13218

13,218 is an even composite number composed of three prime numbers multiplied together.

What does the number 13218 look like?

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

13218 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 13218:

2 × 3 × 2203

See below for interesting mathematical facts about the number 13218 from the Numbermatics database.


Names of 13218

  • Cardinal: 13218 can be written as Thirteen thousand, two hundred eighteen.

Scientific notation

  • Scientific notation: 1.3218 × 104

Factors of 13218

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 2208

Divisors of 13218

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 26448
  • Sum of proper divisors (its aliquot sum) s(n): 13230
  • 13218 is an abundant number, because the sum of its proper divisors (13230) is greater than itself. Its abundance is 12

Bases of 13218

  • Binary: 110011101000102
  • Hexadecimal: 0x33A2
  • Base-36: A76

Squares and roots of 13218

  • 13218 squared (132182) is 174715524
  • 13218 cubed (132183) is 2309389796232
  • The square root of 13218 is 114.9695611891
  • The cube root of 13218 is 23.6440525461

Scales and comparisons

How big is 13218?
  • 13,218 seconds is equal to 3 hours, 40 minutes, 18 seconds.
  • To count from 1 to 13,218 would take you about three 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 13218 cubic inches would be around 2 feet tall.

Recreational maths with 13218

  • 13218 backwards is 81231
  • The number of decimal digits it has is: 5
  • The sum of 13218's digits is 15
  • More coming soon!

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"Number 13218 - Facts about the integer". Numbermatics.com. 2021. Web. 1 December 2021.

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Numbermatics. (2021). Number 13218 - Facts about the integer. Retrieved 1 December 2021, from https://numbermatics.com/n/13218/

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Numbermatics. 2021. "Number 13218 - Facts about the integer". https://numbermatics.com/n/13218/

The information we have on file for 13218 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 13218, math, Factors of 13218, curriculum, school, college, exams, university, Prime factorization of 13218, STEM, science, technology, engineering, physics, economics, calculator, thirteen thousand, two hundred eighteen.

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