664109883990

Names of 664109883990

• Cardinal: 664109883990 can be written as Six hundred sixty-four billion, one hundred nine million, eight hundred eighty-three thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 6.6410988399 × 10¹¹

Factors of 664109883990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 351380908

Divisors of 664109883990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 378 630 945 1890 351380891 702761782 1054142673 1756904455 2108285346 2459666237 3162428019 3513808910 4919332474 5270713365 6324856038 7378998711 9487284057 10541426730 12298331185 14757997422 15812140095 18974568114 22136996133 24596662370 31624280190 36894993555 44273992266 47436420285 66410988399 73789987110 94872840570 110684980665 132821976798 221369961330 332054941995 664109883990
• Sum of all divisors σ(n): 2023953937920
• Sum of proper divisors (its aliquot sum) s(n): 1359844053930
• 664109883990 is an abundant number, because the sum of its proper divisors (1359844053930) is greater than itself. Its abundance is 695734169940

Bases of 664109883990

• Binary: 1001101010100000000010001010001001010110₂
• Hexadecimal: 0x9AA008A256
• Base-36: 8H35VM1I

Squares and roots of 664109883990

• 664109883990 squared (664109883990²) is 441041938013211258320100
• 664109883990 cubed (664109883990³) is 292900310288678499850323533285199000
• The square root of 664109883990 is 814929.3736208065
• The cube root of 664109883990 is 8724.6225630821

Scales and comparisons

• 664,109,883,990 seconds is equal to 21,116 years, 33 weeks, 1 day, 23 hours, 46 minutes, 30 seconds.
• To count from 1 to 664,109,883,990 would take you about forty-two thousand, two hundred thirty-three 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 664109883990 cubic inches would be around 727.1 feet tall.

Recreational maths with 664109883990

• 664109883990 backwards is 099388901466
• 664109883990 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 664109883990's digits is 63
• More coming soon!