12801916764

Names of 12801916764

• Cardinal: 12801916764 can be written as Twelve billion, eight hundred one million, nine hundred sixteen thousand, seven hundred sixty-four.

Scientific notation

• Scientific notation: 1.2801916764 × 10¹⁰

Factors of 12801916764

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3907814

Divisors of 12801916764

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 52 63 78 84 91 117 126 156 182 234 252 273 364 468 546 819 1092 1638 3276 3907789 7815578 11723367 15631156 23446734 27354523 35170101 46893468 50801257 54709046 70340202 82063569 101602514 109418092 140680404 152403771 164127138 203205028 246190707 304807542 328254276 355608799 457211313 492381414 609615084 711217598 914422626 984762828 1066826397 1422435196 1828845252 2133652794 3200479191 4267305588 6400958382 12801916764
• Sum of all divisors σ(n): 39828195680
• Sum of proper divisors (its aliquot sum) s(n): 27026278916
• 12801916764 is an abundant number, because the sum of its proper divisors (27026278916) is greater than itself. Its abundance is 14224362152

Bases of 12801916764

• Binary: 1011111011000011011011111101011100₂
• Hexadecimal: 0x2FB0DBF5C
• Base-36: 5VPXI70

Squares and roots of 12801916764

• 12801916764 squared (12801916764²) is 163889072832384231696
• 12801916764 cubed (12801916764³) is 2098094268929316657838282551744
• The square root of 12801916764 is 113145.5556528847
• The cube root of 12801916764 is 2339.3309483245

Scales and comparisons

• 12,801,916,764 seconds is equal to 407 years, 3 weeks, 1 day, 7 hours, 59 minutes, 24 seconds.
• To count from 1 to 12,801,916,764 would take you about eight hundred 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 12801916764 cubic inches would be around 194.9 feet tall.

Recreational maths with 12801916764

• 12801916764 backwards is 46761910821
• The number of decimal digits it has is: 11
• The sum of 12801916764's digits is 45
• More coming soon!