142642655

Names of 142642655

• Cardinal: 142642655 can be written as One hundred forty-two million, six hundred forty-two thousand, six hundred fifty-five.

Scientific notation

• Scientific notation: 1.42642655 × 10⁸

Factors of 142642655

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 97665

Divisors of 142642655

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 293 1465 97367 486835 28528531 142642655
• Sum of all divisors σ(n): 171757152
• Sum of proper divisors (its aliquot sum) s(n): 29114497
• 142642655 is a deficient number, because the sum of its proper divisors (29114497) is less than itself. Its deficiency is 113528158

Bases of 142642655

• Binary: 1000100000001000110111011111₂
• Hexadecimal: 0x8808DDF
• Base-36: 2CXBRZ

Squares and roots of 142642655

• 142642655 squared (142642655²) is 20346927025449025
• 142642655 cubed (142642655³) is 2902339692001301493161375
• The square root of 142642655 is 11943.3100520751
• The cube root of 142642655 is 522.4962019825

Scales and comparisons

• 142,642,655 seconds is equal to 4 years, 27 weeks, 5 days, 22 hours, 57 minutes, 35 seconds.
• To count from 1 to 142,642,655 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 142642655 cubic inches would be around 43.5 feet tall.

Recreational maths with 142642655

• 142642655 backwards is 556246241
• The number of decimal digits it has is: 9
• The sum of 142642655's digits is 35
• More coming soon!