742143242

Names of 742143242

• Cardinal: 742143242 can be written as Seven hundred forty-two million, one hundred forty-three thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 7.42143242 × 10⁸

Factors of 742143242

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 239580

Divisors of 742143242

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 1559 3118 238019 476038 371071621 742143242
• Sum of all divisors σ(n): 1113933600
• Sum of proper divisors (its aliquot sum) s(n): 371790358
• 742143242 is a deficient number, because the sum of its proper divisors (371790358) is less than itself. Its deficiency is 370352884

Bases of 742143242

• Binary: 101100001111000011010100001010₂
• Hexadecimal: 0x2C3C350A
• Base-36: C9UPE2

Squares and roots of 742143242

• 742143242 squared (742143242²) is 550776591646270564
• 742143242 cubed (742143242³) is 408755125342073353576128488
• The square root of 742143242 is 27242.3061064955
• The cube root of 742143242 is 905.3765582939

Scales and comparisons

• 742,143,242 seconds is equal to 23 years, 31 weeks, 14 hours, 54 minutes, 2 seconds.
• To count from 1 to 742,143,242 would take you about thirty-five 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 742143242 cubic inches would be around 75.4 feet tall.

Recreational maths with 742143242

• 742143242 backwards is 242341247
• The number of decimal digits it has is: 9
• The sum of 742143242's digits is 29
• More coming soon!