42045218

Names of 42045218

• Cardinal: 42045218 can be written as Forty-two million, forty-five thousand, two hundred eighteen.

Scientific notation

• Scientific notation: 4.2045218 × 10⁷

Factors of 42045218

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 4009

Divisors of 42045218

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 53 103 106 206 3851 5459 7702 10918 204103 396653 408206 793306 21022609 42045218
• Sum of all divisors σ(n): 64898496
• Sum of proper divisors (its aliquot sum) s(n): 22853278
• 42045218 is a deficient number, because the sum of its proper divisors (22853278) is less than itself. Its deficiency is 19191940

Bases of 42045218

• Binary: 10100000011000111100100010₂
• Hexadecimal: 0x2818F22
• Base-36: P16AQ

Squares and roots of 42045218

• 42045218 squared (42045218²) is 1767800356667524
• 42045218 cubed (42045218³) is 74327551376563800100232
• The square root of 42045218 is 6484.2284043671
• The cube root of 42045218 is 347.7273649643

Scales and comparisons

• 42,045,218 seconds is equal to 1 year, 17 weeks, 3 days, 15 hours, 13 minutes, 38 seconds.
• To count from 1 to 42,045,218 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 42045218 cubic inches would be around 29 feet tall.

Recreational maths with 42045218

• 42045218 backwards is 81254024
• The number of decimal digits it has is: 8
• The sum of 42045218's digits is 26
• More coming soon!