40149018

Names of 40149018

• Cardinal: 40149018 can be written as Forty million, one hundred forty-nine thousand and eighteen.

Scientific notation

• Scientific notation: 4.0149018 × 10⁷

Factors of 40149018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 345

Divisors of 40149018

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 127 182 193 234 254 273 381 386 546 579 762 819 889 1143 1158 1351 1638 1651 1737 1778 2286 2509 2667 2702 3302 3474 4053 4953 5018 5334 7527 8001 8106 9906 11557 12159 14859 15054 16002 17563 22581 23114 24318 24511 29718 34671 35126 45162 49022 52689 69342 73533 104013 105378 147066 158067 171577 208026 220599 316134 318643 343154 441198 514731 637286 955929 1029462 1544193 1911858 2230501 2867787 3088386 4461002 5735574 6691503 13383006 20074509 40149018
• Sum of all divisors σ(n): 108466176
• Sum of proper divisors (its aliquot sum) s(n): 68317158
• 40149018 is an abundant number, because the sum of its proper divisors (68317158) is greater than itself. Its abundance is 28168140

Bases of 40149018

• Binary: 10011001001010000000011010₂
• Hexadecimal: 0x264A01A
• Base-36: NWJ6I

Squares and roots of 40149018

• 40149018 squared (40149018²) is 1611943646364324
• 40149018 cubed (40149018³) is 64717954472866878833832
• The square root of 40149018 is 6336.3252757413
• The cube root of 40149018 is 342.4193583565

Scales and comparisons

• 40,149,018 seconds is equal to 1 year, 14 weeks, 2 days, 16 hours, 30 minutes, 18 seconds.
• To count from 1 to 40,149,018 would take you about forty-seven 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 40149018 cubic inches would be around 28.5 feet tall.

Recreational maths with 40149018

• 40149018 backwards is 81094104
• The number of decimal digits it has is: 8
• The sum of 40149018's digits is 27
• More coming soon!