142953985

Names of 142953985

• Cardinal: 142953985 can be written as One hundred forty-two million, nine hundred fifty-three thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.42953985 × 10⁸

Factors of 142953985

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 539507

Divisors of 142953985

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 53 265 539449 2697245 28590797 142953985
• Sum of all divisors σ(n): 174781800
• Sum of proper divisors (its aliquot sum) s(n): 31827815
• 142953985 is a deficient number, because the sum of its proper divisors (31827815) is less than itself. Its deficiency is 111126170

Bases of 142953985

• Binary: 1000100001010100111000000001₂
• Hexadecimal: 0x8854E01
• Base-36: 2D4001

Squares and roots of 142953985

• 142953985 squared (142953985²) is 20435841827380225
• 142953985 cubed (142953985³) is 2921385026053685273946625
• The square root of 142953985 is 11956.3366044955
• The cube root of 142953985 is 522.8760568945

Scales and comparisons

• 142,953,985 seconds is equal to 4 years, 28 weeks, 2 days, 13 hours, 26 minutes, 25 seconds.
• To count from 1 to 142,953,985 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 142953985 cubic inches would be around 43.6 feet tall.

Recreational maths with 142953985

• 142953985 backwards is 589359241
• The number of decimal digits it has is: 9
• The sum of 142953985's digits is 46
• More coming soon!