142407397

Names of 142407397

• Cardinal: 142407397 can be written as One hundred forty-two million, four hundred seven thousand, three hundred ninety-seven.

Scientific notation

• Scientific notation: 1.42407397 × 10⁸

Factors of 142407397

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 417659

Divisors of 142407397

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 31 341 417617 4593787 12946127 142407397
• Sum of all divisors σ(n): 160365312
• Sum of proper divisors (its aliquot sum) s(n): 17957915
• 142407397 is a deficient number, because the sum of its proper divisors (17957915) is less than itself. Its deficiency is 124449482

Bases of 142407397

• Binary: 1000011111001111011011100101₂
• Hexadecimal: 0x87CF6E5
• Base-36: 2CSA91

Squares and roots of 142407397

• 142407397 squared (142407397²) is 20279866720315609
• 142407397 cubed (142407397³) is 2888003031147072896159773
• The square root of 142407397 is 11933.4570431205
• The cube root of 142407397 is 522.2087960149

Scales and comparisons

• 142,407,397 seconds is equal to 4 years, 27 weeks, 3 days, 5 hours, 36 minutes, 37 seconds.
• To count from 1 to 142,407,397 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 142407397 cubic inches would be around 43.5 feet tall.

Recreational maths with 142407397

• 142407397 backwards is 793704241
• The number of decimal digits it has is: 9
• The sum of 142407397's digits is 37
• More coming soon!