142864969

Names of 142864969

• Cardinal: 142864969 can be written as One hundred forty-two million, eight hundred sixty-four thousand, nine hundred sixty-nine.

Scientific notation

• Scientific notation: 1.42864969 × 10⁸

Factors of 142864969

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 57147

Divisors of 142864969

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 193 2509 56941 740233 10989613 142864969
• Sum of all divisors σ(n): 154654472
• Sum of proper divisors (its aliquot sum) s(n): 11789503
• 142864969 is a deficient number, because the sum of its proper divisors (11789503) is less than itself. Its deficiency is 131075466

Bases of 142864969

• Binary: 1000100000111111001001001001₂
• Hexadecimal: 0x883F249
• Base-36: 2D23BD

Squares and roots of 142864969

• 142864969 squared (142864969²) is 20410399367370961
• 142864969 cubed (142864969³) is 2915931072897071954765209
• The square root of 142864969 is 11952.6134799047
• The cube root of 142864969 is 522.7675044837

Scales and comparisons

• 142,864,969 seconds is equal to 4 years, 28 weeks, 1 day, 12 hours, 42 minutes, 49 seconds.
• To count from 1 to 142,864,969 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 142864969 cubic inches would be around 43.6 feet tall.

Recreational maths with 142864969

• 142864969 backwards is 969468241
• The number of decimal digits it has is: 9
• The sum of 142864969's digits is 49
• More coming soon!