142264815

Names of 142264815

• Cardinal: 142264815 can be written as One hundred forty-two million, two hundred sixty-four thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 1.42264815 × 10⁸

Factors of 142264815

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3392

Divisors of 142264815

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 7 11 15 21 33 35 37 55 77 105 111 165 185 231 259 385 407 555 777 1155 1221 1295 2035 2849 3329 3885 6105 8547 9987 14245 16645 23303 36619 42735 49935 69909 109857 116515 123173 183095 256333 349545 369519 549285 615865 768999 862211 1281665 1354903 1847595 2586633 3844995 4064709 4311055 6774515 9484321 12933165 20323545 28452963 47421605 142264815
• Sum of all divisors σ(n): 291548160
• Sum of proper divisors (its aliquot sum) s(n): 149283345
• 142264815 is an abundant number, because the sum of its proper divisors (149283345) is greater than itself. Its abundance is 7018530

Bases of 142264815

• Binary: 1000011110101100100111101111₂
• Hexadecimal: 0x87AC9EF
• Base-36: 2CP88F

Squares and roots of 142264815

• 142264815 squared (142264815²) is 20239277586984225
• 142264815 cubed (142264815³) is 2879337081645957177543375
• The square root of 142264815 is 11927.4815028153
• The cube root of 142264815 is 522.0344547947

Scales and comparisons

• 142,264,815 seconds is equal to 4 years, 27 weeks, 1 day, 14 hours, 15 seconds.
• To count from 1 to 142,264,815 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 142264815 cubic inches would be around 43.5 feet tall.

Recreational maths with 142264815

• 142264815 backwards is 518462241
• 142264815 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142264815's digits is 33
• More coming soon!