42645

42,645 is an odd composite number composed of three prime numbers multiplied together.

What does the number 42645 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

42645 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 42645:

3 × 5 × 2843

See below for interesting mathematical facts about the number 42645 from the Numbermatics database.


Names of 42645

  • Cardinal: 42645 can be written as Forty-two thousand, six hundred forty-five.

Scientific notation

  • Scientific notation: 4.2645 × 104

Factors of 42645

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 2851

Divisors of 42645

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 68256
  • Sum of proper divisors (its aliquot sum) s(n): 25611
  • 42645 is a deficient number, because the sum of its proper divisors (25611) is less than itself. Its deficiency is 17034

Bases of 42645

  • Binary: 10100110100101012
  • Hexadecimal: 0xA695
  • Base-36: WWL

Squares and roots of 42645

  • 42645 squared (426452) is 1818596025
  • 42645 cubed (426453) is 77554027486125
  • The square root of 42645 is 206.5066584883
  • The cube root of 42645 is 34.9373027203

Scales and comparisons

How big is 42645?
  • 42,645 seconds is equal to 11 hours, 50 minutes, 45 seconds.
  • To count from 1 to 42,645 would take you about eleven 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 42645 cubic inches would be around 2.9 feet tall.

Recreational maths with 42645

  • 42645 backwards is 54624
  • The number of decimal digits it has is: 5
  • The sum of 42645's digits is 21
  • More coming soon!

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"Number 42645 - Facts about the integer". Numbermatics.com. 2024. Web. 17 April 2024.

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Numbermatics. (2024). Number 42645 - Facts about the integer. Retrieved 17 April 2024, from https://numbermatics.com/n/42645/

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Numbermatics. 2024. "Number 42645 - Facts about the integer". https://numbermatics.com/n/42645/

The information we have on file for 42645 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 42645, math, Factors of 42645, curriculum, school, college, exams, university, Prime factorization of 42645, STEM, science, technology, engineering, physics, economics, calculator, forty-two thousand, six hundred forty-five.

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