2,138 is an even composite number composed of two prime numbers multiplied together.

What does the number 2138 look like?

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

2138 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 2138:

2 × 1069

See below for interesting mathematical facts about the number 2138 from the Numbermatics database.

Names of 2138

  • Cardinal: 2138 can be written as Two thousand, one hundred thirty-eight.

Scientific notation

  • Scientific notation: 2.138 × 103

Factors of 2138

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 1071

Divisors of 2138

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 3210
  • Sum of proper divisors (its aliquot sum) s(n): 1072
  • 2138 is a deficient number, because the sum of its proper divisors (1072) is less than itself. Its deficiency is 1066

Bases of 2138

  • Binary: 1000010110102
  • Hexadecimal: 0x85A
  • Base-36: 1NE

Squares and roots of 2138

  • 2138 squared (21382) is 4571044
  • 2138 cubed (21383) is 9772892072
  • The square root of 2138 is 46.2385120867
  • The cube root of 2138 is 12.8825716609

Scales and comparisons

How big is 2138?
  • 2,138 seconds is equal to 35 minutes, 38 seconds.
  • To count from 1 to 2,138 would take you about thirty-five minutes.

    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 2138 cubic inches would be around 1.1 feet tall.

Recreational maths with 2138

  • 2138 backwards is 8312
  • The number of decimal digits it has is: 4
  • The sum of 2138's digits is 14
  • More coming soon!

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"Number 2138 - Facts about the integer". Numbermatics.com. 2021. Web. 28 November 2021.

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Numbermatics. (2021). Number 2138 - Facts about the integer. Retrieved 28 November 2021, from https://numbermatics.com/n/2138/

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The information we have on file for 2138 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 2138, math, Factors of 2138, curriculum, school, college, exams, university, Prime factorization of 2138, STEM, science, technology, engineering, physics, economics, calculator, two thousand, one hundred thirty-eight.

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