1321007442

Names of 1321007442

• Cardinal: 1321007442 can be written as One billion, three hundred twenty-one million, seven thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 1.321007442 × 10⁹

Factors of 1321007442

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 189193

Divisors of 1321007442

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 1171 2342 3513 7026 188017 376034 564051 1128102 220167907 440335814 660503721 1321007442
• Sum of all divisors σ(n): 2644285152
• Sum of proper divisors (its aliquot sum) s(n): 1323277710
• 1321007442 is an abundant number, because the sum of its proper divisors (1323277710) is greater than itself. Its abundance is 2270268

Bases of 1321007442

• Binary: 1001110101111001111100101010010₂
• Hexadecimal: 0x4EBCF952
• Base-36: LUHRV6

Squares and roots of 1321007442

• 1321007442 squared (1321007442²) is 1745060661819383364
• 1321007442 cubed (1321007442³) is 2305238121004850683694994888
• The square root of 1321007442 is 36345.6660690101
• The cube root of 1321007442 is 1097.2403114631

Scales and comparisons

• 1,321,007,442 seconds is equal to 42 years, 1 day, 10 hours, 30 minutes, 42 seconds.
• To count from 1 to 1,321,007,442 would take you about eighty-four 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 1321007442 cubic inches would be around 91.4 feet tall.

Recreational maths with 1321007442

• 1321007442 backwards is 2447001231
• The number of decimal digits it has is: 10
• The sum of 1321007442's digits is 24
• More coming soon!