42728727

Names of 42728727

• Cardinal: 42728727 can be written as Forty-two million, seven hundred twenty-eight thousand, seven hundred twenty-seven.

Scientific notation

• Scientific notation: 4.2728727 × 10⁷

Factors of 42728727

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 14242912

Divisors of 42728727

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 14242909 42728727
• Sum of all divisors σ(n): 56971640
• Sum of proper divisors (its aliquot sum) s(n): 14242913
• 42728727 is a deficient number, because the sum of its proper divisors (14242913) is less than itself. Its deficiency is 28485814

Bases of 42728727

• Binary: 10100010111111110100010111₂
• Hexadecimal: 0x28BFD17
• Base-36: PFTP3

Squares and roots of 42728727

• 42728727 squared (42728727²) is 1825744111040529
• 42728727 cubed (42728727³) is 78011721692508449576583
• The square root of 42728727 is 6536.7214259137
• The cube root of 42728727 is 349.6015247391

Scales and comparisons

• 42,728,727 seconds is equal to 1 year, 18 weeks, 4 days, 13 hours, 5 minutes, 27 seconds.
• To count from 1 to 42,728,727 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 42728727 cubic inches would be around 29.1 feet tall.

Recreational maths with 42728727

• 42728727 backwards is 72782724
• The number of decimal digits it has is: 8
• The sum of 42728727's digits is 39
• More coming soon!