18681109880442110083072

Names of 18681109880442110083072

• Cardinal: 18681109880442110083072 can be written as Eighteen sextillion, six hundred eighty-one quintillion, one hundred nine quadrillion, eight hundred eighty trillion, four hundred forty-two billion, one hundred ten million, eighty-three thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8681109880442110083072 × 10²²

Factors of 18681109880442110083072

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 45
• Sum of prime factors: 122

Divisors of 18681109880442110083072

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 4 8 16 32 41 64 79 82 128 158 164 256 316 328 512 632 656 1024 1264 1312 1681 2048 2528 2624 3239 3362 4096 5056 5248 6241 6478 6724 8192 10112 10496 12482 12956 13448 16384 20224 20992 24964 25912 26896 32768 40448 41984 49928 51824 53792 65536 68921 80896 83968 99856 103648 107584 131072 132799 137842 161792 167936 199712 207296 215168 255881 262144 265598 275684 323584 335872 399424 414592 430336 493039 511762 524288 531196 551368 647168 671744 798848 829184 860672 986078 1023524 1048576 1062392 1102736 1294336 1343488 1597696 1658368 1721344 1972156 2047048 2097152 2124784 2205472 2588672 2686976 3195392 3316736 3442688 3944312 4094096 4194304 4249568 4410944 5177344 5373952 5444759 6390784 6633472 6885376 7888624 8188192 8388608 8499136 8821888 10354688 10491121 10747904 10889518 12781568 13266944 13770752 15777248 16376384 16777216 16998272 17643776 20214599 20709376 20982242 21495808 21779036 25563136 26533888 27541504 31554496 32752768 33554432 33996544 35287552 40429198 41418752 41964484 42991616 43558072 51126272 53067776 55083008 63108992 65505536 67108864 67993088 70575104 80858396 82837504 83928968 85983232 87116144 102252544 106135552 110166016 126217984 131011072 134217728 135986176 141150208 161716792 165675008 167857936 171966464 174232288 204505088 212271104 220332032 252435968 262022144 268435456 271972352 282300416 323433584 331350016 335715872 343932928 348464576 409010176 424542208 430135961 440664064 504871936 524044288 536870912 543944704 564600832 646867168 662700032 671431744 687865856 696929152 818020352 828798559 849084416 860271922 881328128 1009743872 1048088576 1073741824 1087889408 1129201664 1293734336 1325400064 1342863488 1375731712 1393858304 1636040704 1657597118 1698168832 1720543844 1762656256 2019487744 2096177152 2147483648 2175778816 2258403328 2587468672 2650800128 2685726976 2751463424 2787716608 3272081408 3315194236 3396337664 3441087688 3525312512 4038975488 4192354304 4294967296 4351557632 4516806656 5174937344 5301600256 5371453952 5502926848 5575433216 6544162816 6630388472 6792675328 6882175376 7050625024 8077950976 8384708608 8589934592 8703115264 9033613312 10349874688 10603200512 10742907904 11005853696 11150866432 13088325632 13260776944 13585350656 13764350752 14101250048 16155901952 16769417216 17179869184 17406230528 18067226624 20699749376 21206401024 21485815808 22011707392 22301732864 26176651264 26521553888 27170701312 27528701504 28202500096 32311803904 33538834432 33980740919 34359738368 34812461056 36134453248 41399498752 42412802048 42971631616 44023414784 44603465728 52353302528 53043107776 54341402624 55057403008 56405000192 64623607808 67077668864 67961481838 68719476736 69624922112 72268906496 82798997504 84825604096 85943263232 88046829568 89206931456 104706605056 106086215552 108682805248 110114806016 112810000384 129247215616 134155337728 135922963676 137438953472 139249844224 144537812992 165597995008 169651208192 171886526464 176093659136 178413862912 209413210112 212172431104 217365610496 220229612032 225620000768 258494431232 268310675456 271845927352 274877906944 278499688448 289075625984 331195990016 339302416384 343773052928 352187318272 356827725824 418826420224 424344862208 434731220992 440459224064 451240001536 516988862464 536621350912 543691854704 549755813888 556999376896 578151251968 662391980032 678604832768 687546105856 704374636544 713655451648 837652840448 848689724416 869462441984 880918448128 902480003072 1033977724928 1073242701824 1087383709408 1113998753792 1156302503936 1324783960064 1357209665536 1375092211712 1408749273088 1427310903296 1675305680896 1697379448832 1738924883968 1761836896256 1804960006144 2067955449856 2146485403648 2174767418816 2227997507584 2312605007872 2649567920128 2714419331072 2750184423424 2817498546176 2854621806592 3350611361792 3394758897664 3477849767936 3523673792512 3609920012288 4135910899712 4292970807296 4349534837632 4455995015168 4625210015744 5299135840256 5428838662144 5500368846848 5634997092352 5709243613184 6701222723584 6789517795328 6955699535872 7047347585024 7219840024576 8271821799424 8585941614592 8699069675264 8911990030336 9250420031488 10598271680512 10857677324288 11000737693696 11269994184704 11418487226368 13402445447168 13579035590656 13911399071744 14094695170048 14439680049152 16543643598848 17171883229184 17398139350528 17823980060672 18500840062976 21196543361024 21715354648576 22001475387392 22539988369408 22836974452736 26804890894336 