705

705 is an odd composite number composed of three prime numbers multiplied together.

What does the number 705 look like?

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

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

Prime factorization of 705:

3 × 5 × 47

See below for interesting mathematical facts about the number 705 from the Numbermatics database.


Names of 705

  • Cardinal: 705 can be written as Seven hundred five.

Scientific notation

  • Scientific notation: 7.05 × 102

Factors of 705

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 55

Divisors of 705

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1152
  • Sum of proper divisors (its aliquot sum) s(n): 447
  • 705 is a deficient number, because the sum of its proper divisors (447) is less than itself. Its deficiency is 258

Bases of 705

  • Binary: 10110000012
  • Hexadecimal: 0x2C1
  • Base-36: JL

Squares and roots of 705

  • 705 squared (7052) is 497025
  • 705 cubed (7053) is 350402625
  • The square root of 705 is 26.5518360947
  • The cube root of 705 is 8.9001304529

Scales and comparisons

How big is 705?
  • 705 seconds is equal to 11 minutes, 45 seconds.
  • To count from 1 to 705 would take you about five 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 705 cubic inches would be around 0.7 feet tall.

Recreational maths with 705

  • 705 backwards is 507
  • The number of decimal digits it has is: 3
  • The sum of 705's digits is 12
  • More coming soon!

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"Number 705 - Facts about the integer". Numbermatics.com. 2020. Web. 27 January 2020.

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The information we have on file for 705 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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