531
  • 13538281843940317821 is a Harshad number.
  • The number of decimal digits it has is: 20
  • The sum of 13538281843940317821's digits is 81
  • More coming soon!

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"Number 13538281843940317821 - Facts about the integer". Numbermatics.com. 2024. Web. 26 May 2024.

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Numbermatics. (2024). Number 13538281843940317821 - Facts about the integer. Retrieved 26 May 2024, from https://numbermatics.com/n/13538281843940317821/

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Numbermatics. 2024. "Number 13538281843940317821 - Facts about the integer". https://numbermatics.com/n/13538281843940317821/

The information we have on file for 13538281843940317821 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!

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