7991426813120478

Names of 7991426813120478

• Cardinal: 7991426813120478 can be written as Seven quadrillion, nine hundred ninety-one trillion, four hundred twenty-six billion, eight hundred thirteen million, one hundred twenty thousand, four hundred seventy-eight.

Scientific notation

• Scientific notation: 7.991426813120478 × 10¹⁵

Factors of 7991426813120478

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 734

Divisors of 7991426813120478

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 81 91 117 126 162 169 182 189 234 243 273 338 351 378 486 507 546 567 702 709 729 819 1014 1053 1134 1183 1418 1458 1521 1638 1701 2106 2127 2197 2366 2457 3042 3159 3402 3549 4254 4394 4563 4914 4963 5103 6318 6381 6591 7098 7371 9126 9217 9477 9926 10206 10647 12762 13182 13689 14742 14889 15379 18434 18954 19143 19773 21294 22113 27378 27651 29778 30758 31941 38286 39546 41067 44226 44667 46137 55302 57429 59319 63882 64519 66339 82134 82953 89334 92274 95823 114858 118638 119821 123201 129038 132678 134001 138411 165906 172287 177957 191646 193557 239642 246402 248859 268002 276822 287469 344574 355914 359463 387114 402003 415233 497718 502681 516861 533871 574938 580671 718926 746577 804006 830466 838747 862407 1005362 1033722 1067742 1078389 1161342 1206009 1245699 1493154 1508043 1557673 1601613 1677494 1724814 1742013 2156778 2239731 2412018 2491398 2516241 3016086 3115346 3203226 3235167 3484026 3518767 3618027 3737097 4479462 4524129 4673019 5032482 5226039 6470334 6534853 6719193 7037534 7236054 7474194 7548723 9048258 9346038 9705501 10452078 10556301 10903711 11211291 13069706 13438386 13572387 14019057 15097446 15678117 19411002 19604559 21112602 21807422 22422582 22646169 27144774 28038114 29116503 31356234 31668903 32711133 39209118 40717161 42057171 45292338 45743971 47034351 58233006 58813677 63337806 65422266 67938507 81434322 84114342 84953089 87349509 91487942 94068702 95006709 98133399 117627354 122151483 126171513 135877014 137231913 169906178 174699018 176441031 190013418 196266798 203815521 244302966 252343026 254859267 274463826 285020127 294400197 352882062 356400829 366454449 378514539 407631042 411695739 509718534 529323093 570040254 588800394 594671623 611446563 712801658 732908898 757029078 764577801 823391478 855060381 883200591 1058646186 1069202487 1104390157 1135543617 1189343246 1222893126 1235087217 1529155602 1587969279 1710120762 1766401182 1784014869 2138404974 2208780314 2271087234 2293733403 2470174434 2494805803 2565181143 2649601773 3175938558 3207607461 3313170471 3568029738 3705261651 4587466806 4633210777 4763907837 4989611606 5130362286 5299203546 5352044607 6415214922 6626340942 6881200209 7410523302 7484417409 7730731099 7948805319 9266421554 9527815674 9622822383 9939511413 10704089214 11115784953 13762400418 13899632331 14968834818 15461462198 15897610638 16056133821 19245644766 19879022826 20643600627 22231569906 22453252227 23192193297 27799264662 28868467149 29818534239 32112267642 32432475439 33347354859 41287201254 41698896993 44906504454 46384386594 48168401463 57736934298 59637068478 60231740101 61930801881 64864950878 66694709718 67359756681 69576579891 83397793986 86605401447 89455602717 96336802926 97297426317 120463480202 123861603762 125096690979 134719513362 139153159782 144505204389 173210802894 178911205434 180695220303 194594852634 202079270043 208729739673 250193381958 259816204341 268366808151 289010408778 291892278951 361390440606 375290072937 404158540086 417459479346 421622180707 433515613167 519632408682 536733616302 542085660909 583784557902 606237810129 626189219019 750580145874 783012621313 805100424453 843244361414 867031226334 875676836853 1084171321818 1125870218811 1212475620258 1252378438038 1264866542121 1566025242626 1610200848906 1626256982727 1751353673706 1818713430387 1878567657057 2251740437622 2349037863939 2529733084242 2627030510559 3252513965454 3377610656433 3637426860774 3757135314114 3794599626363 4698075727878 4878770948181 5254061021118 5481088349191 5635702971171 6755221312866 7047113591817 7589199252726 7881091531677 9757541896362 10962176698382 11271405942342 11383798879089 14094227183634 14636312844543 15762183063354 16443265047573 21141340775451 22767597758178 23643274595031 29272625689086 32886530095146 34151396637267 42282681550902 43908938533629 47286549190062 49329795142719 63424022326353 68302793274534 87817877067258 98659590285438 102454189911801 126848044652706 147989385428157 190272066979059 204908379823602 295978770856314 307362569735403 380544133958118 443968156284471 570816200937177 614725139470806 887936312568942 1141632401874354 1331904468853413 2663808937706826 3995713406560239 7991426813120478
• Sum of all divisors σ(n): 22282301367715200
• Sum of proper divisors (its aliquot sum) s(n): 14290874554594722
• 7991426813120478 is an abundant number, because the sum of its proper divisors (14290874554594722) is greater than itself. Its abundance is 6299447741474244

Bases of 7991426813120478

• Binary: 11100011001000010100100001100011100011100111111011110₂
• Hexadecimal: 0x1C64290C71CFDE
• Base-36: 26OQ2SO07VI

Squares and roots of 7991426813120478

• 7991426813120478 squared (7991426813120478²) is 63862902509460919208167742948484
• 7991426813120478 cubed (7991426813120478³) is 510355711477805050704313262224568348636439455352
• The square root of 7991426813120478 is 89394780.6816509729
• The cube root of 7991426813120478 is 199928.5312401279

Scales and comparisons

• 7,991,426,813,120,478 seconds is equal to 254,102,653 years, 28 weeks, 4 days, 14 hours, 21 minutes, 18 seconds.
• To count from 1 to 7,991,426,813,120,478 would take you about seven hundred sixty-two million, three hundred seven thousand, nine hundred sixty 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 7991426813120478 cubic inches would be around 16660.7 feet tall.

Recreational maths with 7991426813120478

• 7991426813120478 backwards is 8740213186241997
• The number of decimal digits it has is: 16
• The sum of 7991426813120478's digits is 72
• More coming soon!