1228

1,228 is an even composite number composed of two prime numbers multiplied together.

1228 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 1228:

22 × 307

(2 × 2 × 307)

See below for interesting mathematical facts about the number 1228 from the Numbermatics database.

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Names Factors Divisors Scales Roots Fun

Names of 1228

  • Cardinal: 1228 can be written as One thousand, two hundred twenty-eight.

Scientific notation

  • Scientific notation: 1.228 × 103

Factors of 1228

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 309

Divisors of 1228

  • Number of divisors d(n): 6
  • Complete list of divisors:
  • Sum of all divisors σ(n): 2156
  • Sum of proper divisors (its aliquot sum) s(n): 928
  • 1228 is a deficient number, because the sum of its proper divisors (928) is less than itself. Its deficiency is 300

Bases of 1228

  • Binary: 10011001100 2
  • Hexadecimal: 0x4CC
  • Base-36: Y4

Squares and roots of 1228

  • 1228 squared (12282) is 1507984
  • 1228 cubed (12283) is 1851804352
  • The square root of 1228 is 35.0428309359
  • The cube root of 1228 is 10.7086022767

Scales and comparisons

How big is 1228?
  • 1,228 seconds is equal to 20 minutes, 28 seconds.
  • To count from 1 to 1,228 would take you about twenty 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.

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

  • A cube with a volume of 1228 cubic inches would be around 0.9 feet tall.

Recreational maths with 1228

  • 1228 backwards is 8221
  • The number of decimal digits it has is: 4
  • The sum of 1228's digits is 13
  • More coming soon!

The information we have on file for 1228 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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