142289999

Names of 142289999

• Cardinal: 142289999 can be written as One hundred forty-two million, two hundred eighty-nine thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.42289999 × 10⁸

Factors of 142289999

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 142289999

Divisors of 142289999

• Number of divisors d(n): 2
• Complete list of divisors:
  1 142289999
• Sum of all divisors σ(n): 142290000
• Sum of proper divisors (its aliquot sum) s(n): 1
• 142289999 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 142289998

Bases of 142289999

• Binary: 1000011110110010110001001111₂
• Hexadecimal: 0x87B2C4F
• Base-36: 2CPRNZ

Squares and roots of 142289999

• 142289999 squared (142289999²) is 20246443815420001
• 142289999 cubed (142289999³) is 2880866470249668126869999
• The square root of 142289999 is 11928.5371693263
• The cube root of 142289999 is 522.0652568359

Scales and comparisons

• 142,289,999 seconds is equal to 4 years, 27 weeks, 1 day, 20 hours, 59 minutes, 59 seconds.
• To count from 1 to 142,289,999 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 142289999 cubic inches would be around 43.5 feet tall.

Recreational maths with 142289999

• 142289999 backwards is 999982241
• The number of decimal digits it has is: 9
• The sum of 142289999's digits is 53
• More coming soon!