1438909342

Names of 1438909342

• Cardinal: 1438909342 can be written as One billion, four hundred thirty-eight million, nine hundred nine thousand, three hundred forty-two.

Scientific notation

• Scientific notation: 1.438909342 × 10⁹

Factors of 1438909342

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 3255483

Divisors of 1438909342

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 13 17 26 34 221 442 3255451 6510902 42320863 55342667 84641726 110685334 719454671 1438909342
• Sum of all divisors σ(n): 2461121712
• Sum of proper divisors (its aliquot sum) s(n): 1022212370
• 1438909342 is a deficient number, because the sum of its proper divisors (1022212370) is less than itself. Its deficiency is 416696972

Bases of 1438909342

• Binary: 1010101110001000000001110011110₂
• Hexadecimal: 0x55C4039E
• Base-36: NSOTJY

Squares and roots of 1438909342

• 1438909342 squared (1438909342²) is 2070460094494872964
• 1438909342 cubed (1438909342³) is 2979204372206875479002829688
• The square root of 1438909342 is 37932.9585189449
• The cube root of 1438909342 is 1128.9580658513

Scales and comparisons

• 1,438,909,342 seconds is equal to 45 years, 39 weeks, 1 day, 1 hour, 2 minutes, 22 seconds.
• To count from 1 to 1,438,909,342 would take you about ninety-one 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 1438909342 cubic inches would be around 94.1 feet tall.

Recreational maths with 1438909342

• 1438909342 backwards is 2439098341
• The number of decimal digits it has is: 10
• The sum of 1438909342's digits is 43
• More coming soon!