12721661581468

Names of 12721661581468

• Cardinal: 12721661581468 can be written as Twelve trillion, seven hundred twenty-one billion, six hundred sixty-one million, five hundred eighty-one thousand, four hundred sixty-eight.

Scientific notation

• Scientific notation: 1.2721661581468 × 10¹³

Factors of 12721661581468

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 176097

Divisors of 12721661581468

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 17 28 34 68 119 179 238 358 476 716 853 1253 1706 2506 3043 3412 5012 5971 6086 11942 12172 14501 21301 23884 29002 42602 58004 85204 101507 152687 175039 203014 305374 350078 406028 610748 700156 1068809 1225273 2137618 2450546 2595679 2975663 4275236 4901092 5191358 5951326 10382716 11902652 18169753 20829641 31331981 36339506 41659282 62663962 72679012 83318564 125327924 149308267 219323867 298616534 438647734 532643677 597233068 877295468 1045157869 1065287354 2090315738 2130574708 2538240539 3728505739 4180631476 5076481078 7457011478 10152962156 14914022956 17767683773 26726179793 35535367546 53452359586 71070735092 106904719172 187083258551 374166517102 454345056481 748333034204 908690112962 1817380225924 3180415395367 6360830790734 12721661581468
• Sum of all divisors σ(n): 27122405990400
• Sum of proper divisors (its aliquot sum) s(n): 14400744408932
• 12721661581468 is an abundant number, because the sum of its proper divisors (14400744408932) is greater than itself. Its abundance is 1679082827464

Bases of 12721661581468

• Binary: 10111001000111111110000111101001100010011100₂
• Hexadecimal: 0xB91FE1E989C
• Base-36: 4IC90UBA4

Squares and roots of 12721661581468

• 12721661581468 squared (12721661581468²) is 161840673393398894801035024
• 12721661581468 cubed (12721661581468³) is 2058882277027713054146298586623097335232
• The square root of 12721661581468 is 3566743.8345734895
• The cube root of 12721661581468 is 23344.3227757953

Scales and comparisons

• 12,721,661,581,468 seconds is equal to 404,509 years, 25 weeks, 2 days, 11 hours, 44 minutes, 28 seconds.
• To count from 1 to 12,721,661,581,468 would take you about one million, eleven thousand, two hundred seventy-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 12721661581468 cubic inches would be around 1945.4 feet tall.

Recreational maths with 12721661581468

• 12721661581468 backwards is 86418516612721
• The number of decimal digits it has is: 14
• The sum of 12721661581468's digits is 58
• More coming soon!