142855

Names of 142855

• Cardinal: 142855 can be written as One hundred forty-two thousand, eight hundred fifty-five.

Scientific notation

• Scientific notation: 1.42855 × 10⁵

Factors of 142855

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 28576

Divisors of 142855

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 28571 142855
• Sum of all divisors σ(n): 171432
• Sum of proper divisors (its aliquot sum) s(n): 28577
• 142855 is a deficient number, because the sum of its proper divisors (28577) is less than itself. Its deficiency is 114278

Bases of 142855

• Binary: 100010111000000111₂
• Hexadecimal: 0x22E07
• Base-36: 3287

Squares and roots of 142855

• 142855 squared (142855²) is 20407551025
• 142855 cubed (142855³) is 2915320701676375
• The square root of 142855 is 377.9616382651
• The cube root of 142855 is 52.2755344773

Scales and comparisons

• 142,855 seconds is equal to 1 day, 15 hours, 40 minutes, 55 seconds.
• To count from 1 to 142,855 would take you about fifteen hours.

  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 142855 cubic inches would be around 4.4 feet tall.

Recreational maths with 142855

• 142855 backwards is 558241
• The number of decimal digits it has is: 6
• The sum of 142855's digits is 25
• More coming soon!