1380571921

Names of 1380571921

• Cardinal: 1380571921 can be written as One billion, three hundred eighty million, five hundred seventy-one thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.380571921 × 10⁹

Factors of 1380571921

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 48611

Divisors of 1380571921

• Number of divisors d(n): 8
• Complete list of divisors:
  1 17 1733 29461 46861 796637 81210113 1380571921
• Sum of all divisors σ(n): 1462656744
• Sum of proper divisors (its aliquot sum) s(n): 82084823
• 1380571921 is a deficient number, because the sum of its proper divisors (82084823) is less than itself. Its deficiency is 1298487098

Bases of 1380571921

• Binary: 1010010010010011101101100010001₂
• Hexadecimal: 0x5249DB11
• Base-36: MTYG41

Squares and roots of 1380571921

• 1380571921 squared (1380571921²) is 1905978829053630241
• 1380571921 cubed (1380571921³) is 2631340853411900913841062961
• The square root of 1380571921 is 37156.0482425137
• The cube root of 1380571921 is 1113.4900623077

Scales and comparisons

• 1,380,571,921 seconds is equal to 43 years, 46 weeks, 4 days, 20 hours, 12 minutes, 1 second.
• To count from 1 to 1,380,571,921 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 1380571921 cubic inches would be around 92.8 feet tall.

Recreational maths with 1380571921

• 1380571921 backwards is 1291750831
• The number of decimal digits it has is: 10
• The sum of 1380571921's digits is 37
• More coming soon!