40831245

Names of 40831245

• Cardinal: 40831245 can be written as Forty million, eight hundred thirty-one thousand, two hundred forty-five.

Scientific notation

• Scientific notation: 4.0831245 × 10⁷

Factors of 40831245

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 87

Divisors of 40831245

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 9 13 15 21 35 39 45 59 63 65 91 105 117 169 177 195 273 295 315 413 455 507 531 585 767 819 845 885 1183 1239 1365 1521 2065 2197 2301 2535 2655 3549 3717 3835 4095 5369 5915 6195 6591 6903 7605 9971 10647 10985 11505 15379 16107 17745 18585 19773 26845 29913 32955 34515 46137 48321 49855 53235 69797 76895 80535 89739 98865 129623 138411 149565 209391 230685 241605 348985 388869 448695 628173 648115 692055 907361 1046955 1166607 1944345 2722083 3140865 4536805 5833035 8166249 13610415 40831245
• Sum of all divisors σ(n): 89107200
• Sum of proper divisors (its aliquot sum) s(n): 48275955
• 40831245 is an abundant number, because the sum of its proper divisors (48275955) is greater than itself. Its abundance is 7444710

Bases of 40831245

• Binary: 10011011110000100100001101₂
• Hexadecimal: 0x26F090D
• Base-36: OB5L9

Squares and roots of 40831245

• 40831245 squared (40831245²) is 1667190568250025
• 40831245 cubed (40831245³) is 68073466553905992031125
• The square root of 40831245 is 6389.9330982411
• The cube root of 40831245 is 344.3479808689

Scales and comparisons

• 40,831,245 seconds is equal to 1 year, 15 weeks, 3 days, 14 hours, 45 seconds.
• To count from 1 to 40,831,245 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 40831245 cubic inches would be around 28.7 feet tall.

Recreational maths with 40831245

• 40831245 backwards is 54213804
• The number of decimal digits it has is: 8
• The sum of 40831245's digits is 27
• More coming soon!