40891305

Names of 40891305

• Cardinal: 40891305 can be written as Forty million, eight hundred ninety-one thousand, three hundred five.

Scientific notation

• Scientific notation: 4.0891305 × 10⁷

Factors of 40891305

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1090

Divisors of 40891305

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 7 13 15 21 29 35 39 65 87 91 105 145 195 203 273 377 435 455 609 1015 1033 1131 1365 1885 2639 3045 3099 5165 5655 7231 7917 13195 13429 15495 21693 29957 36155 39585 40287 67145 89871 94003 108465 149785 201435 209699 282009 389441 449355 470015 629097 1048495 1168323 1410045 1947205 2726087 3145485 5841615 8178261 13630435 40891305
• Sum of all divisors σ(n): 83381760
• Sum of proper divisors (its aliquot sum) s(n): 42490455
• 40891305 is an abundant number, because the sum of its proper divisors (42490455) is greater than itself. Its abundance is 1599150

Bases of 40891305

• Binary: 10011011111111001110101001₂
• Hexadecimal: 0x26FF3A9
• Base-36: OCFXL

Squares and roots of 40891305

• 40891305 squared (40891305²) is 1672098824603025
• 40891305 cubed (40891305³) is 68374303026983799197625
• The square root of 40891305 is 6394.6309510401
• The cube root of 40891305 is 344.5167356841

Scales and comparisons

• 40,891,305 seconds is equal to 1 year, 15 weeks, 4 days, 6 hours, 41 minutes, 45 seconds.
• To count from 1 to 40,891,305 would take you about forty-nine weeks!

  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 40891305 cubic inches would be around 28.7 feet tall.

Recreational maths with 40891305

• 40891305 backwards is 50319804
• The number of decimal digits it has is: 8
• The sum of 40891305's digits is 30
• More coming soon!