40647042

Names of 40647042

• Cardinal: 40647042 can be written as Forty million, six hundred forty-seven thousand and forty-two.

Scientific notation

• Scientific notation: 4.0647042 × 10⁷

Factors of 40647042

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 426

Divisors of 40647042

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 18 19 27 38 54 57 114 171 173 229 342 346 458 513 519 687 1026 1038 1374 1557 2061 3114 3287 4122 4351 4671 6183 6574 8702 9342 9861 12366 13053 19722 26106 29583 39159 39617 59166 78318 79234 88749 117477 118851 177498 234954 237702 356553 713106 752723 1069659 1505446 2139318 2258169 4516338 6774507 13549014 20323521 40647042
• Sum of all divisors σ(n): 96048000
• Sum of proper divisors (its aliquot sum) s(n): 55400958
• 40647042 is an abundant number, because the sum of its proper divisors (55400958) is greater than itself. Its abundance is 14753916

Bases of 40647042

• Binary: 10011011000011100110000010₂
• Hexadecimal: 0x26C3982
• Base-36: O77GI

Squares and roots of 40647042

• 40647042 squared (40647042²) is 1652182023349764
• 40647042 cubed (40647042³) is 67156312094742837998088
• The square root of 40647042 is 6375.5032742521
• The cube root of 40647042 is 343.8293783849

Scales and comparisons

• 40,647,042 seconds is equal to 1 year, 15 weeks, 1 day, 10 hours, 50 minutes, 42 seconds.
• To count from 1 to 40,647,042 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 40647042 cubic inches would be around 28.7 feet tall.

Recreational maths with 40647042

• 40647042 backwards is 24074604
• 40647042 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40647042's digits is 27
• More coming soon!