355

355 is an odd composite number composed of two prime numbers multiplied together.

What does the number 355 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

355 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 355:

5 × 71

See below for interesting mathematical facts about the number 355 from the Numbermatics database.


Names of 355

  • Cardinal: 355 can be written as Three hundred fifty-five.

Scientific notation

  • Scientific notation: 3.55 × 102

Factors of 355

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 76

Divisors of 355

  • Number of divisors d(n): 4
  • Complete list of divisors:
    1 5 71 355
  • Sum of all divisors σ(n): 432
  • Sum of proper divisors (its aliquot sum) s(n): 77
  • 355 is a deficient number, because the sum of its proper divisors (77) is less than itself. Its deficiency is 278

Bases of 355

  • Binary: 1011000112
  • Hexadecimal: 0x163
  • Base-36: 9V

Squares and roots of 355

  • 355 squared (3552) is 126025
  • 355 cubed (3553) is 44738875
  • The square root of 355 is 18.8414436815
  • The cube root of 355 is 7.0806987513

Scales and comparisons

How big is 355?
  • 355 seconds is equal to 5 minutes, 55 seconds.
  • To count from 1 to 355 would take you about two 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 355 cubic inches would be around 0.6 feet tall.

Recreational maths with 355

  • 355 backwards is 553
  • The number of decimal digits it has is: 3
  • The sum of 355's digits is 13
  • More coming soon!

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The information we have on file for 355 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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