1142398909

Names of 1142398909

• Cardinal: 1142398909 can be written as One billion, one hundred forty-two million, three hundred ninety-eight thousand, nine hundred nine.

Scientific notation

• Scientific notation: 1.142398909 × 10⁹

Factors of 1142398909

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 8995394

Divisors of 1142398909

• Number of divisors d(n): 4
• Complete list of divisors:
  1 127 8995267 1142398909
• Sum of all divisors σ(n): 1151394304
• Sum of proper divisors (its aliquot sum) s(n): 8995395
• 1142398909 is a deficient number, because the sum of its proper divisors (8995395) is less than itself. Its deficiency is 1133403514

Bases of 1142398909

• Binary: 1000100000101111001111110111101₂
• Hexadecimal: 0x44179FBD
• Base-36: IW5KN1

Squares and roots of 1142398909

• 1142398909 squared (1142398909²) is 1305075267284390281
• 1142398909 cubed (1142398909³) is 1490916561508570849744603429
• The square root of 1142398909 is 33799.3921395045
• The cube root of 1142398909 is 1045.3761636553

Scales and comparisons

• 1,142,398,909 seconds is equal to 36 years, 16 weeks, 6 days, 5 hours, 1 minute, 49 seconds.
• To count from 1 to 1,142,398,909 would take you about seventy-two 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 1142398909 cubic inches would be around 87.1 feet tall.

Recreational maths with 1142398909

• 1142398909 backwards is 9098932411
• The number of decimal digits it has is: 10
• The sum of 1142398909's digits is 46
• More coming soon!