21408863375736

Names of 21408863375736

• Cardinal: 21408863375736 can be written as Twenty-one trillion, four hundred eight billion, eight hundred sixty-three million, three hundred seventy-five thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 2.1408863375736 × 10¹³

Factors of 21408863375736

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 132

Divisors of 21408863375736

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 127 162 216 254 324 381 508 648 762 1016 1143 1524 2286 3048 3429 4572 6858 9144 10287 13716 16129 20574 27432 32258 41148 48387 64516 82296 96774 129032 145161 193548 290322 387096 435483 580644 870966 1161288 1306449 1741932 2048383 2612898 3483864 4096766 5225796 6145149 8193532 10451592 12290298 16387064 18435447 24580596 36870894 49161192 55306341 73741788 110612682 147483576 165919023 221225364 260144641 331838046 442450728 520289282 663676092 780433923 1040578564 1327352184 1560867846 2081157128 2341301769 3121735692 4682603538 6243471384 7023905307 9365207076 14047810614 18730414152 21071715921 28095621228 33038369407 42143431842 56191242456 66076738814 84286863684 99115108221 132153477628 168573727368 198230216442 264306955256 297345324663 396460432884 594690649326 792920865768 892035973989 1189381298652 1784071947978 2378762597304 2676107921967 3568143895956 5352215843934 7136287791912 10704431687868 21408863375736
• Sum of all divisors σ(n): 60440550318720
• Sum of proper divisors (its aliquot sum) s(n): 39031686942984
• 21408863375736 is an abundant number, because the sum of its proper divisors (39031686942984) is greater than itself. Its abundance is 17622823567248

Bases of 21408863375736

• Binary: 100110111100010100011101100100101000101111000₂
• Hexadecimal: 0x1378A3B25178
• Base-36: 7L73GHRI0

Squares and roots of 21408863375736

• 21408863375736 squared (21408863375736²) is 458339431040930237513541696
• 21408863375736 cubed (21408863375736³) is 9812526258867847309079838536839750688256
• The square root of 21408863375736 is 4626971.2961867399
• The cube root of 21408863375736 is 27767.1434261363

Scales and comparisons

• 21,408,863,375,736 seconds is equal to 680,735 years, 32 weeks, 6 days, 13 hours, 15 minutes, 36 seconds.
• To count from 1 to 21,408,863,375,736 would take you about one million, seven hundred one thousand, eight hundred thirty-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 21408863375736 cubic inches would be around 2313.9 feet tall.

Recreational maths with 21408863375736

• 21408863375736 backwards is 63757336880412
• The number of decimal digits it has is: 14
• The sum of 21408863375736's digits is 63
• More coming soon!