28129438490400

28,129,438,490,400 is an even composite number composed of seven prime numbers multiplied together.

What does the number 28129438490400 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 2160 divisors.

28129438490400 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two thousand, one hundred sixty divisors.

Prime factorization of 28129438490400:

25 × 34 × 52 × 132 × 23 × 29 × 3851

(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 5 × 13 × 13 × 23 × 29 × 3851)

See below for interesting mathematical facts about the number 28129438490400 from the Numbermatics database.


Names of 28129438490400

  • Cardinal: 28129438490400 can be written as Twenty-eight trillion, one hundred twenty-nine billion, four hundred thirty-eight million, four hundred ninety thousand, four hundred.

Scientific notation

  • Scientific notation: 2.81294384904 × 1013

Factors of 28129438490400

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 16
  • Sum of prime factors: 3926

Divisors of 28129438490400

Bases of 28129438490400

  • Binary: 1100110010101011001010011000001011111001000002
  • Hexadecimal: 0x199565305F20
  • Base-36: 9YYHHEA00

Squares and roots of 28129438490400

  • 28129438490400 squared (281294384904002) is 791265309785197030892160000
  • 28129438490400 cubed (281294384904003) is 22257848861190001116925723355595264000000
  • The square root of 28129438490400 is 5303719.3072786195
  • The cube root of 28129438490400 is 30412.6096445455

Scales and comparisons

How big is 28129438490400?
  • 28,129,438,490,400 seconds is equal to 894,429 years, 6 weeks, 6 days, 18 hours.
  • To count from 1 to 28,129,438,490,400 would take you about two million, two hundred thirty-six thousand and seventy-two 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 28129438490400 cubic inches would be around 2534.4 feet tall.

Recreational maths with 28129438490400

  • 28129438490400 backwards is 00409483492182
  • 28129438490400 is a Harshad number.
  • The number of decimal digits it has is: 14
  • The sum of 28129438490400's digits is 54
  • More coming soon!

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"Number 28129438490400 - Facts about the integer". Numbermatics.com. 2024. Web. 14 June 2024.

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Numbermatics. (2024). Number 28129438490400 - Facts about the integer. Retrieved 14 June 2024, from https://numbermatics.com/n/28129438490400/

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Numbermatics. 2024. "Number 28129438490400 - Facts about the integer". https://numbermatics.com/n/28129438490400/

The information we have on file for 28129438490400 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 28129438490400, math, Factors of 28129438490400, curriculum, school, college, exams, university, Prime factorization of 28129438490400, STEM, science, technology, engineering, physics, economics, calculator, twenty-eight trillion, one hundred twenty-nine billion, four hundred thirty-eight million, four hundred ninety thousand, four hundred.

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