18398121934543792

Names of 18398121934543792

• Cardinal: 18398121934543792 can be written as Eighteen quadrillion, three hundred ninety-eight trillion, one hundred twenty-one billion, nine hundred thirty-four million, five hundred forty-three thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.8398121934543792 × 10¹⁶

Factors of 18398121934543792

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2089

Divisors of 18398121934543792

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 7 8 14 16 28 43 56 86 97 112 172 194 301 344 373 388 602 679 688 746 776 1204 1358 1492 1552 1567 1849 2408 2611 2716 2984 3134 3698 4171 4816 5222 5432 5968 6268 7396 8342 10444 10864 10969 12536 12943 14792 16039 16684 20888 21938 25072 25886 29197 29584 32078 33368 36181 41776 43876 51772 58394 64156 66736 67381 72362 87752 103544 112273 116788 128312 134762 144724 151999 175504 179353 207088 224546 233576 253267 256624 269524 289448 303998 358706 449092 467152 471667 506534 539048 578896 584491 607996 689677 717412 898184 943334 1013068 1063993 1078096 1168982 1215992 1255471 1379354 1434824 1555783 1796368 1886668 2026136 2127986 2337964 2431984 2455489 2510942 2758708 2869648 2897383 3111566 3773336 4052272 4091437 4255972 4675928 4827739 4910978 5021884 5517416 5794766 6223132 6535957 7546672 8182874 8511944 9351856 9655478 9821956 10043768 10890481 11034832 11589532 12446264 13071914 16365748 17023888 17188423 19310956 19643912 20087536 20281681 21780962 23179064 24892528 25133113 26143828 32731496 34376846 38621912 39287824 40563362 43561924 45751699 46358128 50266226 52287656 56695627 65462992 66898669 68753692 77243824 81126724 87123848 91503398 100532452 104575312 105586027 113391254 133797338 137507384 162253448 174247696 175931791 183006796 201064904 211172054 226782508 238182433 267594676 275014768 281046151 324506896 351863582 366013592 396869389 402129808 422344108 453565016 468290683 476364866 535189352 562092302 703727164 732027184 739102189 793738778 844688216 907130032 915897397 936581366 952729732 1070378704 1080723859 1124184604 1407454328 1478204378 1587477556 1667277031 1689376432 1831794794 1873162732 1905459464 1967323057 2161447718 2248369208 2437911961 2814908656 2956408756 3174955112 3334554062 3663589588 3746325464 3810918928 3934646114 4322895436 4496738416 4540199161 4875823922 5912817512 6349910224 6411281779 6669108124 7327179176 7492650928 7565067013 7869292228 8645790872 9080398322 9751647844 10241844619 11825635024 12822563558 13338216248 14654358352 15130134026 15738584456 17065383727 17291581744 18160796644 19503295688 20483689238 25645127116 26676432496 30260268052 31477168912 31781394127 34130767454 36321593288 39006591376 39383588071 40967378476 51290254232 60520536104 63562788254 68261534908 71692912333 72643186576 78767176142 81934756952 88842047509 102580508464 104830214323 121041072208 127125576508 136523069816 143385824666 157534352284 163869513904 177684095018 209660428646 254251153016 273046139632 275685116497 286771649332 315068704568 355368190036 419320857292 440399318617 508502306032 551370232994 573543298664 621894332563 630137409136 710736380072 733811500261 838641714584 880798637234 1102740465988 1147086597328 1243788665126 1421472760144 1467623000522 1677283429168 1693494287053 1761597274468 2205480931976 2487577330252 2935246001044 3082795230319 3386988574106 3523194548936 3820208042887 4410961863952 4975154660504 5870492002088 6165590460638 6773977148212 7046389097872 7640416085774 9950309321008 11740984004176 11854460009371 12331180921276 13547954296424 15280832171548 23708920018742 24662361842552 26741456300209 27095908592848 30561664343096 47417840037484 49324723685104 53482912600418 61123328686192 94835680074968 106965825200836 164268945844141 189671360149936 213931650401672 328537891688282 427863300803344 657075783376564 1149882620908987 1314151566753128 2299765241817974 2628303133506256 4599530483635948 9199060967271896 18398121934543792
• Sum of all divisors σ(n): 42278074942584096
• Sum of proper divisors (its aliquot sum) s(n): 23879953008040304
• 18398121934543792 is an abundant number, because the sum of its proper divisors (23879953008040304) is greater than itself. Its abundance is 5481831073496512

Bases of 18398121934543792

• Binary: 1000001010111001111111010010010011100010101101110110000₂
• Hexadecimal: 0x415CFE92715BB0
• Base-36: 515L8JAE94G

Squares and roots of 18398121934543792

• 18398121934543792 squared (18398121934543792²) is 338490890718341403401763165739264
• 18398121934543792 cubed (18398121934543792³) is 6227596681168382628471829422299481918840261849088
• The square root of 18398121934543792 is 135639676.8447337167
• The cube root of 18398121934543792 is 263992.2419597299

Scales and comparisons

• 18,398,121,934,543,792 seconds is equal to 585,003,368 years, 20 weeks, 2 days, 6 hours, 9 minutes, 52 seconds.
• To count from 1 to 18,398,121,934,543,792 would take you about one billion, seven hundred fifty-five million, ten thousand, one hundred five 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 18398121934543792 cubic inches would be around 21999.4 feet tall.

Recreational maths with 18398121934543792

• 18398121934543792 backwards is 29734543912189381
• The number of decimal digits it has is: 17
• The sum of 18398121934543792's digits is 79
• More coming soon!