16,191 is an odd composite number composed of three prime numbers multiplied together.

What does the number 16191 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

16191 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 16191:

32 × 7 × 257

(3 × 3 × 7 × 257)

See below for interesting mathematical facts about the number 16191 from the Numbermatics database.

Names of 16191

  • Cardinal: 16191 can be written as Sixteen thousand, one hundred ninety-one.

Scientific notation

  • Scientific notation: 1.6191 × 104

Factors of 16191

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 267

Divisors of 16191

  • Number of divisors d(n): 12
  • Complete list of divisors:
  • Sum of all divisors σ(n): 26832
  • Sum of proper divisors (its aliquot sum) s(n): 10641
  • 16191 is a deficient number, because the sum of its proper divisors (10641) is less than itself. Its deficiency is 5550

Bases of 16191

  • Binary: 111111001111112
  • Hexadecimal: 0x3F3F
  • Base-36: CHR

Squares and roots of 16191

  • 16191 squared (161912) is 262148481
  • 16191 cubed (161913) is 4244446055871
  • The square root of 16191 is 127.2438603627
  • The cube root of 16191 is 25.2982933541

Scales and comparisons

How big is 16191?
  • 16,191 seconds is equal to 4 hours, 29 minutes, 51 seconds.
  • To count from 1 to 16,191 would take you about four 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 16191 cubic inches would be around 2.1 feet tall.

Recreational maths with 16191

  • 16191 backwards is 19161
  • The number of decimal digits it has is: 5
  • The sum of 16191's digits is 18
  • More coming soon!

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"Number 16191 - Facts about the integer". Numbermatics.com. 2024. Web. 24 May 2024.

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Numbermatics. (2024). Number 16191 - Facts about the integer. Retrieved 24 May 2024, from https://numbermatics.com/n/16191/

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The information we have on file for 16191 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 16191, math, Factors of 16191, curriculum, school, college, exams, university, Prime factorization of 16191, STEM, science, technology, engineering, physics, economics, calculator, sixteen thousand, one hundred ninety-one.

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