990134640469845

Names of 990134640469845

• Cardinal: 990134640469845 can be written as Nine hundred ninety trillion, one hundred thirty-four billion, six hundred forty million, four hundred sixty-nine thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 9.90134640469845 × 10¹⁴

Factors of 990134640469845

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 19598

Divisors of 990134640469845

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 9 13 15 17 27 29 39 45 51 65 81 85 87 117 135 145 153 195 221 255 261 351 377 405 435 459 493 585 663 765 783 1053 1105 1131 1305 1377 1479 1755 1885 1989 2295 2349 2465 3315 3393 3915 4437 5265 5655 5967 6409 6885 7395 9945 10179 11745 13311 16965 17901 19227 19531 22185 29835 30537 32045 39933 50895 57681 58593 66555 89505 96135 97655 152685 173043 175779 199665 253903 288405 292965 332027 519129 527337 566399 761709 865215 878895 996081 1269515 1582011 1660135 1699197 2285127 2595645 2636685 2831995 2988243 3808545 4316351 4980405 5097591 6855381 7363187 7910055 8495985 8964729 9628783 11425635 12949053 14941215 15292773 20566143 21581755 22089561 25487955 26894187 28886349 34276905 36815935 38847159 44823645 45878319 48143915 64745265 66268683 76463865 86659047 102830715 110447805 116541477 125174179 134470935 144431745 194235795 198806049 229391595 259977141 331343415 349624431 375522537 381459961 433295235 582707385 596418147 625870895 779931423 994030245 1126567611 1144379883 1299885705 1748122155 1877612685 1907299805 2982090735 3379702833 3433139649 3899657115 4958979493 5632838055 5721899415 6484819337 10139108499 10299418947 11062338869 14876938479 16898514165 17165698245 19454458011 24794897465 30898256841 32424096685 33187016607 44630815437 50695542495 51497094735 55311694345 58363374033 74384692395 84302651381 97272290055 99561049821 133892446311 143810405297 154491284205 165935083035 175090122099 188059760773 223154077185 252907954143 291816870165 298683149463 401677338933 421513256905 431431215891 497805249105 525270366297 564179282319 669462231555 719052026485 758723862429 875450610495 896049448389 940298803865 1264539770715 1294293647673 1493415747315 1692537846957 2008386694665 2157156079455 2276171587287 2444776890049 2626351831485 2820896411595 3793619312145 3882880943019 4480247241945 5077613540871 6471468238365 6828514761861 7334330670147 8462689234785 11380857936435 11648642829057 12223884450245 15232840622613 19414404715095 22002992010441 25388067704355 34142573809305 36671653350735 58243214145285 66008976031323 76164203113065 110014960052205 198026928093969 330044880156615 990134640469845
• Sum of all divisors σ(n): 2093773086100080
• Sum of proper divisors (its aliquot sum) s(n): 1103638445630235
• 990134640469845 is an abundant number, because the sum of its proper divisors (1103638445630235) is greater than itself. Its abundance is 113503805160390

Bases of 990134640469845

• Binary: 11100001001000010110101111100001100110011101010101₂
• Hexadecimal: 0x38485AF866755
• Base-36: 9QZ1KOF0B9

Squares and roots of 990134640469845

• 990134640469845 squared (990134640469845²) is 980366606258349220082354324025
• 990134640469845 cubed (990134640469845³) is 970694937216252700137976758280530493371526125
• The square root of 990134640469845 is 31466404.9498801973
• The cube root of 990134640469845 is 99670.0673237869

Scales and comparisons

• 990,134,640,469,845 seconds is equal to 31,483,218 years, 45 weeks, 5 days, 2 hours, 30 minutes, 45 seconds.
• To count from 1 to 990,134,640,469,845 would take you about seventy-eight million, seven hundred eight thousand and forty-seven 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 990134640469845 cubic inches would be around 8305.8 feet tall.

Recreational maths with 990134640469845

• 990134640469845 backwards is 548964046431099
• The number of decimal digits it has is: 15
• The sum of 990134640469845's digits is 72
• More coming soon!