142529945

Names of 142529945

• Cardinal: 142529945 can be written as One hundred forty-two million, five hundred twenty-nine thousand, nine hundred forty-five.

Scientific notation

• Scientific notation: 1.42529945 × 10⁸

Factors of 142529945

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 390571

Divisors of 142529945

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 73 365 390493 1952465 28505989 142529945
• Sum of all divisors σ(n): 173379336
• Sum of proper divisors (its aliquot sum) s(n): 30849391
• 142529945 is a deficient number, because the sum of its proper divisors (30849391) is less than itself. Its deficiency is 111680554

Bases of 142529945

• Binary: 1000011111101101010110011001₂
• Hexadecimal: 0x87ED599
• Base-36: 2CUWT5

Squares and roots of 142529945

• 142529945 squared (142529945²) is 20314785221703025
• 142529945 cubed (142529945³) is 2895465220336144959583625
• The square root of 142529945 is 11938.5905784561
• The cube root of 142529945 is 522.3585478223

Scales and comparisons

• 142,529,945 seconds is equal to 4 years, 27 weeks, 4 days, 15 hours, 39 minutes, 5 seconds.
• To count from 1 to 142,529,945 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 142529945 cubic inches would be around 43.5 feet tall.

Recreational maths with 142529945

• 142529945 backwards is 549925241
• The number of decimal digits it has is: 9
• The sum of 142529945's digits is 41
• More coming soon!