42402842

Names of 42402842

• Cardinal: 42402842 can be written as Forty-two million, four hundred two thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 4.2402842 × 10⁷

Factors of 42402842

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 21201423

Divisors of 42402842

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 21201421 42402842
• Sum of all divisors σ(n): 63604266
• Sum of proper divisors (its aliquot sum) s(n): 21201424
• 42402842 is a deficient number, because the sum of its proper divisors (21201424) is less than itself. Its deficiency is 21201418

Bases of 42402842

• Binary: 10100001110000010000011010₂
• Hexadecimal: 0x287041A
• Base-36: P8U8Q

Squares and roots of 42402842

• 42402842 squared (42402842²) is 1798001009676964
• 42402842 cubed (42402842³) is 76240352729172775531688
• The square root of 42402842 is 6511.7464631233
• The cube root of 42402842 is 348.7104710617

Scales and comparisons

• 42,402,842 seconds is equal to 1 year, 18 weeks, 18 hours, 34 minutes, 2 seconds.
• To count from 1 to 42,402,842 would take you about two 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 42402842 cubic inches would be around 29.1 feet tall.

Recreational maths with 42402842

• 42402842 backwards is 24820424
• The number of decimal digits it has is: 8
• The sum of 42402842's digits is 26
• More coming soon!