197 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 197 look like?

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

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

Prime factorization of 197:


See below for interesting mathematical facts about the number 197 from the Numbermatics database.

Names of 197

  • Cardinal: 197 can be written as One hundred ninety-seven.

Scientific notation

  • Scientific notation: 1.97 × 102

Factors of 197

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 197

Divisors of 197

  • Number of divisors d(n): 2
  • Complete list of divisors:
    1 197
  • Sum of all divisors σ(n): 198
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 197 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 196

Bases of 197

  • Binary: 110001012
  • Hexadecimal: 0xC5
  • Base-36: 5H

Squares and roots of 197

  • 197 squared (1972) is 38809
  • 197 cubed (1973) is 7645373
  • The square root of 197 is 14.0356688477
  • The cube root of 197 is 5.8186478675

Scales and comparisons

How big is 197?
  • 197 seconds is equal to 3 minutes, 17 seconds.
  • To count from 1 to 197 would take you about thirty-eight seconds.

    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 197 cubic inches would be around 0.5 feet tall.

Recreational maths with 197

  • 197 backwards is 791
  • 197 is a twin prime! Its twin is 199
  • The number of decimal digits it has is: 3
  • The sum of 197's digits is 17
  • More coming soon!

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"Number 197 - Facts about the integer". Numbermatics.com. 2024. Web. 17 July 2024.

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Numbermatics. (2024). Number 197 - Facts about the integer. Retrieved 17 July 2024, from https://numbermatics.com/n/197/

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Numbermatics. 2024. "Number 197 - Facts about the integer". https://numbermatics.com/n/197/

The information we have on file for 197 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 197, math, Factors of 197, curriculum, school, college, exams, university, Prime factorization of 197, STEM, science, technology, engineering, physics, economics, calculator, one hundred ninety-seven.

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