1540531139

Names of 1540531139

• Cardinal: 1540531139 can be written as One billion, five hundred forty million, five hundred thirty-one thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 1.540531139 × 10⁹

Factors of 1540531139

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 305347

Divisors of 1540531139

• Number of divisors d(n): 12
• Complete list of divisors:
  1 7 49 103 721 5047 305237 2136659 14956613 31439411 220075877 1540531139
• Sum of all divisors σ(n): 1809450864
• Sum of proper divisors (its aliquot sum) s(n): 268919725
• 1540531139 is a deficient number, because the sum of its proper divisors (268919725) is less than itself. Its deficiency is 1271611414

Bases of 1540531139

• Binary: 1011011110100101010001111000011₂
• Hexadecimal: 0x5BD2A3C3
• Base-36: PH6XFN

Squares and roots of 1540531139

• 1540531139 squared (1540531139²) is 2373236190228637321
• 1540531139 cubed (1540531139³) is 3656044251248943322538038619
• The square root of 1540531139 is 39249.6004947821
• The cube root of 1540531139 is 1154.9330968287

Scales and comparisons

• 1,540,531,139 seconds is equal to 48 years, 51 weeks, 1 day, 5 hours, 18 minutes, 59 seconds.
• To count from 1 to 1,540,531,139 would take you about ninety-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 1540531139 cubic inches would be around 96.2 feet tall.

Recreational maths with 1540531139

• 1540531139 backwards is 9311350451
• The number of decimal digits it has is: 10
• The sum of 1540531139's digits is 32
• More coming soon!