18644740967759872

Names of 18644740967759872

• Cardinal: 18644740967759872 can be written as Eighteen quadrillion, six hundred forty-four trillion, seven hundred forty billion, nine hundred sixty-seven million, seven hundred fifty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8644740967759872 × 10¹⁶

Factors of 18644740967759872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 27
• Sum of prime factors: 120

Divisors of 18644740967759872

• Number of divisors d(n): 1008
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 31 32 38 56 61 62 64 76 112 122 124 128 133 152 217 224 244 248 256 266 304 361 427 434 448 488 496 512 532 589 608 722 854 868 896 976 992 1024 1064 1159 1178 1216 1444 1708 1736 1792 1891 1952 1984 2048 2128 2318 2356 2432 2527 2888 3416 3472 3584 3721 3782 3904 3968 4096 4123 4256 4636 4712 4864 5054 5776 6832 6944 7168 7442 7564 7808 7936 8113 8192 8246 8512 9272 9424 9728 10108 11191 11552 13237 13664 13888 14336 14884 15128 15616 15872 16226 16384 16492 17024 18544 18848 19456 20216 22021 22382 23104 26047 26474 27328 27776 28672 29768 30256 31232 31744 32452 32768 32984 34048 35929 37088 37696 38912 40432 44042 44764 46208 52094 52948 54656 55552 57344 59536 60512 62464 63488 64904 65536 65968 68096 70699 71858 74176 75392 77824 78337 80864 88084 89528 92416 104188 105896 109312 111104 114688 115351 119072 121024 124928 126976 129808 131072 131936 136192 141398 143716 148352 150784 154147 155648 156674 161728 176168 179056 184832 208376 211792 218624 222208 226981 229376 230702 238144 242048 249856 251503 253952 259616 262144 263872 272384 282796 287432 296704 301568 308294 311296 313348 323456 352336 358112 369664 416752 423584 437248 444416 453962 458752 461404 476288 484096 494893 499712 503006 507904 519232 524288 527744 544768 565592 574864 593408 603136 616588 622592 626696 646912 682651 704672 716224 739328 807457 833504 847168 874496 888832 907924 917504 922808 952576 968192 989786 999424 1006012 1015808 1038464 1048576 1055488 1089536 1131184 1149728 1186816 1206272 1233176 1245184 1253392 1293824 1343281 1365302 1409344 1432448 1478656 1588867 1614914 1667008 1694336 1748992 1777664 1815848 1835008 1845616 1905152 1936384 1979572 1998848 2012024 2031616 2076928 2110976 2179072 2191669 2262368 2299456 2373632 2412544 2466352 2490368 2506784 2587648 2686562 2730604 2818688 2864896 2957312 3177734 3229828 3334016 3388672 3497984 3555328 3631696 3670016 3691232 3810304 3872768 3959144 3997696 4024048 4063232 4153856 4221952 4312639 4358144 4383338 4524736 4598912 4747264 4778557 4825088 4932704 4980736 5013568 5175296 5373124 5461208 5637376 5729792 5914624 6355468 6459656 6668032 6777344 6995968 7036411 7110656 7263392 7340032 7382464 7620608 7745536 7918288 7995392 8048096 8126464 8307712 8443904 8625278 8716288 8766676 9049472 9197824 9402967 9494528 9557114 9650176 9865408 9961472 10027136 10350592 10746248 10922416 11274752 11459584 11829248 12710936 12919312 13336064 13554688 13991936 14072822 14221312 14526784 14764928 15241216 15341683 15491072 15836576 15990784 16096192 16252928 16615424 16887808 17250556 17432576 17533352 18098944 18395648 18805934 18989056 19114228 19300352 19730816 19922944 20054272 20701184 21492496 21844832 22549504 22919168 23658496 25421872 25838624 26672128 27109376 27983872 28145644 28442624 29053568 29529856 30188473 30482432 30683366 30982144 31673152 31981568 32192384 32505856 33230848 33775616 34501112 34865152 35066704 36197888 36791296 37611868 37978112 38228456 38600704 39461632 40108544 41402368 41641711 42984992 43689664 45099008 45838336 47316992 49254877 50843744 51677248 53344256 54218752 55967744 56291288 56885248 58107136 59059712 60376946 60964864 61366732 61964288 63346304 63963136 64384768 66461696 67551232 69002224 69730304 70133408 72395776 73582592 75223736 75956224 76456912 77201408 78923264 80217088 81940141 