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

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

Prime factorization of 199:


See below for interesting mathematical facts about the number 199 from the Numbermatics database.

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Names Factors Divisors Scales Roots Fun

Names of 199

  • Cardinal: 199 can be written as One hundred ninety-nine.

Scientific notation

  • Scientific notation: 1.99 × 102

Factors of 199

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 199

Divisors of 199

  • Number of divisors d(n): 2
  • Complete list of divisors:
    1 199
  • Sum of all divisors σ(n): 200
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 199 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 198

Bases of 199

  • Binary: 11000111 2
  • Hexadecimal: 0xc7

Squares and roots of 199

  • 199 squared (1992) is 39601
  • 199 cubed (1993) is 7880599
  • The square root of 199 is 14.1067359797
  • The cube root of 199 is 5.8382724609

Scales and comparisons

How big is 199?
  • 199 seconds is equal to 3 minutes, 19 seconds.
  • To count from 1 to 199 would take you about one minute.

    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.

    Note: we do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!

  • A cube with a volume of 199 cubic inches would be around 0.5 feet tall.

Recreational maths with 199

  • 199 backwards is 991
  • The number of decimal digits it has is: 3
  • The sum of 199's digits is 19
  • More coming soon!

The information we have on file for 199 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!

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