1345390081

Names of 1345390081

• Cardinal: 1345390081 can be written as One billion, three hundred forty-five million, three hundred ninety thousand and eighty-one.

Scientific notation

• Scientific notation: 1.345390081 × 10⁹

Factors of 1345390081

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 665071

Divisors of 1345390081

• Number of divisors d(n): 12
• Complete list of divisors:
  1 7 17 119 289 2023 665047 4655329 11305799 79140593 192198583 1345390081
• Sum of all divisors σ(n): 1633357888
• Sum of proper divisors (its aliquot sum) s(n): 287967807
• 1345390081 is a deficient number, because the sum of its proper divisors (287967807) is less than itself. Its deficiency is 1057422274

Bases of 1345390081

• Binary: 1010000001100010000011000000001₂
• Hexadecimal: 0x50310601
• Base-36: M90DMP

Squares and roots of 1345390081

• 1345390081 squared (1345390081²) is 1810074470053186561
• 1345390081 cubed (1345390081³) is 2435256237880888741611901441
• The square root of 1345390081 is 36679.5594439191
• The cube root of 1345390081 is 1103.9500085119

Scales and comparisons

• 1,345,390,081 seconds is equal to 42 years, 40 weeks, 3 days, 15 hours, 28 minutes, 1 second.
• To count from 1 to 1,345,390,081 would take you about eighty-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 1345390081 cubic inches would be around 92 feet tall.

Recreational maths with 1345390081

• 1345390081 backwards is 1800935431
• The number of decimal digits it has is: 10
• The sum of 1345390081's digits is 34
• More coming soon!