3940722864

Names of 3940722864

• Cardinal: 3940722864 can be written as Three billion, nine hundred forty million, seven hundred twenty-two thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 3.940722864 × 10⁹

Factors of 3940722864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8466

Divisors of 3940722864

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 257 312 468 514 624 771 936 1028 1542 1872 2056 2313 3084 3341 4112 4626 6168 6682 8191 9252 10023 12336 13364 16382 18504 20046 24573 26728 30069 32764 37008 40092 49146 53456 60138 65528 73719 80184 98292 106483 120276 131056 147438 160368 196584 212966 240552 294876 319449 393168 425932 481104 589752 638898 851864 958347 1179504 1277796 1703728 1916694 2105087 2555592 3833388 4210174 5111184 6315261 7666776 8420348 12630522 15333552 16840696 18945783 25261044 27366131 33681392 37891566 50522088 54732262 75783132 82098393 101044176 109464524 151566264 164196786 218929048 246295179 303132528 328393572 437858096 492590358 656787144 985180716 1313574288 1970361432 3940722864
• Sum of all divisors σ(n): 11924570112
• Sum of proper divisors (its aliquot sum) s(n): 7983847248
• 3940722864 is an abundant number, because the sum of its proper divisors (7983847248) is greater than itself. Its abundance is 4043124384

Bases of 3940722864

• Binary: 11101010111000101010100010110000₂
• Hexadecimal: 0xEAE2A8B0
• Base-36: 1T67D80

Squares and roots of 3940722864

• 3940722864 squared (3940722864²) is 15529296690852362496
• 3940722864 cubed (3940722864³) is 61196654531481444536403308544
• The square root of 3940722864 is 62775.1771323665
• The cube root of 3940722864 is 1579.5206129897

Scales and comparisons

• 3,940,722,864 seconds is equal to 125 years, 15 weeks, 5 days, 5 hours, 14 minutes, 24 seconds.
• To count from 1 to 3,940,722,864 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 3940722864 cubic inches would be around 131.6 feet tall.

Recreational maths with 3940722864

• 3940722864 backwards is 4682270493
• The number of decimal digits it has is: 10
• The sum of 3940722864's digits is 45
• More coming soon!