1275

1,275 is an odd composite number composed of three prime numbers multiplied together.

What does the number 1275 look like?

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

1275 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 1275:

3 × 52 × 17

(3 × 5 × 5 × 17)

See below for interesting mathematical facts about the number 1275 from the Numbermatics database.


Names of 1275

  • Cardinal: 1275 can be written as One thousand, two hundred seventy-five.

Scientific notation

  • Scientific notation: 1.275 × 103

Factors of 1275

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 25

Divisors of 1275

  • Number of divisors d(n): 12
  • Complete list of divisors:
  • Sum of all divisors σ(n): 2232
  • Sum of proper divisors (its aliquot sum) s(n): 957
  • 1275 is a deficient number, because the sum of its proper divisors (957) is less than itself. Its deficiency is 318

Bases of 1275

  • Binary: 100111110112
  • Hexadecimal: 0x4FB
  • Base-36: ZF

Squares and roots of 1275

  • 1275 squared (12752) is 1625625
  • 1275 cubed (12753) is 2072671875
  • The square root of 1275 is 35.7071421427
  • The cube root of 1275 is 10.8435144263

Scales and comparisons

How big is 1275?
  • 1,275 seconds is equal to 21 minutes, 15 seconds.
  • To count from 1 to 1,275 would take you about twenty-one 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 1275 cubic inches would be around 0.9 feet tall.

Recreational maths with 1275

  • 1275 backwards is 5721
  • 1275 is a Harshad number.
  • The number of decimal digits it has is: 4
  • The sum of 1275's digits is 15
  • More coming soon!

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The information we have on file for 1275 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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