643968

643,968 is an even composite number composed of four prime numbers multiplied together.

What does the number 643968 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 96 divisors.

643968 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.

Prime factorization of 643968:

27 × 32 × 13 × 43

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 43)

See below for interesting mathematical facts about the number 643968 from the Numbermatics database.


Names of 643968

  • Cardinal: 643968 can be written as Six hundred forty-three thousand, nine hundred sixty-eight.

Scientific notation

  • Scientific notation: 6.43968 × 105

Factors of 643968

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 11
  • Sum of prime factors: 61

Divisors of 643968

Bases of 643968

  • Binary: 100111010011100000002
  • Hexadecimal: 0x9D380
  • Base-36: DSW0

Squares and roots of 643968

  • 643968 squared (6439682) is 414694785024
  • 643968 cubed (6439683) is 267050171322335232
  • The square root of 643968 is 802.4761678705
  • The cube root of 643968 is 86.3551207251

Scales and comparisons

How big is 643968?
  • 643,968 seconds is equal to 1 week, 10 hours, 52 minutes, 48 seconds.
  • To count from 1 to 643,968 would take you about ten hours!

    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 643968 cubic inches would be around 7.2 feet tall.

Recreational maths with 643968

  • 643968 backwards is 869346
  • 643968 is a Harshad number.
  • The number of decimal digits it has is: 6
  • The sum of 643968's digits is 36
  • More coming soon!

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"Number 643968 - Facts about the integer". Numbermatics.com. 2024. Web. 23 April 2024.

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Numbermatics. (2024). Number 643968 - Facts about the integer. Retrieved 23 April 2024, from https://numbermatics.com/n/643968/

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Numbermatics. 2024. "Number 643968 - Facts about the integer". https://numbermatics.com/n/643968/

The information we have on file for 643968 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 643968, math, Factors of 643968, curriculum, school, college, exams, university, Prime factorization of 643968, STEM, science, technology, engineering, physics, economics, calculator, six hundred forty-three thousand, nine hundred sixty-eight.

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