21643594683121664

Names of 21643594683121664

• Cardinal: 21643594683121664 can be written as Twenty-one quadrillion, six hundred forty-three trillion, five hundred ninety-four billion, six hundred eighty-three million, one hundred twenty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1643594683121664 × 10¹⁶

Factors of 21643594683121664

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 29
• Sum of prime factors: 192

Divisors of 21643594683121664

• Number of divisors d(n): 414
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 128 176 179 242 256 352 358 484 512 704 716 968 1024 1331 1408 1432 1936 1969 2048 2662 2816 2864 3872 3938 4096 5324 5632 5728 7744 7876 8192 10648 11264 11456 14641 15488 15752 16384 21296 21659 22528 22912 29282 30976 31504 32041 32768 42592 43318 45056 45824 58564 61952 63008 64082 65536 85184 86636 90112 91648 117128 123904 126016 128164 131072 161051 170368 173272 180224 183296 234256 238249 247808 252032 256328 262144 322102 340736 346544 352451 360448 366592 468512 476498 495616 504064 512656 524288 644204 681472 693088 704902 720896 733184 937024 952996 991232 1008128 1025312 1048576 1288408 1362944 1386176 1409804 1441792 1466368 1874048 1905992 1982464 2016256 2050624 2097152 2576816 2620739 2725888 2772352 2819608 2883584 2932736 3748096 3811984 3876961 3964928 4032512 4101248 4194304 5153632 5241478 5451776 5544704 5639216 5767168 5865472 7496192 7623968 7753922 7929856 8065024 8202496 10307264 10482956 10903552 11089408 11278432 11534336 11730944 14992384 15247936 15507844 15859712 16130048 16404992 20614528 20965912 21807104 22178816 22556864 23068672 23461888 28828129 29984768 30495872 31015688 31719424 32260096 32809984 41229056 41931824 42646571 43614208 44357632 45113728 46137344 46923776 57656258 59969536 60991744 62031376 63438848 64520192 65619968 82458112 83863648 85293142 87228416 88715264 90227456 93847552 115312516 119939072 121983488 124062752 126877696 129040384 131239936 164916224 167727296 170586284 174456832 177430528 180454912 187695104 230625032 239878144 243966976 248125504 253755392 258080768 262479872 329832448 335454592 341172568 348913664 354861056 360909824 375390208 461250064 469112281 479756288 487933952 496251008 507510784 516161536 524959744 659664896 670909184 682345136 697827328 709722112 721819648 750780416 922500128 938224562 959512576 975867904 992502016 1032323072 1049919488 1319329792 1341818368 1364690272 1395654656 1419444224 1443639296 1845000256 1876449124 1919025152 1951735808 1985004032 2064646144 2099838976 2638659584 2683636736 2729380544 2791309312 2838888448 2887278592 3690000512 3752898248 3838050304 3903471616 3970008064 4129292288 4199677952 5160235091 5277319168 5367273472 5458761088 5582618624 5677776896 5774557184 7380001024 7505796496 7676100608 7806943232 7940016128 8258584576 8399355904 10320470182 10554638336 10734546944 10917522176 11355553792 11549114368 14760002048 15011592992 15352201216 15613886464 15880032256 16798711808 20640940364 21109276672 21469093888 21835044352 22711107584 23098228736 29520004096 30023185984 30704402432 31227772928 31760064512 33597423616 41281880728 42218553344 42938187776 43670088704 45422215168 46196457472 59040008192 60046371968 61408804864 62455545856 63520129024 67194847232 82563761456 84437106688 85876375552 87340177408 90844430336 92392914944 118080016384 120092743936 124911091712 127040258048 134389694464 165127522912 168874213376 171752751104 174680354816 184785829888 236160032768 240185487872 249822183424 254080516096 330255045824 337748426752 343505502208 349360709632 369571659776 472320065536 480370975744 499644366848 508161032192 660510091648 675496853504 687011004416 698721419264 739143319552 944640131072 960741951488 999288733696 1016322064384 1321020183296 1374022008832 1397442838528 1478286639104 1889280262144 1921483902976 2032644128768 2642040366592 2748044017664 2794885677056 3778560524288 3842967805952 4065288257536 5284080733184 5496088035328 5589771354112 7557121048576 7685935611904 8130576515072 10568161466368 10992176070656 11179542708224 15114242097152 15371871223808 16261153030144 21136322932736 22359085416448 30228484194304 30743742447616 42272645865472 44718170832896 60456968388608 61487484895232 84545291730944 89436341665792 120913936777216 122974969790464 169090583461888 178872683331584 245949939580928 338181166923776 491899879161856 676362333847552 983799758323712 1352724667695104 1967599516647424 2705449335390208 5410898670780416 10821797341560832 21643594683121664
• Sum of all divisors σ(n): 47883372319777932
• Sum of proper divisors (its aliquot sum) s(n): 26239777636656268
• 21643594683121664 is an abundant number, because the sum of its proper divisors (26239777636656268) is greater than itself. Its abundance is 4596182953534604

Bases of 21643594683121664

• Binary: 1001100111001001011110000010100110000000000000000000000₂
• Hexadecimal: 0x4CE4BC14C00000
• Base-36: 5X40I4T9XQ8

Squares and roots of 21643594683121664

• 21643594683121664 squared (21643594683121664²) is 468445190807252363096039826128896
• 21643594683121664 cubed (21643594683121664³) is 10138837841089760639439006550663334527666114002944
• The square root of 21643594683121664 is 147117621.9326619757
• The cube root of 21643594683121664 is 278682.5639198139

Scales and comparisons

• 21,643,594,683,121,664 seconds is equal to 688,199,362 years, 46 weeks, 1 day, 16 hours, 27 minutes, 44 seconds.
• To count from 1 to 21,643,594,683,121,664 would take you about two billion, sixty-four million, five hundred ninety-eight thousand and eighty-eight 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 21643594683121664 cubic inches would be around 23223.5 feet tall.

Recreational maths with 21643594683121664

• 21643594683121664 backwards is 46612138649534612
• The number of decimal digits it has is: 17
• The sum of 21643594683121664's digits is 71
• More coming soon!