72994551191847018

Names of 72994551191847018

• Cardinal: 72994551191847018 can be written as Seventy-two quadrillion, nine hundred ninety-four trillion, five hundred fifty-one billion, one hundred ninety-one million, eight hundred forty-seven thousand and eighteen.

Scientific notation

• Scientific notation: 7.2994551191847018 × 10¹⁶

Factors of 72994551191847018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 48077

Divisors of 72994551191847018

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 9 18 19 27 38 54 57 81 114 162 171 243 342 486 513 729 751 1026 1458 1502 1539 2187 2253 3078 4374 4506 4617 6561 6759 9234 10631 13122 13518 13851 14269 20277 21262 27702 28538 31893 36671 40554 41553 42807 60831 63786 73342 83106 85614 95679 110013 121662 124659 128421 182493 191358 201989 220026 249318 256842 287037 330039 364986 385263 403978 547479 574074 605967 660078 696749 770526 861111 990117 1094958 1155789 1211934 1393498 1642437 1722222 1817901 1980234 2090247 2311578 2583333 2970351 3284874 3467367 3635802 4180494 4927311 5166666 5453703 5940702 6270741 6934734 7749999 7983881 8911053 9854622 10402101 10907406 12541482 15499998 15967762 16361109 17822106 18812223 20804202 23249997 23951643 26733159 27539921 31206303 32722218 37624446 46499994 47903286 49083327 53466318 55079842 56436669 62412606 69749991 71854929 80199477 82619763 93618909 98166654 112873338 139499982 143709858 147249981 151693739 160398954 165239526 169310007 187237818 215564787 240598431 247859289 294499962 303387478 338620014 389849401 431129574 441749943 455081217 481196862 495718578 507930021 523258499 646694361 743577867 779698802 883499886 910162434 1015860042 1046516998 1169548203 1293388722 1325249829 1365243651 1487155734 1523790063 1569775497 1940083083 2230733601 2339096406 2650499658 2730487302 3047580126 3139550994 3508644609 3880166166 4095730953 4461467202 4571370189 4709326491 5820249249 6692200803 7017289218 7407138619 8191461906 9142740378 9418652982 10525933827 11640498498 12287192859 13384401606 14127979473 14814277238 17460747747 20076602409 21051867654 22221415857 24574385718 28255958946 31577801481 34921495494 36861578577 40153204818 42383938419 44442831714 52382243241 60229807227 63155602962 66664247571 73723157154 84767876838 94733404443 104764486482 110584735731 120459614454 127151815257 133328495142 180689421681 189466808886 199992742713 221169471462 254303630514 284200213329 292776900151 331754207193 361378843362 381455445771 399985485426 568400426658 585553800302 599978228139 663508414386 762910891542 852600639987 878330700453 995262621579 1144366337313 1199956456278 1705201279974 1756661400906 1799934684417 1990525243158 2288732674626 2557801919961 2634992101359 3433099011939 3599869368834 5115603839922 5269984202718 5399804053251 5562761102869 6866198023878 7904976304077 10799608106502 11125522205738 15809952608154 16199412159753 16688283308607 23714928912231 32398824319506 33376566617214 47429857824462 48598236479259 50064849925821 71144786736693 97196472958518 100129699851642 142289573473386 150194549777463 213434360210079 300389099554926 426868720420158 450583649332389 640303080630237 901167298664778 1280606161260474 1351750947997167 1920909241890711 2703501895994334 3841818483781422 4055252843991501 8110505687983002 12165758531974503 24331517063949006 36497275595923509 72994551191847018
• Sum of all divisors σ(n): 173124242698567680
• Sum of proper divisors (its aliquot sum) s(n): 100129691506720662
• 72994551191847018 is an abundant number, because the sum of its proper divisors (100129691506720662) is greater than itself. Its abundance is 27135140314873644

Bases of 72994551191847018

• Binary: 100000011010101000010100001010110010101000100000001101010₂
• Hexadecimal: 0x10354285654406A
• Base-36: JYQEPVW5WMI

Squares and roots of 72994551191847018

• 72994551191847018 squared (72994551191847018²) is 5328204503699174916003114315492324
• 72994551191847018 cubed (72994551191847018³) is 388929896405899257392966720756632494466837561289832
• The square root of 72994551191847018 is 270175038.0620811867
• The cube root of 72994551191847018 is 417923.5210152477

Scales and comparisons

• 72,994,551,191,847,018 seconds is equal to 2,321,000,940 years, 48 weeks, 2 days, 5 hours, 30 minutes, 18 seconds.
• To count from 1 to 72,994,551,191,847,018 would take you about six billion, nine hundred sixty-three million, two thousand, eight hundred twenty-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 72994551191847018 cubic inches would be around 34827 feet tall.

Recreational maths with 72994551191847018

• 72994551191847018 backwards is 81074819115549927
• 72994551191847018 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 72994551191847018's digits is 81
• More coming soon!