18171090975751968

Names of 18171090975751968

• Cardinal: 18171090975751968 can be written as Eighteen quadrillion, one hundred seventy-one trillion, ninety billion, nine hundred seventy-five million, seven hundred fifty-one thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8171090975751968 × 10¹⁶

Factors of 18171090975751968

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 24664

Divisors of 18171090975751968

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 71 96 127 142 213 229 254 284 381 426 458 508 568 687 762 852 916 1016 1136 1374 1524 1704 1832 2032 2272 2748 3048 3408 3664 4064 4691 5496 6096 6816 7328 9017 9382 10992 12192 14073 16259 18034 18764 19541 21984 27051 28146 29083 32518 36068 37528 39082 48777 54102 56292 58166 58623 65036 72136 75056 78164 87249 97554 108204 112584 116332 117246 130072 144272 150112 156328 174498 195108 216408 225168 232664 234492 260144 288544 312656 333061 348996 390216 432816 450336 465328 468984 520288 595757 625312 666122 697992 780432 865632 930656 937968 999183 1074239 1191514 1332244 1387411 1395984 1560864 1787271 1875936 1998366 2064893 2148478 2383028 2481707 2664488 2774822 2791968 3222717 3574542 3996732 4129786 4162233 4296956 4474889 4766056 4963414 5328976 5549644 6194679 6445434 7149084 7445121 7993464 8259572 8324466 8593912 8949778 9532112 9926828 10657952 11099288 12389358 12890868 13424667 14298168 14890242 15986928 16519144 16648932 17187824 17899556 19064224 19853656 22198576 24778716 25781736 26849334 28596336 29780484 31973856 33038288 33297864 34375648 35799112 39707312 42298747 44397152 49557432 51563472 53698668 57192672 59560968 66076576 66595728 71598224 76270969 79414624 84597494 91666831 99114864 103126944 107397336 119121936 126896241 133191456 136428353 143196448 152541938 169194988 176201197 183333662 198229728 214794672 228812907 238243872 253792482 272856706 275000493 305083876 317717119 338389976 352402394 366667324 409285059 429589344 457625814 507584964 528603591 545713412 550000986 568310903 610167752 635434238 676779952 704804788 733334648 818570118 915251628 953151357 1015169928 1057207182 1091426824 1100001972 1136621806 1220335504 1270868476 1353559904 1409609576 1466669296 1637140236 1704932709 1830503256 1906302714 2030339856 2114414364 2182853648 2200003944 2273243612 2440671008 2541736952 2819219152 2933338592 3274280472 3409865418 3661006512 3812605428 4060679712 4228828728 4365707296 4400007888 4546487224 5083473904 5638438304 6508345001 6548560944 6819730836 7322013024 7625210856 8457657456 8800015776 9092974448 9686413063 10166947808 11641687537 13016690002 13097121888 13639461672 15250421712 16915314912 18185948896 19372826126 19525035003 20991704299 23283375074 26033380004 27278923344 29059239189 30500843424 34925062611 38745652252 39050070006 40350074113 41983408598 46566750148 52066760008 54557846688 58118478378 62975112897 69850125222 77491304504 78100140012 80700148226 83966817196 93133500296 104133520016 116236956756 121050222339 125950225794 139700250444 154982609008 156200280024 161400296452 167933634392 186267000592 208267040032 232473913512 242100444678 251900451588 279400500888 309965218016 312400560048 322800592904 335867268784 372534001184 464947827024 484200889356 503800903176 558801001776 624801120096 645601185808 671734537568 826559815127 929895654048 968401778712 1007601806352 1117602003552 1291202371616 1490411005229 1653119630254 1936803557424 2015203612704 2479679445381 2665946445973 2980822010458 3306239260508 3873607114848 4471233015687 4959358890762 5331892891946 5961644020916 6612478521016 7997839337919 8942466031374 9918717781524 10663785783892 11923288041832 13224957042032 15995678675838 17884932062748 19837435563048 21327571567784 23846576083664 26449914084064 31991357351676 35769864125496 39674871126096 42655143135568 47693152167328 63982714703352 71539728250992 79349742252192 85310286271136 127965429406704 143079456501984 189282197664083 255930858813408 378564395328166 567846592992249 757128790656332 1135693185984498 1514257581312664 2271386371968996 3028515162625328 4542772743937992 6057030325250656 9085545487875984 18171090975751968
• Sum of all divisors σ(n): 48977640063959040
• Sum of proper divisors (its aliquot sum) s(n): 30806549088207072
• 18171090975751968 is an abundant number, because the sum of its proper divisors (30806549088207072) is greater than itself. Its abundance is 12635458112455104

Bases of 18171090975751968

• Binary: 1000000100011101000001011001110110010100111111100100000₂
• Hexadecimal: 0x408E82CECA7F20
• Base-36: 4YX43YBAOTC

Squares and roots of 18171090975751968

• 18171090975751968 squared (18171090975751968²) is 330188547249054608502143055873024
• 18171090975751968 cubed (18171090975751968³) is 5999886131213948495333227046579366661797126111232
• The square root of 18171090975751968 is 134800189.0790660871
• The cube root of 18171090975751968 is 262901.8653746997

Scales and comparisons

• 18,171,090,975,751,968 seconds is equal to 577,784,486 years, 8 weeks, 2 hours, 12 minutes, 48 seconds.
• To count from 1 to 18,171,090,975,751,968 would take you about one billion, seven hundred thirty-three million, three hundred fifty-three thousand, four hundred fifty-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 18171090975751968 cubic inches would be around 21908.5 feet tall.

Recreational maths with 18171090975751968

• 18171090975751968 backwards is 86915757909017181
• The number of decimal digits it has is: 17
• The sum of 18171090975751968's digits is 84
• More coming soon!