21408523414223400

21,408,523,414,223,400 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21408523414223400 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 3888 divisors.

21408523414223400 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three thousand, eight hundred eighty-eight divisors.

Prime factorization of 21408523414223400:

23 × 32 × 52 × 72 × 133 × 232 × 4572

(2 × 2 × 2 × 3 × 3 × 5 × 5 × 7 × 7 × 13 × 13 × 13 × 23 × 23 × 457 × 457)

See below for interesting mathematical facts about the number 21408523414223400 from the Numbermatics database.


Names of 21408523414223400

  • Cardinal: 21408523414223400 can be written as Twenty-one quadrillion, four hundred eight trillion, five hundred twenty-three billion, four hundred fourteen million, two hundred twenty-three thousand, four hundred.

Scientific notation

  • Scientific notation: 2.14085234142234 × 1016

Factors of 21408523414223400

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 16
  • Sum of prime factors: 510

Divisors of 21408523414223400

Bases of 21408523414223400

  • Binary: 10011000000111011110000010010010100010100111010001010002
  • Hexadecimal: 0x4C0EF049453A28
  • Base-36: 5USORVT4U20

Squares and roots of 21408523414223400

  • 21408523414223400 squared (214085234142234002) is 458324874777351543657425107560000
  • 21408523414223400 cubed (214085234142234003) is 9812058812991938336324288945002797178868904000000
  • The square root of 21408523414223400 is 146316517.9131303685
  • The cube root of 21408523414223400 is 277669.9644947097

Scales and comparisons

How big is 21408523414223400?
  • 21,408,523,414,223,400 seconds is equal to 680,724,823 years, 34 weeks, 2 days, 18 hours, 30 minutes.
  • To count from 1 to 21,408,523,414,223,400 would take you about two billion, forty-two million, one hundred seventy-four thousand, four hundred seventy 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 21408523414223400 cubic inches would be around 23139.2 feet tall.

Recreational maths with 21408523414223400

  • 21408523414223400 backwards is 00432241432580412
  • 21408523414223400 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21408523414223400's digits is 45
  • More coming soon!

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"Number 21408523414223400 - Facts about the integer". Numbermatics.com. 2024. Web. 14 June 2024.

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Numbermatics. (2024). Number 21408523414223400 - Facts about the integer. Retrieved 14 June 2024, from https://numbermatics.com/n/21408523414223400/

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Numbermatics. 2024. "Number 21408523414223400 - Facts about the integer". https://numbermatics.com/n/21408523414223400/

The information we have on file for 21408523414223400 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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