311428857

Names of 311428857

• Cardinal: 311428857 can be written as Three hundred eleven million, four hundred twenty-eight thousand, eight hundred fifty-seven.

Scientific notation

• Scientific notation: 3.11428857 × 10⁸

Factors of 311428857

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 39479

Divisors of 311428857

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 2833 8499 36643 109929 103809619 311428857
• Sum of all divisors σ(n): 415396384
• Sum of proper divisors (its aliquot sum) s(n): 103967527
• 311428857 is a deficient number, because the sum of its proper divisors (103967527) is less than itself. Its deficiency is 207461330

Bases of 311428857

• Binary: 10010100100000000011011111001₂
• Hexadecimal: 0x129006F9
• Base-36: 55F01L

Squares and roots of 311428857

• 311428857 squared (311428857²) is 96987932972326449
• 311428857 cubed (311428857³) is 30204841108364238642938793
• The square root of 311428857 is 17647.3470244113
• The cube root of 311428857 is 677.8281754087

Scales and comparisons

• 311,428,857 seconds is equal to 9 years, 46 weeks, 6 days, 12 hours, 57 seconds.
• To count from 1 to 311,428,857 would take you about fourteen 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 311428857 cubic inches would be around 56.5 feet tall.

Recreational maths with 311428857

• 311428857 backwards is 758824113
• The number of decimal digits it has is: 9
• The sum of 311428857's digits is 39
• More coming soon!