18220072729824

Names of 18220072729824

• Cardinal: 18220072729824 can be written as Eighteen trillion, two hundred twenty billion, seventy-two million, seven hundred twenty-nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.8220072729824 × 10¹³

Factors of 18220072729824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 515

Divisors of 18220072729824

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 72 81 84 96 98 108 112 126 144 147 162 168 189 196 216 224 243 252 288 294 324 336 343 378 392 432 441 486 503 504 567 588 648 672 686 729 756 784 864 882 972 1006 1008 1029 1134 1176 1296 1323 1372 1458 1509 1512 1568 1701 1764 1944 2012 2016 2058 2187 2268 2352 2592 2646 2744 2916 3018 3024 3087 3402 3521 3528 3888 3969 4024 4116 4374 4527 4536 4704 5103 5292 5488 5832 6036 6048 6174 6561 6804 7042 7056 7776 7938 8048 8232 8748 9054 9072 9261 10206 10563 10584 10976 11664 11907 12072 12348 13122 13581 13608 14084 14112 15309 15876 16096 16464 17496 18108 18144 18522 20412 21126 21168 23328 23814 24144 24647 24696 26244 27162 27216 27783 28168 30618 31689 31752 32928 34992 35721 36216 37044 40743 40824 42252 42336 45927 47628 48288 49294 49392 52488 54324 54432 55566 56336 61236 63378 63504 69984 71442 72432 73941 74088 81486 81648 83349 84504 91854 95067 95256 98588 98784 104976 107163 108648 111132 112672 122229 122472 126756 127008 142884 144864 147882 148176 162972 163296 166698 169008 172529 183708 190134 190512 197176 209952 214326 217296 221823 222264 244458 244944 250047 253009 253512 285201 285768 295764 296352 321489 325944 333396 338016 345058 366687 367416 380268 381024 394352 428652 434592 443646 444528 488916 489888 500094 506018 507024 517587 570402 571536 591528 642978 651888 665469 666792 690116 733374 734832 750141 759027 760536 788704 855603 857304 887292 889056 977832 1000188 1012036 1014048 1035174 1100061 1140804 1143072 1183056 1285956 1303776 1330938 1333584 1380232 1466748 1469664 1500282 1518054 1521072 1552761 1711206 1714608 1771063 1774584 1955664 1996407 2000376 2024072 2070348 2200122 2250423 2277081 2281608 2366112 2566809 2571912 2661876 2667168 2760464 2933496 3000564 3036108 3042144 3105522 3300183 3422412 3429216 3542126 3549168 3911328 3992814 4000752 4048144 4140696 4400244 4500846 4554162 4563216 4658283 5133618 5143824 5313189 5323752 5520928 5866992 5989221 6001128 6072216 6211044 6600366 6831243 6844824 7084252 7098336 7700427 7985628 8001504 8096288 8281392 8800488 9001692 9108324 9126432 9316566 10267236 10287648 10626378 10647504 11733984 11978442 12002256 12144432 12397441 12422088 13200732 13662486 13689648 13974849 14168504 15400854 15939567 15971256 16562784 17600976 17967663 18003384 18216648 18633132 20493729 20534472 21252756 21295008 23101281 23956884 24004512 24288864 24794882 24844176 26401464 27324972 27379296 27949698 28337008 30801708 31879134 31942512 35201952 35935326 36006768 36433296 37192323 37266264 40987458 41068944 41924547 42505512 46202562 47818701 47913768 49589764 49688352 52802928 53902989 54649944 55899396 56674016 61481187 61603416 63758268 63885024 71870652 72013536 72866592 74384646 74532528 81974916 82137888 83849094 85011024 86782087 92405124 95637402 95827536 99179528 105605856 107805978 109299888 111576969 111798792 122962374 123206832 125773641 127516536 143456103 143741304 148769292 149065056 161708967 163949832 167698188 170022048 173564174 184443561 184810248 191274804 191655072 198359056 215611956 218599776 223153938 223597584 245924748 246413664 251547282 255033072 260346261 286912206 287482608 297538584 323417934 327899664 334730907 335396376 347128348 368887122 369620496 377320923 382549608 396718112 430368309 431223912 446307876 447195168 491849496 503094564 510066144 520692522 553330683 573824412 574965216 595077168 646835868 655799328 669461814 670792752 694256696 737774244 739240992 754641846 765099216 781038783 860736618 862447824 892615752 983698992 1004192721 1006189128 1041385044 1106661366 1131962769 1147648824 1190154336 1291104927 1293671736 1338923628 1341585504 1388513392 1475548488 1509283692 1530198432 1562077566 1659992049 1721473236 1724895648 1785231504 1967397984 2008385442 2012378256 2082770088 2213322732 2263925538 2295297648 2343116349 2582209854 2587343472 2677847256 2777026784 2951096976 3012578163 3018567384 3124155132 3319984098 3442946472 3570463008 3873314781 4016770884 4024756512 4165540176 4426645464 4527851076 4590595296 4686232698 5164419708 5174686944 5355694512 5902193952 6025156326 6037134768 6248310264 6639968196 6885892944 7029349047 7746629562 8033541768 8331080352 8853290928 9037734489 9055702152 9372465396 10328839416 10711389024 11619944343 12050312652 12074269536 12496620528 13279936392 13771785888 14058698094 15493259124 16067083536 17706581856 18075468978 18111404304 18744930792 20657678832 21088047141 23239888686 24100625304 24993241056 26559872784 27113203467 28117396188 30986518248 32134167072 36150937956 36222808608 37489861584 41315357664 42176094282 46479777372 48201250608 53119745568 54226406934 56234792376 61973036496 63264141423 72301875912 74979723168 81339610401 84352188564 92959554744 96402501216 108452813868 112469584752 123946072992 126528282846 144603751824 162679220802 168704377128 185919109488 189792424269 216905627736 224939169504 253056565692 289207503648 325358441604 337408754256 371838218976 379584848538 433811255472 506113131384 569377272807 650716883208 674817508512 759169697076 867622510944 1012226262768 1138754545614 1301433766416 1518339394152 2024452525536 2277509091228 2602867532832 3036678788304 4555018182456 6073357576608 9110036364912 18220072729824
• Sum of all divisors σ(n): 62869500111600
• Sum of proper divisors (its aliquot sum) s(n): 44649427381776
• 18220072729824 is an abundant number, because the sum of its proper divisors (44649427381776) is greater than itself. Its abundance is 26429354651952

Bases of 18220072729824

• Binary: 100001001001000110000111101100111110011100000₂
• Hexadecimal: 0x109230F67CE0
• Base-36: 6GI6OVI00

Squares and roots of 18220072729824

• 18220072729824 squared (18220072729824²) is 331971050280076187299070976
• 18220072729824 cubed (18220072729824³) is 6048536680299048097680882035187447988224
• The square root of 18220072729824 is 4268497.7134612593
• The cube root of 18220072729824 is 26313.7878374999

Scales and comparisons

• 18,220,072,729,824 seconds is equal to 579,341 years, 49 weeks, 4 days, 9 hours, 50 minutes, 24 seconds.
• To count from 1 to 18,220,072,729,824 would take you about one million, four hundred forty-eight thousand, three hundred fifty-four 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 18220072729824 cubic inches would be around 2192.8 feet tall.

Recreational maths with 18220072729824

• 18220072729824 backwards is 42892727002281
• 18220072729824 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18220072729824's digits is 54
• More coming soon!