82804736 83283422 85969984 87379328 90198016 91676672 94633984 98509754 101687488 103354496 106688512 108437504 111935488 112582576 113770496 116214272 118119424 120753892 121929728 122733464 123928576 126692608 128769536 132923392 133691809 135102464 138004448 139460608 140266816 144791552 147165184 150447472 151912448 152913824 154402816 157846528 160434176 163880282 165609472 166566844 171939968 174758656 180396032 183353344 189267968 197019508 203374976 206708992 213377024 216875008 223870976 225165152 227540992 232428544 236238848 241507784 243859456 245466928 247857152 253385216 257539072 265846784 267383618 270204928 276008896 280533632 289583104 291491977 294330368 300894944 303824896 305827648 308805632 315693056 320868352 327760564 331218944 333133688 343879936 349517312 360792064 366706688 378535936 394039016 406749952 413417984 426754048 433750016 447741952 450330304 464857088 472477696 483015568 487718912 490933856 495714304 506770432 515078144 531693568 534767236 540409856 552017792 561067264 573580987 579166208 582983954 588660736 601789888 607649792 611655296 617611264 631386112 641736704 655521128 662437888 666267376 687759872 699034624 721584128 733413376 788078032 813499904 826835968 853508096 867500032 900660608 929714176 935842663 944955392 966031136 975437824 981867712 991428608 1013540864 1030156288 1063387136 1069534472 1080819712 1104035584 1122134528 1147161974 1158332416 1165967908 1177321472 1203579776 1215299584 1223310592 1262772224 1283473408 1311042256 1324875776 1332534752 1375519744 1398069248 1443168256 1466826752 1576156064 1626999808 1653671936 1707016192 1735000064 1801321216 1859428352 1871685326 1889910784 1932062272 1950875648 1963735424 1982857216 2027081728 2060312576 2126774272 2139068944 2161639424 2208071168 2244269056 2294323948 2316664832 2331935816 2354642944 2407159552 2446621184 2525544448 2540144371 2566946816 2622084512 2649751552 2665069504 2751039488 2796138496 2886336512 2933653504 3152312128 3253999616 3307343872 3414032384 3470000128 3602642432 3718856704 3743370652 3779821568 3864124544 3901751296 3927470848 4054163456 4120625152 4253548544 4278137888 4323278848 4416142336 4488538112 4588647896 4633329664 4663871632 4709285888 4814319104 4893242368 5051088896 5080288742 5133893632 5244169024 5330139008 5502078976 5592276992 5772673024 5867307008 6304624256 6507999232 6614687744 6828064768 6940000256 7205284864 7437713408 7486741304 7559643136 7728249088 7854941696 8108326912 8241250304 8507097088 8556275776 8832284672 8977076224 9177295792 9266659328 9327743264 9418571776 9628638208 9786484736 10102177792 10160577484 10267787264 10488338048 10660278016 11004157952 11184553984 11545346048 11734614016 12609248512 13015998464 13229375488 13656129536 13880000512 14410569728 14875426816 14973482608 15119286272 15456498176 15709883392 16216653824 16482500608 17112551552 17664569344 17781010597 17954152448 18354591584 18533318656 18655486528 18837143552 19257276416 19572969472 20204355584 20321154968 20535574528 20976676096 21320556032 22008315904 22369107968 23090692096 25218497024 26031996928 26458750976 27312259072 28821139456 29750853632 29946965216 30238572544 30912996352 31419766784 32433307648 32965001216 34225103104 35329138688 35562021194 35908304896 36709183168 37066637312 37310973056 37674287104 38514552832 39145938944 40408711168 40642309936 41071149056 41953352192 42641112064 44016631808 44738215936 50436994048 52063993856 52917501952 57642278912 59501707264 59893930432 60477145088 61825992704 62839533568 64866615296 65930002432 68450206208 70658277376 71124042388 71816609792 73418366336 74133274624 74621946112 77029105664 78291877888 80817422336 81284619872 82142298112 83906704384 85282224128 88033263616 89476431872 100873988096 104127987712 105835003904 115284557824 119003414528 119787860864 120954290176 123651985408 125679067136 129733230592 