21643448622318

Names of 21643448622318

• Cardinal: 21643448622318 can be written as Twenty-one trillion, six hundred forty-three billion, four hundred forty-eight million, six hundred twenty-two thousand, three hundred eighteen.

Scientific notation

• Scientific notation: 2.1643448622318 × 10¹³

Factors of 21643448622318

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 179

Divisors of 21643448622318

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 9 18 27 54 73 101 146 202 219 303 438 606 657 909 1314 1818 1971 2727 3942 5329 5454 7373 10201 10658 14746 15987 20402 22119 30603 31974 44238 47961 61206 66357 91809 95922 132714 143883 183618 199071 275427 287766 389017 398142 538229 550854 744673 778034 1030301 1076458 1167051 1489346 1614687 2060602 2234019 2334102 3090903 3229374 3501153 4468038 4844061 6181806 6702057 7002306 9272709 9688122 10503459 13404114 14532183 18545418 20106171 21006918 27818127 29064366 39290717 40212342 54361129 55636254 75211973 78581434 108722258 117872151 150423946 163083387 225635919 235744302 326166774 353616453 451271838 489250161 676907757 707232906 978500322 1060849359 1353815514 1467750483 2030723271 2121698718 2935500966 3968362417 4061446542 5490474029 7936724834 10980948058 11905087251 16471422087 23810174502 32942844174 35715261753 49414266261 71430523506 98828532522 107145785259 148242798783 214291570518 296485597566 400804604117 801609208234 1202413812351 2404827624702 3607241437053 7214482874106 10821724311159 21643448622318
• Sum of all divisors σ(n): 49252203561600
• Sum of proper divisors (its aliquot sum) s(n): 27608754939282
• 21643448622318 is an abundant number, because the sum of its proper divisors (27608754939282) is greater than itself. Its abundance is 5965306316964

Bases of 21643448622318

• Binary: 100111010111101000010000100010001110011101110₂
• Hexadecimal: 0x13AF42111CEE
• Base-36: 7O6V2HQ7I

Squares and roots of 21643448622318

• 21643448622318 squared (21643448622318²) is 468438868266918932207693124
• 21643448622318 cubed (21643448622318³) is 10138632578031849651585187382878721541432
• The square root of 21643448622318 is 4652251.9947137429
• The cube root of 21643448622318 is 27868.1937026247

Scales and comparisons

• 21,643,448,622,318 seconds is equal to 688,194 years, 37 weeks, 2 days, 13 hours, 45 minutes, 18 seconds.
• To count from 1 to 21,643,448,622,318 would take you about one million, seven hundred twenty thousand, four hundred eighty-six 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 21643448622318 cubic inches would be around 2322.3 feet tall.

Recreational maths with 21643448622318

• 21643448622318 backwards is 81322684434612
• 21643448622318 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21643448622318's digits is 54
• More coming soon!