142939087

Names of 142939087

• Cardinal: 142939087 can be written as One hundred forty-two million, nine hundred thirty-nine thousand and eighty-seven.

Scientific notation

• Scientific notation: 1.42939087 × 10⁸

Factors of 142939087

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1043488

Divisors of 142939087

• Number of divisors d(n): 4
• Complete list of divisors:
  1 137 1043351 142939087
• Sum of all divisors σ(n): 143982576
• Sum of proper divisors (its aliquot sum) s(n): 1043489
• 142939087 is a deficient number, because the sum of its proper divisors (1043489) is less than itself. Its deficiency is 141895598

Bases of 142939087

• Binary: 1000100001010001001111001111₂
• Hexadecimal: 0x88513CF
• Base-36: 2D3OI7

Squares and roots of 142939087

• 142939087 squared (142939087²) is 20431582592393569
• 142939087 cubed (142939087³) is 2920471761721829897531503
• The square root of 142939087 is 11955.7135713433
• The cube root of 142939087 is 522.8578923595

Scales and comparisons

• 142,939,087 seconds is equal to 4 years, 28 weeks, 2 days, 9 hours, 18 minutes, 7 seconds.
• To count from 1 to 142,939,087 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 142939087 cubic inches would be around 43.6 feet tall.

Recreational maths with 142939087

• 142939087 backwards is 780939241
• The number of decimal digits it has is: 9
• The sum of 142939087's digits is 43
• More coming soon!