18325491459373872

Names of 18325491459373872

• Cardinal: 18325491459373872 can be written as Eighteen quadrillion, three hundred twenty-five trillion, four hundred ninety-one billion, four hundred fifty-nine million, three hundred seventy-three thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8325491459373872 × 10¹⁶

Factors of 18325491459373872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 12803290

Divisors of 18325491459373872

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 41 48 54 72 73 81 82 108 123 144 146 162 164 216 219 243 246 292 324 328 369 432 438 486 492 584 648 656 657 729 738 876 972 984 1107 1168 1296 1314 1458 1476 1681 1752 1944 1968 1971 2214 2628 2916 2952 2993 3321 3362 3504 3888 3942 4428 5043 5256 5832 5904 5913 5986 6642 6724 7884 8856 8979 9963 10086 10512 11664 11826 11972 13284 13448 15129 15768 17712 17739 17958 19926 20172 23652 23944 26568 26896 26937 29889 30258 31536 35478 35916 39852 40344 45387 47304 47888 53136 53217 53874 59778 60516 70956 71832 79704 80688 80811 90774 94608 106434 107748 119556 121032 122713 136161 141912 143664 159408 161622 181548 212868 215496 239112 242064 242433 245426 272322 283824 323244 363096 368139 408483 425736 430992 478224 484866 490852 544644 646488 726192 727299 736278 816966 851472 969732 981704 1089288 1104417 1225449 1292976 1454598 1472556 1633932 1939464 1963408 2178576 2181897 2208834 2450898 2909196 2945112 3267864 3313251 3878928 4363794 4417668 4901796 5818392 5890224 6535728 6626502 8727588 8835336 9803592 9939753 11636784 12803171 13253004 17455176 17670672 19607184 19879506 25606342 26506008 29819259 34910352 38409513 39759012 51212684 53012016 59638518 76819026 79518024 89457777 102425368 115228539 119277036 153638052 159036048 178915554 204850736 230457078 238554072 307276104 345685617 357831108 460914156 477108144 524930011 614552208 691371234 715662216 921828312 934631483 1037056851 1049860022 1382742468 1431324432 1574790033 1843656624 1869262966 2074113702 2099720044 2765484936 2803894449 3111170553 3149580066 3738525932 4148227404 4199440088 4724370099 5530969872 5607788898 6222341106 6299160132 7477051864 8296454808 8398880176 8411683347 9333511659 9448740198 11215577796 12444682212 12598320264 14173110297 14954103728 16592909616 16823366694 18667023318 18897480396 21522130451 22431155592 24889364424 25196640528 25235050041 28346220594 33646733388 37334046636 37794960792 38319890803 42519330891 43044260902 44862311184 49778728848 50470100082 56692441188 64566391353 67293466776 74668093272 75589921584 75705150123 76639781606 85038661782 86088521804 100940200164 113384882376 114959672409 127557992673 129132782706 134586933552 149336186544 151410300246 153279563212 170077323564 172177043608 193699174059 201880400328 226769764752 227115450369 229919344818 255115985346 258265565412 302820600492 306559126424 340154647128 344354087216 344879017227 382673978019 387398348118 403760800656 454230900738 459838689636 510231970692 516531130824 581097522177 605641200984 613118252848 680309294256 681346351107 689758034454 765347956038 774796696236 908461801476 919677379272 1020463941384 1033062261648 1034637051681 1162195044354 1211282401968 1362692702214 1379516068908 1530695912076 1549593392472 1571115522923 1743292566531 1816923602952 1839354758544 2040927882768 2069274103362 2324390088708 2725385404428 2759032137816 3061391824152 3099186784944 3103911155043 3142231045846 3486585133062 3633847205904 4138548206724 4648780177416 4713346568769 5229877699593 5450770808856 5518064275632 6122783648304 6207822310086 6284462091692 6973170266124 8277096413448 9297560354832 9311733465129 9426693137538 10459755399186 10901541617712 12415644620172 12568924183384 13946340532248 14140039706307 15689633098779 16554192826896 18623466930258 18853386275076 20919510798372 24831289240344 25137848366768 27892681064496 27935200395387 28280079412614 31379266197558 37246933860516 37706772550152 41839021596744 42420119118921 49662578480688 55870400790774 56560158825228 62758532395116 74493867721032 75413545100304 83678043193488 84840238237842 111740801581548 113120317650456 125517064790232 127260357356763 148987735442064 169680476475684 223481603163096 226240635300912 251034129580464 254520714713526 339360952951368 381781072070289 446963206326192 509041429427052 678721905902736 763562144140578 1018082858854104 1145343216210867 1527124288281156 2036165717708208 2290686432421734 3054248576562312 4581372864843468 6108497153124624 9162745729686936 18325491459373872
• Sum of all divisors σ(n): 55311626921443752
• Sum of proper divisors (its aliquot sum) s(n): 36986135462069880
• 18325491459373872 is an abundant number, because the sum of its proper divisors (36986135462069880) is greater than itself. Its abundance is 18660644002696008

Bases of 18325491459373872

• Binary: 1000001000110101110111111111000110001010011101100110000₂
• Hexadecimal: 0x411AEFF8C53B30
• Base-36: 50FUEK0QR00

Squares and roots of 18325491459373872

• 18325491459373872 squared (18325491459373872²) is 335823637227584724966658276272384
• 18325491459373872 cubed (18325491459373872³) is 6154133195869973371472911857893969812634764750848
• The square root of 18325491459373872 is 135371678.9412537057
• The cube root of 18325491459373872 is 263644.3954329857

Scales and comparisons

• 18,325,491,459,373,872 seconds is equal to 582,693,943 years, 48 weeks, 6 days, 14 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,325,491,459,373,872 would take you about one billion, seven hundred forty-eight million, eighty-one thousand, eight hundred thirty-one 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 18325491459373872 cubic inches would be around 21970.4 feet tall.

Recreational maths with 18325491459373872

• 18325491459373872 backwards is 27837395419452381
• 18325491459373872 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18325491459373872's digits is 81
• More coming soon!