131860004864 136900412416 141316554752 142248084776 143633219584 146836732672 149243892224 154058211328 156583755776 161634844672 162569239744 167813408768 170564448256 176066527232 178952863744 201747976192 208255975424 211670007808 230569115648 238006829056 239575721728 247303970816 251358134272 259466461184 263720009728 273800824832 282633109504 284496169552 287266439168 293673465344 298487784448 308116422656 313167511552 325138479488 335626817536 341128896512 352133054464 357905727488 403495952384 416511950848 423340015616 461138231296 479151443456 494607941632 502716268544 518932922368 547601649664 565266219008 568992339104 574532878336 587346930688 596975568896 616232845312 626335023104 650276958976 671253635072 682257793024 704266108928 715811454976 806991904768 833023901696 846680031232 922276462592 958302886912 989215883264 1005432537088 1095203299328 1130532438016 1137984678208 1149065756672 1174693861376 1193951137792 1232465690624 1252670046208 1300553917952 1342507270144 1364515586048 1408532217856 1613983809536 1666047803392 1844552925184 1916605773824 1978431766528 2010865074176 2190406598656 2261064876032 2275969356416 2298131513344 2349387722752 2387902275584 2464931381248 2505340092416 2601107835904 2685014540288 2729031172096 3227967619072 3689105850368 3833211547648 3956863533056 4021730148352 4380813197312 4522129752064 4551938712832 4698775445504 4775804551168 4929862762496 5010680184832 5202215671808 5370029080576 5458062344192 6455935238144 7378211700736 7666423095296 7913727066112 8043460296704 8761626394624 9103877425664 9397550891008 9551609102336 9859725524992 10404431343616 10740058161152 10916124688384 12911870476288 15332846190592 15827454132224 16086920593408 17523252789248 18207754851328 18795101782016 19103218204672 20808862687232 21480116322304 21832249376768 25823740952576 30665692381184 31654908264448 35046505578496 36415509702656 37590203564032 38206436409344 41617725374464 42960232644608 43664498753536 51647481905152 61331384762368 70093011156992 72831019405312 75180407128064 76412872818688 83235450748928 85920465289216 122662769524736 140186022313984 145662038810624 150360814256128 152825745637376 166470901497856 245325539049472 291324077621248 300721628512256 305651491274752 332941802995712 490651078098944 582648155242496 601443257024512 665883605991424 981302156197888 1165296310484992 1331767211982848 2330592620969984 2663534423965696 4661185241939968 9322370483879936 18644740967759872
• Sum of all divisors σ(n): 47202250043311104
• Sum of proper divisors (its aliquot sum) s(n): 28557509075551232
• 18644740967759872 is an abundant number, because the sum of its proper divisors (28557509075551232) is greater than itself. Its abundance is 9912768107791360

Bases of 18644740967759872

• Binary: 1000010001111010100101100001010010100000000000000000000₂
• Hexadecimal: 0x423D4B0A500000
• Base-36: 53L0BR79AF4

Squares and roots of 18644740967759872

• 18644740967759872 squared (18644740967759872²) is 347626365754863328305729853456384
• 18644740967759872 cubed (18644740967759872³) is 6481403543063177718546691606579480867688937422848
• The square root of 18644740967759872 is 136545746.7948374875
• The cube root of 18644740967759872 is 265166.5783941629

Scales and comparisons

• 18,644,740,967,759,872 seconds is equal to 592,845,090 years, 41 weeks, 5 days, 18 hours, 37 minutes, 52 seconds.
• To count from 1 to 18,644,740,967,759,872 would take you about one billion, seven hundred seventy-eight million, five hundred thirty-five thousand, two hundred seventy-two 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 18644740967759872 cubic inches would be around 22097.2 feet tall.

Recreational maths with 18644740967759872

• 18644740967759872 backwards is 27895776904744681
• The number of decimal digits it has is: 17
• The sum of 18644740967759872's digits is 94
• More coming soon!