18315497931145216

Names of 18315497931145216

• Cardinal: 18315497931145216 can be written as Eighteen quadrillion, three hundred fifteen trillion, four hundred ninety-seven billion, nine hundred thirty-one million, one hundred forty-five thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.8315497931145216 × 10¹⁶

Factors of 18315497931145216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 541

Divisors of 18315497931145216

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 8 16 32 64 109 128 137 218 256 274 293 436 512 548 586 872 1024 1096 1172 1744 2048 2192 2344 3488 4096 4384 4688 6976 8192 8768 9376 11881 13952 14933 16384 17536 18752 23762 27904 29866 31937 32768 35072 37504 40141 47524 55808 59732 63874 65536 70144 75008 80282 85849 95048 111616 119464 127748 131072 140288 150016 160564 171698 190096 223232 238928 255496 280576 300032 321128 343396 380192 446464 477856 510992 561152 600064 642256 686792 760384 892928 955712 1021984 1122304 1200128 1284512 1373584 1520768 1627697 1785856 1911424 2043968 2244608 2400256 2569024 2747168 3041536 3255394 3481133 3571712 3822848 4087936 4375369 4489216 4800512 5138048 5494336 6083072 6510788 6962266 7143424 7645696 8175872 8750738 8978432 9357541 9601024 10276096 10988672 11761313 12166144 13021576 13924532 14286848 15291392 16351744 17501476 17956864 18715082 19202048 20552192 21977344 23522626 24332288 26043152 27849064 30582784 32703488 35002952 37430164 38404096 41104384 43954688 47045252 48664576 52086304 55698128 61165568 65406976 70005904 74860328 82208768 87909376 94090504 97329152 104172608 111396256 122331136 130813952 140011808 149720656 164417536 175818752 188181008 194658304 208345216 222792512 244662272 261627904 280023616 299441312 328835072 351637504 376362016 389316608 416690432 445585024 476915221 489324544 523255808 560047232 598882624 657670144 703275008 752724032 778633216 833380864 891170048 953830442 978649088 1019971969 1046511616 1120094464 1197765248 1281983117 1315340288 1406550016 1505448064 1557266432 1666761728 1782340096 1907660884 1957298176 2039943938 2093023232 2240188928 2395530496 2563966234 2630680576 2813100032 3010896128 3333523456 3564680192 3815321768 4079887876 4186046464 4480377856 4791060992 5127932468 5261361152 5626200064 6021792256 6667046912 7129360384 7630643536 8159775752 8960755712 9582121984 10255864936 11252400128 12043584512 13334093824 14258720768 15261287072 16319551504 17921511424 19164243968 20511729872 24087169024 26668187648 28517441536 30522574144 32639103008 35843022848 38328487936 41023459744 48174338048 53336375296 57034883072 61045148288 65278206016 71686045696 76656975872 82046919488 96348676096 106672750592 114069766144 122090296576 130556412032 139736159753 143372091392 153313951744 164093838976 192697352192 213345501184 228139532288 244180593152 261112824064 279472319506 286744182784 306627903488 328187677952 385394704384 456279064576 488361186304 522225648128 558944639012 573488365568 613255806976 656375355904 770789408768 976722372608 1044451296256 1117889278024 1226511613952 1312750711808 1541578817536 1953444745216 2088902592512 2235778556048 2625501423616 3906889490432 4177805185024 4471557112096 5251002847232 7813778980864 8355610370048 8943114224192 10502005694464 15627557961728 16711220740096 17886228448384 21004011388928 31255115923456 33422441480192 35772456896768 42008022777856 62510231846912 66844882960384 71544913793536 84016045555712 133689765920768 143089827587072 168032091111424 286179655174144 572359310348288 1144718620696576 2289437241393152 4578874482786304 9157748965572608 18315497931145216
• Sum of all divisors σ(n): 37367388471258342
• Sum of proper divisors (its aliquot sum) s(n): 19051890540113126
• 18315497931145216 is an abundant number, because the sum of its proper divisors (19051890540113126) is greater than itself. Its abundance is 736392608967910

Bases of 18315497931145216

• Binary: 1000001000100011101100100101100000100100000000000000000₂
• Hexadecimal: 0x4111D92C120000
• Base-36: 50CAVLC270G

Squares and roots of 18315497931145216

• 18315497931145216 squared (18315497931145216²) is 335457464465784687456117279686656
• 18315497931145216 cubed (18315497931145216³) is 6144070496410299254553861078567923823195713437696
• The square root of 18315497931145216 is 135334762.4638445065
• The cube root of 18315497931145216 is 263596.4618973943

Scales and comparisons

• 18,315,497,931,145,216 seconds is equal to 582,376,180 years, 34 weeks, 15 hours, 16 seconds.
• To count from 1 to 18,315,497,931,145,216 would take you about one billion, seven hundred forty-seven million, one hundred twenty-eight thousand, five hundred forty-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 18315497931145216 cubic inches would be around 21966.4 feet tall.

Recreational maths with 18315497931145216

• 18315497931145216 backwards is 61254113979451381
• The number of decimal digits it has is: 17
• The sum of 18315497931145216's digits is 70
• More coming soon!