42838

42,838 is an even composite number composed of two prime numbers multiplied together.

What does the number 42838 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

42838 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 42838:

2 × 21419

See below for interesting mathematical facts about the number 42838 from the Numbermatics database.


Names of 42838

  • Cardinal: 42838 can be written as Forty-two thousand, eight hundred thirty-eight.

Scientific notation

  • Scientific notation: 4.2838 × 104

Factors of 42838

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 21421

Divisors of 42838

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 64260
  • Sum of proper divisors (its aliquot sum) s(n): 21422
  • 42838 is a deficient number, because the sum of its proper divisors (21422) is less than itself. Its deficiency is 21416

Bases of 42838

  • Binary: 10100111010101102
  • Hexadecimal: 0xA756
  • Base-36: X1Y

Squares and roots of 42838

  • 42838 squared (428382) is 1835094244
  • 42838 cubed (428383) is 78611767224472
  • The square root of 42838 is 206.9734282463
  • The cube root of 42838 is 34.9899290753

Scales and comparisons

How big is 42838?
  • 42,838 seconds is equal to 11 hours, 53 minutes, 58 seconds.
  • To count from 1 to 42,838 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 42838 cubic inches would be around 2.9 feet tall.

Recreational maths with 42838

  • 42838 backwards is 83824
  • The number of decimal digits it has is: 5
  • The sum of 42838's digits is 25
  • More coming soon!

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"Number 42838 - Facts about the integer". Numbermatics.com. 2024. Web. 18 May 2024.

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Numbermatics. (2024). Number 42838 - Facts about the integer. Retrieved 18 May 2024, from https://numbermatics.com/n/42838/

Chicago style:
Numbermatics. 2024. "Number 42838 - Facts about the integer". https://numbermatics.com/n/42838/

The information we have on file for 42838 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 42838, math, Factors of 42838, curriculum, school, college, exams, university, Prime factorization of 42838, STEM, science, technology, engineering, physics, economics, calculator, forty-two thousand, eight hundred thirty-eight.

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