142450139

Names of 142450139

• Cardinal: 142450139 can be written as One hundred forty-two million, four hundred fifty thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 1.42450139 × 10⁸

Factors of 142450139

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 8869

Divisors of 142450139

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 1487 7369 19331 95797 10957703 142450139
• Sum of all divisors σ(n): 153531840
• Sum of proper divisors (its aliquot sum) s(n): 11081701
• 142450139 is a deficient number, because the sum of its proper divisors (11081701) is less than itself. Its deficiency is 131368438

Bases of 142450139

• Binary: 1000011111011001110111011011₂
• Hexadecimal: 0x87D9DDB
• Base-36: 2CT78B

Squares and roots of 142450139

• 142450139 squared (142450139²) is 20292042101119321
• 142450139 cubed (142450139³) is 2890604217898299332035619
• The square root of 142450139 is 11935.2477561215
• The cube root of 142450139 is 522.2610358473

Scales and comparisons

• 142,450,139 seconds is equal to 4 years, 27 weeks, 3 days, 17 hours, 28 minutes, 59 seconds.
• To count from 1 to 142,450,139 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 142450139 cubic inches would be around 43.5 feet tall.

Recreational maths with 142450139

• 142450139 backwards is 931054241
• The number of decimal digits it has is: 9
• The sum of 142450139's digits is 29
• More coming soon!