18728829594402048

Names of 18728829594402048

• Cardinal: 18728829594402048 can be written as Eighteen quadrillion, seven hundred twenty-eight trillion, eight hundred twenty-nine billion, five hundred ninety-four million, four hundred two thousand and forty-eight.

Scientific notation

• Scientific notation: 1.8728829594402048 × 10¹⁶

Factors of 18728829594402048

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 2648690920

Divisors of 18728829594402048

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 31 32 33 36 44 48 54 62 64 66 72 81 88 93 96 99 108 124 128 132 144 162 176 186 192 198 216 248 256 264 279 288 297 324 341 352 372 384 396 432 496 528 558 576 594 648 682 704 744 768 792 837 864 891 992 1023 1056 1116 1152 1188 1296 1364 1408 1488 1584 1674 1728 1782 1984 2046 2112 2232 2304 2376 2511 2592 2728 2816 2976 3069 3168 3348 3456 3564 3968 4092 4224 4464 4752 5022 5184 5456 5952 6138 6336 6696 6912 7128 7936 8184 8448 8928 9207 9504 10044 10368 10912 11904 12276 12672 13392 14256 16368 17856 18414 19008 20088 20736 21824 23808 24552 25344 26784 27621 28512 32736 35712 36828 38016 40176 43648 49104 53568 55242 57024 65472 71424 73656 76032 80352 87296 98208 107136 110484 114048 130944 147312 160704 196416 214272 220968 228096 261888 294624 321408 392832 441936 589248 642816 785664 883872 1178496 1767744 2356992 3535488 7070976 2648690873 5297381746 7946072619 10594763492 15892145238 21189526984 23838217857 29135599603 31784290476 42379053968 47676435714 58271199206 63568580952 71514653571 82109417063 84758107936 87406798809 95352871428 116542398412 127137161904 143029307142 164218834126 169516215872 174813597618 190705742856 214543960713 233084796824 246328251189 254274323808 262220396427 286058614284 328437668252 339032431744 349627195236 381411485712 429087921426 466169593648 492656502378 508548647616 524440792854 572117228568 656875336504 678064863488 699254390472 738984753567 762822971424 786661189281 858175842852 903203587693 932339187296 985313004756 1017097295232 1048881585708 1144234457136 1313750673008 1398508780944 1477969507134 1525645942848 1573322378562 1716351685704 1806407175386 1864678374592 1970626009512 2034194590464 2097763171416 2216954260701 2288468914272 2359983567843 2627501346016 2709610763079 2797017561888 2955939014268 3051291885696 3146644757124 3432703371408 3612814350772 3729356749184 3941252019024 4195526342832 4433908521402 4576937828544 4719967135686 5255002692032 5419221526158 5594035123776 5911878028536 6102583771392 6293289514248 6650862782103 6865406742816 7225628701544 7458713498368 7882504038048 8128832289237 8391052685664 8867817042804 9153875657088 9439934271372 10510005384064 10838443052316 11188070247552 11823756057072 12586579028496 13301725564206 13730813485632 14451257403088 15765008076096 16257664578474 16782105371328 17735634085608 18307751314176 18879868542744 21020010768128 21676886104632 22376140495104 23647512114144 24386496867711 25173158056992 26603451128412 27461626971264 28902514806176 31530016152192 32515329156948 33564210742656 35471268171216 37759737085488 43353772209264 47295024228288 48772993735422 50346316113984 53206902256824 54923253942528 57805029612352 63060032304384 65030658313896 67128421485312 70942536342432 73159490603133 75519474170976 86707544418528 94590048456576 97545987470844 100692632227968 106413804513648 115610059224704 130061316627792 141885072684864 146318981206266 151038948341952 173415088837056 189180096913152 195091974941688 201385264455936 212827609027296 231220118449408 260122633255584 283770145369728 292637962412532 302077896683904 346830177674112 390183949883376 425655218054592 520245266511168 567540290739456 585275924825064 604155793367808 693660355348224 780367899766752 851310436109184 1040490533022336 1170551849650128 1560735799533504 1702620872218368 2080981066044672 2341103699300256 3121471599067008 4682207398600512 6242943198134016 9364414797201024 18728829594402048
• Sum of all divisors σ(n): 62888142885232896
• Sum of proper divisors (its aliquot sum) s(n): 44159313290830848
• 18728829594402048 is an abundant number, because the sum of its proper divisors (44159313290830848) is greater than itself. Its abundance is 25430483696428800

Bases of 18728829594402048

• Binary: 1000010100010011100010101110011000010000111110100000000₂
• Hexadecimal: 0x4289C573087D00
• Base-36: 54ETDJCGG00

Squares and roots of 18728829594402048

• 18728829594402048 squared (18728829594402048²) is 350769057976149981797378666594304
• 18728829594402048 cubed (18728829594402048³) is 6569493913824245523490502030417332445179482734592
• The square root of 18728829594402048 is 136853314.1520586195
• The cube root of 18728829594402048 is 265564.6183612651

Scales and comparisons

• 18,728,829,594,402,048 seconds is equal to 595,518,849 years, 1 week, 3 days, 7 hours, 40 minutes, 48 seconds.
• To count from 1 to 18,728,829,594,402,048 would take you about one billion, seven hundred eighty-six million, five hundred fifty-six thousand, five hundred forty-seven 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 18728829594402048 cubic inches would be around 22130.4 feet tall.

Recreational maths with 18728829594402048

• 18728829594402048 backwards is 84020449592882781
• 18728829594402048 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18728829594402048's digits is 81
• More coming soon!