142009

Names of 142009

• Cardinal: 142009 can be written as One hundred forty-two thousand and nine.

Scientific notation

• Scientific notation: 1.42009 × 10⁵

Factors of 142009

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 20294

Divisors of 142009

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 20287 142009
• Sum of all divisors σ(n): 162304
• Sum of proper divisors (its aliquot sum) s(n): 20295
• 142009 is a deficient number, because the sum of its proper divisors (20295) is less than itself. Its deficiency is 121714

Bases of 142009

• Binary: 100010101010111001₂
• Hexadecimal: 0x22AB9
• Base-36: 31KP

Squares and roots of 142009

• 142009 squared (142009²) is 20166556081
• 142009 cubed (142009³) is 2863832462506729
• The square root of 142009 is 376.8408151993
• The cube root of 142009 is 52.1721366445

Scales and comparisons

• 142,009 seconds is equal to 1 day, 15 hours, 26 minutes, 49 seconds.
• To count from 1 to 142,009 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 142009 cubic inches would be around 4.3 feet tall.

Recreational maths with 142009

• 142009 backwards is 900241
• The number of decimal digits it has is: 6
• The sum of 142009's digits is 16
• More coming soon!