1189320018

Names of 1189320018

• Cardinal: 1189320018 can be written as One billion, one hundred eighty-nine million, three hundred twenty thousand and eighteen.

Scientific notation

• Scientific notation: 1.189320018 × 10⁹

Factors of 1189320018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1416

Divisors of 1189320018

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 23 46 69 138 367 529 734 1021 1058 1101 1587 2042 2202 3063 3174 6126 8441 16882 23483 25323 46966 50646 70449 140898 194143 374707 388286 540109 582429 749414 1080218 1124121 1164858 1620327 2248242 3240654 8618261 17236522 25854783 51709566 198220003 396440006 594660009 1189320018
• Sum of all divisors σ(n): 2495773056
• Sum of proper divisors (its aliquot sum) s(n): 1306453038
• 1189320018 is an abundant number, because the sum of its proper divisors (1306453038) is greater than itself. Its abundance is 117133020

Bases of 1189320018

• Binary: 1000110111000111001010101010010₂
• Hexadecimal: 0x46E39552
• Base-36: JO3976

Squares and roots of 1189320018

• 1189320018 squared (1189320018²) is 1414482105215520324
• 1189320018 cubed (1189320018³) is 1682271882835600525619045832
• The square root of 1189320018 is 34486.5193662683
• The cube root of 1189320018 is 1059.4966216769

Scales and comparisons

• 1,189,320,018 seconds is equal to 37 years, 42 weeks, 3 days, 6 hours, 40 minutes, 18 seconds.
• To count from 1 to 1,189,320,018 would take you about seventy-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 1189320018 cubic inches would be around 88.3 feet tall.

Recreational maths with 1189320018

• 1189320018 backwards is 8100239811
• The number of decimal digits it has is: 10
• The sum of 1189320018's digits is 33
• More coming soon!