990904039102338080

Names of 990904039102338080

• Cardinal: 990904039102338080 can be written as Nine hundred ninety quadrillion, nine hundred four trillion, thirty-nine billion, one hundred two million, three hundred thirty-eight thousand and eighty.

Scientific notation

• Scientific notation: 9.9090403910233808 × 10¹⁷

Factors of 990904039102338080

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6096498361

Divisors of 990904039102338080

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 80 160 1016023 2032046 4064092 5080115 8128184 10160230 16256368 20320460 32512736 40640920 81281840 162563680 6095482331 12190964662 24381929324 30477411655 48763858648 60954823310 97527717296 121909646620 195055434592 243819293240 487638586480 975277172960 6193150244389613 12386300488779226 24772600977558452 30965751221948065 49545201955116904 61931502443896130 99090403910233808 123863004887792260 198180807820467616 247726009775584520 495452019551169040 990904039102338080
• Sum of all divisors σ(n): 2341013096855651904
• Sum of proper divisors (its aliquot sum) s(n): 1350109057753313824
• 990904039102338080 is an abundant number, because the sum of its proper divisors (1350109057753313824) is greater than itself. Its abundance is 359205018650975744

Bases of 990904039102338080

• Binary: 110111000000011001011111100100111001001100011101010000100000₂
• Hexadecimal: 0xDC065F93931D420
• Base-36: 7J0U5Z8XERKW

Squares and roots of 990904039102338080

• 990904039102338080 squared (990904039102338080²) is 981890814709327954641483322618086400
• 990904039102338080 cubed (990904039102338080³) is 972959574252958501976843002301738359799725135450112000
• The square root of 990904039102338080 is 995441630.1834769457
• The cube root of 990904039102338080 is 996958.7733507427

Scales and comparisons

• 990,904,039,102,338,080 seconds is equal to 31,507,683,376 years, 5 days, 15 hours, 41 minutes, 20 seconds.
• To count from 1 to 990,904,039,102,338,080 would take you about ninety-four billion, five hundred twenty-three million, fifty thousand, one hundred twenty-eight 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 990904039102338080 cubic inches would be around 83079.9 feet tall.

Recreational maths with 990904039102338080

• 990904039102338080 backwards is 080833201930409099
• The number of decimal digits it has is: 18
• The sum of 990904039102338080's digits is 68
• More coming soon!