142121923

Names of 142121923

• Cardinal: 142121923 can be written as One hundred forty-two million, one hundred twenty-one thousand, nine hundred twenty-three.

Scientific notation

• Scientific notation: 1.42121923 × 10⁸

Factors of 142121923

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3681

Divisors of 142121923

• Number of divisors d(n): 8
• Complete list of divisors:
  1 43 1759 1879 75637 80797 3305161 142121923
• Sum of all divisors σ(n): 145587200
• Sum of proper divisors (its aliquot sum) s(n): 3465277
• 142121923 is a deficient number, because the sum of its proper divisors (3465277) is less than itself. Its deficiency is 138656646

Bases of 142121923

• Binary: 1000011110001001101111000011₂
• Hexadecimal: 0x8789BC3
• Base-36: 2CM5Z7

Squares and roots of 142121923

• 142121923 squared (142121923²) is 20198640997217929
• 142121923 cubed (142121923³) is 2870669700511249719557467
• The square root of 142121923 is 11921.4899656041
• The cube root of 142121923 is 521.8596176181

Scales and comparisons

• 142,121,923 seconds is equal to 4 years, 26 weeks, 6 days, 22 hours, 18 minutes, 43 seconds.
• To count from 1 to 142,121,923 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 142121923 cubic inches would be around 43.5 feet tall.

Recreational maths with 142121923

• 142121923 backwards is 329121241
• The number of decimal digits it has is: 9
• The sum of 142121923's digits is 25
• More coming soon!