139455142

Names of 139455142

• Cardinal: 139455142 can be written as One hundred thirty-nine million, four hundred fifty-five thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 1.39455142 × 10⁸

Factors of 139455142

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2404430

Divisors of 139455142

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 29 58 2404399 4808798 69727571 139455142
• Sum of all divisors σ(n): 216396000
• Sum of proper divisors (its aliquot sum) s(n): 76940858
• 139455142 is a deficient number, because the sum of its proper divisors (76940858) is less than itself. Its deficiency is 62514284

Bases of 139455142

• Binary: 1000010011111110101010100110₂
• Hexadecimal: 0x84FEAA6
• Base-36: 2B109Y

Squares and roots of 139455142

• 139455142 squared (139455142²) is 19447736630240164
• 139455142 cubed (139455142³) is 2712086873348743564723288
• The square root of 139455142 is 11809.1126677663
• The cube root of 139455142 is 518.5749220569

Scales and comparisons

• 139,455,142 seconds is equal to 4 years, 22 weeks, 4 days, 1 hour, 32 minutes, 22 seconds.
• To count from 1 to 139,455,142 would take you about six 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 139455142 cubic inches would be around 43.2 feet tall.

Recreational maths with 139455142

• 139455142 backwards is 241554931
• The number of decimal digits it has is: 9
• The sum of 139455142's digits is 34
• More coming soon!