13518671868

Names of 13518671868

• Cardinal: 13518671868 can be written as Thirteen billion, five hundred eighteen million, six hundred seventy-one thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 1.3518671868 × 10¹⁰

Factors of 13518671868

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 67470

Divisors of 13518671868

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 431 468 862 1293 1724 2586 3879 5172 5603 7758 11206 15516 16809 22412 33618 50427 67021 67236 100854 134042 201063 201708 268084 402126 603189 804252 871273 1206378 1742546 2412756 2613819 3485092 5227638 7841457 10455276 15682914 28886051 31365828 57772102 86658153 115544204 173316306 259974459 346632612 375518663 519948918 751037326 1039897836 1126555989 1502074652 2253111978 3379667967 4506223956 6759335934 13518671868
• Sum of all divisors σ(n): 36886764096
• Sum of proper divisors (its aliquot sum) s(n): 23368092228
• 13518671868 is an abundant number, because the sum of its proper divisors (23368092228) is greater than itself. Its abundance is 9849420360

Bases of 13518671868

• Binary: 1100100101110001101000111111111100₂
• Hexadecimal: 0x325C68FFC
• Base-36: 67KO1Z0

Squares and roots of 13518671868

• 13518671868 squared (13518671868²) is 182754489074654609424
• 13518671868 cubed (13518671868³) is 2470597970204246620236756484032
• The square root of 13518671868 is 116269.8235485029
• The cube root of 13518671868 is 2382.1988404883

Scales and comparisons

• 13,518,671,868 seconds is equal to 429 years, 44 weeks, 2 days, 2 hours, 37 minutes, 48 seconds.
• To count from 1 to 13,518,671,868 would take you about eight hundred fifty-nine 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 13518671868 cubic inches would be around 198.5 feet tall.

Recreational maths with 13518671868

• 13518671868 backwards is 86817681531
• The number of decimal digits it has is: 11
• The sum of 13518671868's digits is 54
• More coming soon!