990649613589834375

Names of 990649613589834375

• Cardinal: 990649613589834375 can be written as Nine hundred ninety quadrillion, six hundred forty-nine trillion, six hundred thirteen billion, five hundred eighty-nine million, eight hundred thirty-four thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 9.90649613589834375 × 10¹⁷

Factors of 990649613589834375

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3142

Divisors of 990649613589834375

• Number of divisors d(n): 324
• Complete list of divisors:
  1 3 5 9 15 25 27 45 75 81 125 135 225 243 375 405 421 625 675 1125 1215 1263 1875 2025 2105 2713 3125 3375 3789 5625 6075 6315 8139 9375 10125 10525 11367 13565 16875 18945 24417 28125 30375 31575 34101 40695 50625 52625 56835 67825 73251 84375 94725 102303 122085 151875 157875 170505 177241 203475 219753 253125 263125 284175 339125 366255 473625 511515 531723 610425 659259 759375 789375 852525 886205 1017375 1098765 1142173 1315625 1420875 1595169 1695625 1831275 2368125 2557575 2658615 3052125 3296295 3426519 3946875 4262625 4431025 4785507 5086875 5493825 5710865 7104375 7360369 7975845 8478125 9156375 10279557 11840625 12787875 13293075 14356521 15260625 16481475 17132595 21313125 22081107 22155125 23927535 25434375 27469125 28554325 30838671 35521875 36801845 39879225 43069563 45781875 51397785 63939375 66243321 66465375 71782605 76303125 82407375 85662975 92516013 106565625 110405535 110775625 119637675 137345625 142771625 154193355 184009225 198729963 199396125 215347815 228909375 256988925 277548039 319696875 331216605 332326875 358913025 412036875 428314875 462580065 480854833 552027675 553878125 596189889 598188375 686728125 713858125 770966775 920046125 993649815 996980625 1076739075 1284944625 1387740195 1442564499 1656083025 1661634375 1788569667 1794565125 2060184375 2141574375 2312900325 2404274165 2760138375 2980949445 2990941875 3098715349 3569290625 3854833875 4327693497 4600230625 4968249075 4984903125 5383695375 6424723125 6938700975 7212822495 8280415125 8942848335 8972825625 9296146047 10707871875 11564501625 12021370825 12983080491 13800691875 14904747225 14954709375 15493576745 19274169375 21638467485 23001153125 24841245375 26918476875 27888438141 32123615625 34693504875 36064112475 38949241473 41402075625 44714241675 44864128125 46480730235 57822508125 60106854125 64915402455 69003459375 74523736125 77467883725 83665314423 96370846875 108192337425 116847724419 124206226875 134592384375 139442190705 173467524375 180320562375 194746207365 207010378125 223571208375 232403651175 250995943269 289112540625 300534270625 324577012275 372618680625 387339418625 418326572115 540961687125 584238622095 621031134375 697210953525 752987829807 867337621875 901602811875 973731036825 1117856041875 1162018255875 1254979716345 1304559161929 1502671353125 1622885061375 1863093403125 1936697093125 2091632860575 2704808435625 2921193110475 3486054767625 3764939149035 3913677485787 4508014059375 4868655184125 5589280209375 5810091279375 6274898581725 6522795809645 8114425306875 9683485465625 10458164302875 11741032457361 13524042178125 14605965552375 17430273838125 18824695745175 19568387428935 24343275920625 29050456396875 31374492908625 32613979048225 35223097372083 40572126534375 52290821514375 58705162286805 73029827761875 87151369190625 94123478725875 97841937144675 105669292116249 121716379603125 156872464543125 163069895241125 176115486860415 261454107571875 293525811434025 317007876348747 365149138809375 470617393629375 489209685723375 528346460581245 784362322715625 815349476205625 880577434302075 1467629057170125 1585039381743735 2353086968146875 2446048428616875 2641732302906225 4076747381028125 4402887171510375 7338145285850625 7925196908718675 12230242143084375 13208661514531125 22014435857551875 36690726429253125 39625984543593375 66043307572655625 110072179287759375 198129922717966875 330216537863278125 990649613589834375
• Sum of all divisors σ(n): 1859903064329591736
• Sum of proper divisors (its aliquot sum) s(n): 869253450739757361
• 990649613589834375 is a deficient number, because the sum of its proper divisors (869253450739757361) is less than itself. Its deficiency is 121396162850077014

Bases of 990649613589834375

• Binary: 110110111111011111101001001100101010111001100110101010000111₂
• Hexadecimal: 0xDBF7E932AE66A87
• Base-36: 7IYBZ9S4C5FR

Squares and roots of 990649613589834375

• 990649613589834375 squared (990649613589834375²) is 981386656905688160003598339931640625
• 990649613589834375 cubed (990649613589834375³) is 972210312445839338615552783861344656195944915771484375
• The square root of 990649613589834375 is 995313826.6847468923
• The cube root of 990649613589834375 is 996873.4393361345

Scales and comparisons

• 990,649,613,589,834,375 seconds is equal to 31,499,593,431 years, 36 weeks, 5 days, 14 hours, 26 minutes, 15 seconds.
• To count from 1 to 990,649,613,589,834,375 would take you about ninety-four billion, four hundred ninety-eight million, seven hundred eighty thousand, two hundred ninety-five 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 990649613589834375 cubic inches would be around 83072.8 feet tall.

Recreational maths with 990649613589834375

• 990649613589834375 backwards is 573438985316946099
• The number of decimal digits it has is: 18
• The sum of 990649613589834375's digits is 99
• More coming soon!