3942289986

Names of 3942289986

• Cardinal: 3942289986 can be written as Three billion, nine hundred forty-two million, two hundred eighty-nine thousand, nine hundred eighty-six.

Scientific notation

• Scientific notation: 3.942289986 × 10⁹

Factors of 3942289986

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5603

Divisors of 3942289986

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 29 37 58 74 87 111 113 174 222 226 339 678 1073 2146 3219 3277 4181 5419 6438 6554 8362 9831 10838 12543 16257 19662 25086 32514 121249 157151 200503 242498 314302 363747 401006 471453 601509 612347 727494 942906 1203018 1224694 1837041 3674082 5814587 11629174 17443761 17758063 22656839 34887522 35516126 45313678 53274189 67970517 106548378 135941034 657048331 1314096662 1971144993 3942289986
• Sum of all divisors σ(n): 8452598400
• Sum of proper divisors (its aliquot sum) s(n): 4510308414
• 3942289986 is an abundant number, because the sum of its proper divisors (4510308414) is greater than itself. Its abundance is 568018428

Bases of 3942289986

• Binary: 11101010111110101001001001000010₂
• Hexadecimal: 0xEAFA9242
• Base-36: 1T74YF6

Squares and roots of 3942289986

• 3942289986 squared (3942289986²) is 15541650333715880196
• 3942289986 cubed (3942289986³) is 61269692476521672665866517256
• The square root of 3942289986 is 62787.6579114081
• The cube root of 3942289986 is 1579.7299631977

Scales and comparisons

• 3,942,289,986 seconds is equal to 125 years, 18 weeks, 2 days, 8 hours, 33 minutes, 6 seconds.
• To count from 1 to 3,942,289,986 would take you about two hundred fifty 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 3942289986 cubic inches would be around 131.6 feet tall.

Recreational maths with 3942289986

• 3942289986 backwards is 6899822493
• The number of decimal digits it has is: 10
• The sum of 3942289986's digits is 60
• More coming soon!