40212864

Names of 40212864

• Cardinal: 40212864 can be written as Forty million, two hundred twelve thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 4.0212864 × 10⁷

Factors of 40212864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 593

Divisors of 40212864

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 67 72 96 128 134 144 192 201 268 288 384 402 521 536 576 603 804 1042 1072 1152 1206 1563 1608 2084 2144 2412 3126 3216 4168 4288 4689 4824 6252 6432 8336 8576 9378 9648 12504 12864 16672 18756 19296 25008 25728 33344 34907 37512 38592 50016 66688 69814 75024 77184 100032 104721 139628 150048 200064 209442 279256 300096 314163 418884 558512 600192 628326 837768 1117024 1256652 1675536 2234048 2513304 3351072 4468096 5026608 6702144 10053216 13404288 20106432 40212864
• Sum of all divisors σ(n): 117669240
• Sum of proper divisors (its aliquot sum) s(n): 77456376
• 40212864 is an abundant number, because the sum of its proper divisors (77456376) is greater than itself. Its abundance is 37243512

Bases of 40212864

• Binary: 10011001011001100110000000₂
• Hexadecimal: 0x2659980
• Base-36: NXWG0

Squares and roots of 40212864

• 40212864 squared (40212864²) is 1617074431082496
• 40212864 cubed (40212864³) is 65027194174997784428544
• The square root of 40212864 is 6341.3613680345
• The cube root of 40212864 is 342.6007702491

Scales and comparisons

• 40,212,864 seconds is equal to 1 year, 14 weeks, 3 days, 10 hours, 14 minutes, 24 seconds.
• To count from 1 to 40,212,864 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 40212864 cubic inches would be around 28.6 feet tall.

Recreational maths with 40212864

• 40212864 backwards is 46821204
• The number of decimal digits it has is: 8
• The sum of 40212864's digits is 27
• More coming soon!