1393740631

Names of 1393740631

• Cardinal: 1393740631 can be written as One billion, three hundred ninety-three million, seven hundred forty thousand, six hundred thirty-one.

Scientific notation

• Scientific notation: 1.393740631 × 10⁹

Factors of 1393740631

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 81984760

Divisors of 1393740631

• Number of divisors d(n): 4
• Complete list of divisors:
  1 17 81984743 1393740631
• Sum of all divisors σ(n): 1475725392
• Sum of proper divisors (its aliquot sum) s(n): 81984761
• 1393740631 is a deficient number, because the sum of its proper divisors (81984761) is less than itself. Its deficiency is 1311755870

Bases of 1393740631

• Binary: 1010011000100101100101101010111₂
• Hexadecimal: 0x5312CB57
• Base-36: N1SP5J

Squares and roots of 1393740631

• 1393740631 squared (1393740631²) is 1942512946500278161
• 1393740631 cubed (1393740631³) is 2707359219780966925787659591
• The square root of 1393740631 is 37332.8358285303
• The cube root of 1393740631 is 1117.0192400403

Scales and comparisons

• 1,393,740,631 seconds is equal to 44 years, 16 weeks, 3 days, 6 hours, 10 minutes, 31 seconds.
• To count from 1 to 1,393,740,631 would take you about eighty-eight 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 1393740631 cubic inches would be around 93.1 feet tall.

Recreational maths with 1393740631

• 1393740631 backwards is 1360473931
• The number of decimal digits it has is: 10
• The sum of 1393740631's digits is 37
• More coming soon!