1819243309

Names of 1819243309

• Cardinal: 1819243309 can be written as One billion, eight hundred nineteen million, two hundred forty-three thousand, three hundred nine.

Scientific notation

• Scientific notation: 1.819243309 × 10⁹

Factors of 1819243309

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 891519

Divisors of 1819243309

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 157 2041 891349 11587537 139941793 1819243309
• Sum of all divisors σ(n): 1971666200
• Sum of proper divisors (its aliquot sum) s(n): 152422891
• 1819243309 is a deficient number, because the sum of its proper divisors (152422891) is less than itself. Its deficiency is 1666820418

Bases of 1819243309

• Binary: 1101100011011110111001100101101₂
• Hexadecimal: 0x6C6F732D
• Base-36: U34P4D

Squares and roots of 1819243309

• 1819243309 squared (1819243309²) is 3309646217341269481
• 1819243309 cubed (1819243309³) is 6021051736055264272875152629
• The square root of 1819243309 is 42652.5885380947
• The cube root of 1819243309 is 1220.7599200463

Scales and comparisons

• 1,819,243,309 seconds is equal to 57 years, 44 weeks, 1 hour, 21 minutes, 49 seconds.
• To count from 1 to 1,819,243,309 would take you about one hundred fifteen 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 1819243309 cubic inches would be around 101.7 feet tall.

Recreational maths with 1819243309

• 1819243309 backwards is 9033429181
• The number of decimal digits it has is: 10
• The sum of 1819243309's digits is 40
• More coming soon!