42748418

Names of 42748418

• Cardinal: 42748418 can be written as Forty-two million, seven hundred forty-eight thousand, four hundred eighteen.

Scientific notation

• Scientific notation: 4.2748418 × 10⁷

Factors of 42748418

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 21374211

Divisors of 42748418

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 21374209 42748418
• Sum of all divisors σ(n): 64122630
• Sum of proper divisors (its aliquot sum) s(n): 21374212
• 42748418 is a deficient number, because the sum of its proper divisors (21374212) is less than itself. Its deficiency is 21374206

Bases of 42748418

• Binary: 10100011000100101000000010₂
• Hexadecimal: 0x28C4A02
• Base-36: PG8W2

Squares and roots of 42748418

• 42748418 squared (42748418²) is 1827427241502724
• 42748418 cubed (42748418³) is 78119623584345393690632
• The square root of 42748418 is 6538.2274356279
• The cube root of 42748418 is 349.6552196567

Scales and comparisons

• 42,748,418 seconds is equal to 1 year, 18 weeks, 4 days, 18 hours, 33 minutes, 38 seconds.
• To count from 1 to 42,748,418 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 42748418 cubic inches would be around 29.1 feet tall.

Recreational maths with 42748418

• 42748418 backwards is 81484724
• The number of decimal digits it has is: 8
• The sum of 42748418's digits is 38
• More coming soon!