5,381 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 5381 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

5381 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 5381:


See below for interesting mathematical facts about the number 5381 from the Numbermatics database.

Names of 5381

  • Cardinal: 5381 can be written as Five thousand, three hundred eighty-one.

Scientific notation

  • Scientific notation: 5.381 × 103

Factors of 5381

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 5381

Divisors of 5381

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 5382
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 5381 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 5380

Bases of 5381

  • Binary: 10101000001012
  • Hexadecimal: 0x1505
  • Base-36: 45H

Squares and roots of 5381

  • 5381 squared (53812) is 28955161
  • 5381 cubed (53813) is 155807721341
  • The square root of 5381 is 73.3552997403
  • The cube root of 5381 is 17.5235058281

Scales and comparisons

How big is 5381?
  • 5,381 seconds is equal to 1 hour, 29 minutes, 41 seconds.
  • To count from 1 to 5,381 would take you about twenty-nine 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 5381 cubic inches would be around 1.5 feet tall.

Recreational maths with 5381

  • 5381 backwards is 1835
  • The number of decimal digits it has is: 4
  • The sum of 5381's digits is 17
  • More coming soon!

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"Number 5381 - Facts about the integer". Numbermatics.com. 2024. Web. 14 April 2024.

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The information we have on file for 5381 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 5381, math, Factors of 5381, curriculum, school, college, exams, university, Prime factorization of 5381, STEM, science, technology, engineering, physics, economics, calculator, five thousand, three hundred eighty-one.

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