390304688668

Names of 390304688668

• Cardinal: 390304688668 can be written as Three hundred ninety billion, three hundred four million, six hundred eighty-eight thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 3.90304688668 × 10¹¹

Factors of 390304688668

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6696

Divisors of 390304688668

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 31 62 124 313 626 1252 3019 3331 6038 6662 9703 12076 13324 19406 38812 93589 103261 187178 206522 374356 413044 944947 1042603 1889894 2085206 3779788 4170412 10056289 20112578 29293357 32320693 40225156 58586714 64641386 117173428 129282772 311744959 623489918 1246979836 3147618457 6295236914 12590473828 97576172167 195152344334 390304688668
• Sum of all divisors σ(n): 707765847040
• Sum of proper divisors (its aliquot sum) s(n): 317461158372
• 390304688668 is a deficient number, because the sum of its proper divisors (317461158372) is less than itself. Its deficiency is 72843530296

Bases of 390304688668

• Binary: 101101011011111111110001110101000011100₂
• Hexadecimal: 0x5ADFF8EA1C
• Base-36: 4ZAXC17G

Squares and roots of 390304688668

• 390304688668 squared (390304688668²) is 152337749996224407614224
• 390304688668 cubed (390304688668³) is 59458138084659985589332426968413632
• The square root of 390304688668 is 624743.6983819845
• The cube root of 390304688668 is 7308.0457276437

Scales and comparisons

• 390,304,688,668 seconds is equal to 12,410 years, 25 weeks, 9 hours, 4 minutes, 28 seconds.
• To count from 1 to 390,304,688,668 would take you about twenty-four thousand, eight hundred twenty 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 390304688668 cubic inches would be around 609 feet tall.

Recreational maths with 390304688668

• 390304688668 backwards is 866886403093
• The number of decimal digits it has is: 12
• The sum of 390304688668's digits is 61
• More coming soon!