396240642

Names of 396240642

• Cardinal: 396240642 can be written as Three hundred ninety-six million, two hundred forty thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 3.96240642 × 10⁸

Factors of 396240642

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1981

Divisors of 396240642

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 23 42 46 63 69 73 126 138 146 161 207 219 322 414 438 483 511 657 966 1022 1314 1449 1533 1679 1873 2898 3066 3358 3746 4599 5037 5619 9198 10074 11238 11753 13111 15111 16857 23506 26222 30222 33714 35259 39333 43079 70518 78666 86158 105777 117999 129237 136729 211554 235998 258474 273458 301553 387711 410187 603106 775422 820374 904659 957103 1230561 1809318 1914206 2461122 2713977 2871309 3144767 5427954 5742618 6289534 8613927 9434301 17227854 18868602 22013369 28302903 44026738 56605806 66040107 132080214 198120321 396240642
• Sum of all divisors σ(n): 1038405888
• Sum of proper divisors (its aliquot sum) s(n): 642165246
• 396240642 is an abundant number, because the sum of its proper divisors (642165246) is greater than itself. Its abundance is 245924604

Bases of 396240642

• Binary: 10111100111100010011100000010₂
• Hexadecimal: 0x179E2702
• Base-36: 6JWT8I

Squares and roots of 396240642

• 396240642 squared (396240642²) is 157006646372572164
• 396240642 cubed (396240642³) is 62212414356934965454689288
• The square root of 396240642 is 19905.7941815945
• The cube root of 396240642 is 734.4907648543

Scales and comparisons

• 396,240,642 seconds is equal to 12 years, 31 weeks, 1 day, 2 hours, 50 minutes, 42 seconds.
• To count from 1 to 396,240,642 would take you about eighteen years!

  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 396240642 cubic inches would be around 61.2 feet tall.

Recreational maths with 396240642

• 396240642 backwards is 246042693
• The number of decimal digits it has is: 9
• The sum of 396240642's digits is 36
• More coming soon!