318397212018

Names of 318397212018

• Cardinal: 318397212018 can be written as Three hundred eighteen billion, three hundred ninety-seven million, two hundred twelve thousand and eighteen.

Scientific notation

• Scientific notation: 3.18397212018 × 10¹¹

Factors of 318397212018

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1079

Divisors of 318397212018

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 6 9 18 27 43 54 81 86 129 162 258 387 774 1031 1161 1849 2062 2322 3093 3483 3698 5547 6186 6966 9279 11094 16641 18558 27837 33282 44333 49923 55674 83511 88666 99846 132999 149769 167022 265998 299538 398997 797994 1062961 1196991 1906319 2125922 2393982 3188883 3590973 3812638 5718957 6377766 7181946 9566649 11437914 17156871 19133298 28699947 34313742 45707323 51470613 57399894 86099841 91414646 102941226 137121969 154411839 172199682 274243938 308823678 411365907 822731814 1234097721 1965414889 2468195442 3702293163 3930829778 5896244667 7404586326 11792489334 17688734001 35377468002 53066202003 106132404006 159198606009 318397212018
• Sum of all divisors σ(n): 731132365887
• Sum of proper divisors (its aliquot sum) s(n): 412735153869
• 318397212018 is an abundant number, because the sum of its proper divisors (412735153869) is greater than itself. Its abundance is 94337941851

Bases of 318397212018

• Binary: 100101000100001111100111110010101110010₂
• Hexadecimal: 0x4A21F3E572
• Base-36: 429PH94I

Squares and roots of 318397212018

• 318397212018 squared (318397212018²) is 101376784620835243632324
• 318397212018 cubed (318397212018³) is 32278085586623200807047749066069832
• The square root of 318397212018 is 564266.9687461779
• The cube root of 318397212018 is 6828.4649637347

Scales and comparisons

• 318,397,212,018 seconds is equal to 10,124 years, 2 weeks, 2 days, 22 hours, 18 seconds.
• To count from 1 to 318,397,212,018 would take you about twenty thousand, two hundred forty-eight 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 318397212018 cubic inches would be around 569 feet tall.

Recreational maths with 318397212018

• 318397212018 backwards is 810212793813
• The number of decimal digits it has is: 12
• The sum of 318397212018's digits is 45
• More coming soon!