1380856387

Names of 1380856387

• Cardinal: 1380856387 can be written as One billion, three hundred eighty million, eight hundred fifty-six thousand, three hundred eighty-seven.

Scientific notation

• Scientific notation: 1.380856387 × 10⁹

Factors of 1380856387

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 96692

Divisors of 1380856387

• Number of divisors d(n): 4
• Complete list of divisors:
  1 17419 79273 1380856387
• Sum of all divisors σ(n): 1380953080
• Sum of proper divisors (its aliquot sum) s(n): 96693
• 1380856387 is a deficient number, because the sum of its proper divisors (96693) is less than itself. Its deficiency is 1380759694

Bases of 1380856387

• Binary: 1010010010011100011001001000011₂
• Hexadecimal: 0x524E3243
• Base-36: MU4JLV

Squares and roots of 1380856387

• 1380856387 squared (1380856387²) is 1906764361518693769
• 1380856387 cubed (1380856387³) is 2632967747107065310820752603
• The square root of 1380856387 is 37159.8760358535
• The cube root of 1380856387 is 1113.5665350377

Scales and comparisons

• 1,380,856,387 seconds is equal to 43 years, 47 weeks, 1 day, 3 hours, 13 minutes, 7 seconds.
• To count from 1 to 1,380,856,387 would take you about eighty-seven 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 1380856387 cubic inches would be around 92.8 feet tall.

Recreational maths with 1380856387

• 1380856387 backwards is 7836580831
• The number of decimal digits it has is: 10
• The sum of 1380856387's digits is 49
• More coming soon!