40338012

Names of 40338012

• Cardinal: 40338012 can be written as Forty million, three hundred thirty-eight thousand and twelve.

Scientific notation

• Scientific notation: 4.0338012 × 10⁷

Factors of 40338012

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2166

Divisors of 40338012

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 11 12 13 22 26 33 39 44 52 66 78 121 132 143 156 242 286 363 429 484 572 726 858 1452 1573 1716 2137 3146 4274 4719 6292 6411 8548 9438 12822 18876 23507 25644 27781 47014 55562 70521 83343 94028 111124 141042 166686 258577 282084 305591 333372 517154 611182 775731 916773 1034308 1222364 1551462 1833546 3102924 3361501 3667092 6723002 10084503 13446004 20169006 40338012
• Sum of all divisors σ(n): 111466768
• Sum of proper divisors (its aliquot sum) s(n): 71128756
• 40338012 is an abundant number, because the sum of its proper divisors (71128756) is greater than itself. Its abundance is 30790744

Bases of 40338012

• Binary: 10011001111000001001011100₂
• Hexadecimal: 0x267825C
• Base-36: O0L0C

Squares and roots of 40338012

• 40338012 squared (40338012²) is 1627155212112144
• 40338012 cubed (40338012³) is 65636206472042210017728
• The square root of 40338012 is 6351.2212998761
• The cube root of 40338012 is 342.9558092025

Scales and comparisons

• 40,338,012 seconds is equal to 1 year, 14 weeks, 4 days, 21 hours, 12 seconds.
• To count from 1 to 40,338,012 would take you about forty-eight 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 40338012 cubic inches would be around 28.6 feet tall.

Recreational maths with 40338012

• 40338012 backwards is 21083304
• The number of decimal digits it has is: 8
• The sum of 40338012's digits is 21
• More coming soon!