27158071181312 27822798143488 28189390340096 28879360098304 33087287197696 34343766458368 34796278701056 35647960121344 37001680125952 42393086722048 43430709297152 44002950774784 45673948905472 53609781788672 54316142362624 55645596286976 56378780680192 57758720196608 66174574395392 68687532916736 69592557402112 71295920242688 74003360251904 84786173444096 88005901549568 91347897810944 107219563577344 108632284725248 111291192573952 112757561360384 115517440393216 132349148790784 137375065833472 139185114804224 142591840485376 148006720503808 169572346888192 176011803099136 182695795621888 214439127154688 217264569450496 222582385147904 225515122720768 231034880786432 264698297581568 274750131666944 278370229608448 285183680970752 296013441007616 339144693776384 352023606198272 365391591243776 428878254309376 434529138900992 445164770295808 451030245441536 462069761572864 529396595163136 549500263333888 556740459216896 570367361941504 592026882015232 678289387552768 704047212396544 730783182487552 857756508618752 869058277801984 890329540591616 902060490883072 924139523145728 1058793190326272 1099000526667776 1113480918433792 1140734723883008 1184053764030464 1356578775105536 1408094424793088 1461566364975104 1715513017237504 1738116555603968 1780659081183232 1804120981766144 2117586380652544 2198001053335552 2226961836867584 2281469447766016 2368107528060928 2713157550211072 2816188849586176 2923132729950208 3431026034475008 3476233111207936 3608241963532288 4235172761305088 4396002106671104 4453923673735168 4562938895532032 4736215056121856 5426315100422144 5632377699172352 5846265459900416 6952466222415872 7216483927064576 8470345522610176 8792004213342208 8907847347470336 9125877791064064 9472430112243712 10852630200844288 11264755398344704 11692530919800832 13904932444831744 14432967854129152 16940691045220352 17584008426684416 17815694694940672 18251755582128128 18944860224487424 21705260401688576 22529510796689408 23385061839601664 27809864889663488 28865935708258304 33881382090440704 35168016853368832 35631389389881344 36503511164256256 37889720448974848 43410520803377152 45059021593378816 46770123679203328 55619729779326976 57731871416516608 67762764180881408 70336033706737664 71262778779762688 73007022328512512 86821041606754304 90118043186757632 93540247358406656 111239459558653952 115463742833033216 135525528361762816 140672067413475328 142525557559525376 173642083213508608 180236086373515264 187080494716813312 222478919117307904 230927485666066432 271051056723525632 285051115119050752 347284166427017216 360472172747030528 374160989433626624 444957838234615808 461854971332132864 570102230238101504 694568332854034432 720944345494061056 748321978867253248 889915676469231616 923709942664265728 1140204460476203008 1389136665708068864 1441888690988122112 1496643957734506496 1779831352938463232 1847419885328531456 2280408920952406016 2778273331416137728 2883777381976244224 2993287915469012992 3559662705876926464 3694839770657062912 4560817841904812032 5556546662832275456 5767554763952488448 7119325411753852928 7389679541314125824 9121635683809624064 11113093325664550912 14238650823507705856 14779359082628251648 18243271367619248128 28477301647015411712 29558718165256503296 36486542735238496256 56954603294030823424 59117436330513006592 72973085470476992512 113909206588061646848 118234872661026013184 145946170940953985024 227818413176123293696 236469745322052026368 291892341881907970048 455636826352246587392 583784683763815940096 1167569367527631880192 2335138735055263760384 4670277470110527520768 9340554940221055041536 18681109880442110083072
• Sum of all divisors σ(n): 38787238420631726256000
• Sum of proper divisors (its aliquot sum) s(n): 20106128540189616172928
• 18681109880442110083072 is an abundant number, because the sum of its proper divisors (20106128540189616172928) is greater than itself. Its abundance is 1425018659747506089856

Bases of 18681109880442110083072

• Binary: 11111101001011010001111010100110111000000000000000000000000000000000000000₂
• Hexadecimal: 0x3F4B47A9B8000000000
• Base-36: 31IIBC696U1VN5S

Squares and roots of 18681109880442110083072

• 18681109880442110083072 squared (18681109880442110083072²) is 348983866365151828482043381228273930740957184
• 18681109880442110083072 cubed (18681109880442110083072³) is 6519405954068926796905451033228203557846470923594434475131035189248
• The square root of 18681109880442110083072 is 136678856742.5192874447
• 18681109880442110083072 is a perfect cube number. Its cube root is 26533888

Scales and comparisons

• 18,681,109,880,442,110,083,072 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,681,109,880,442,110,083,072 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18681109880442110083072 cubic inches would be around 2211157.3 feet tall.

Recreational maths with 18681109880442110083072

• 18681109880442110083072 backwards is 27038001124408890118681
• 18681109880442110083072 is a Harshad number.
• The number of decimal digits it has is: 23
• The sum of 18681109880442110083072's digits is 82
• More coming soon!