1315228881

Names of 1315228881

• Cardinal: 1315228881 can be written as One billion, three hundred fifteen million, two hundred twenty-eight thousand, eight hundred eighty-one.

Scientific notation

• Scientific notation: 1.315228881 × 10⁹

Factors of 1315228881

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 127831

Divisors of 1315228881

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 3527 10581 124301 372903 438409627 1315228881
• Sum of all divisors σ(n): 1754149824
• Sum of proper divisors (its aliquot sum) s(n): 438920943
• 1315228881 is a deficient number, because the sum of its proper divisors (438920943) is less than itself. Its deficiency is 876307938

Bases of 1315228881

• Binary: 1001110011001001100110011010001₂
• Hexadecimal: 0x4E64CCD1
• Base-36: LR1X3L

Squares and roots of 1315228881

• 1315228881 squared (1315228881²) is 1729827009416512161
• 1315228881 cubed (1315228881³) is 2275118441918455752434921841
• The square root of 1315228881 is 36266.0844453879
• The cube root of 1315228881 is 1095.6380651857

Scales and comparisons

• 1,315,228,881 seconds is equal to 41 years, 42 weeks, 4 days, 13 hours, 21 minutes, 21 seconds.
• To count from 1 to 1,315,228,881 would take you about eighty-three years!

  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 1315228881 cubic inches would be around 91.3 feet tall.

Recreational maths with 1315228881

• 1315228881 backwards is 1888225131
• The number of decimal digits it has is: 10
• The sum of 1315228881's digits is 39
• More coming soon!