1388393313

Names of 1388393313

• Cardinal: 1388393313 can be written as One billion, three hundred eighty-eight million, three hundred ninety-three thousand, three hundred thirteen.

Scientific notation

• Scientific notation: 1.388393313 × 10⁹

Factors of 1388393313

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 104775

Divisors of 1388393313

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 4621 13863 100151 300453 462797771 1388393313
• Sum of all divisors σ(n): 1851610176
• Sum of proper divisors (its aliquot sum) s(n): 463216863
• 1388393313 is a deficient number, because the sum of its proper divisors (463216863) is less than itself. Its deficiency is 925176450

Bases of 1388393313

• Binary: 1010010110000010011001101100001₂
• Hexadecimal: 0x52C13361
• Base-36: MYM34X

Squares and roots of 1388393313

• 1388393313 squared (1388393313²) is 1927635991583115969
• 1388393313 cubed (1388393313³) is 2676316920612122495063115297
• The square root of 1388393313 is 37261.1501835357
• The cube root of 1388393313 is 1115.5888657521

Scales and comparisons

• 1,388,393,313 seconds is equal to 44 years, 7 weeks, 4 days, 8 hours, 48 minutes, 33 seconds.
• To count from 1 to 1,388,393,313 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 1388393313 cubic inches would be around 93 feet tall.

Recreational maths with 1388393313

• 1388393313 backwards is 3133938831
• The number of decimal digits it has is: 10
• The sum of 1388393313's digits is 42
• More coming soon!