40749345

Names of 40749345

• Cardinal: 40749345 can be written as Forty million, seven hundred forty-nine thousand, three hundred forty-five.

Scientific notation

• Scientific notation: 4.0749345 × 10⁷

Factors of 40749345

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 166

Divisors of 40749345

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 9 13 15 21 27 31 35 39 45 63 65 91 93 105 107 117 135 155 189 195 217 273 279 315 321 351 403 455 465 535 585 651 749 819 837 945 963 1085 1209 1365 1391 1395 1605 1755 1953 2015 2247 2457 2821 2889 3255 3317 3627 3745 4095 4173 4185 4815 5859 6045 6741 6955 8463 9737 9765 9951 10881 11235 12285 12519 14105 14445 16585 18135 20223 20865 23219 25389 29211 29295 29853 33705 37557 42315 43121 48685 49755 54405 62595 69657 76167 87633 89559 101115 116095 126945 129363 146055 149265 187785 208971 215605 262899 301847 348285 380835 388089 438165 447795 626913 646815 905541 1044855 1164267 1314495 1509235 1940445 2716623 3134565 4527705 5821335 8149869 13583115 40749345
• Sum of all divisors σ(n): 92897280
• Sum of proper divisors (its aliquot sum) s(n): 52147935
• 40749345 is an abundant number, because the sum of its proper divisors (52147935) is greater than itself. Its abundance is 11398590

Bases of 40749345

• Binary: 10011011011100100100100001₂
• Hexadecimal: 0x26DC921
• Base-36: O9EE9

Squares and roots of 40749345

• 40749345 squared (40749345²) is 1660509117929025
• 40749345 cubed (40749345³) is 67664658922135525238625
• The square root of 40749345 is 6383.5213636363
• The cube root of 40749345 is 344.1175937657

Scales and comparisons

• 40,749,345 seconds is equal to 1 year, 15 weeks, 2 days, 15 hours, 15 minutes, 45 seconds.
• To count from 1 to 40,749,345 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 40749345 cubic inches would be around 28.7 feet tall.

Recreational maths with 40749345

• 40749345 backwards is 54394704
• The number of decimal digits it has is: 8
• The sum of 40749345's digits is 36
• More coming soon!