394385004

Names of 394385004

• Cardinal: 394385004 can be written as Three hundred ninety-four million, three hundred eighty-five thousand and four.

Scientific notation

• Scientific notation: 3.94385004 × 10⁸

Factors of 394385004

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1368

Divisors of 394385004

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 234 257 351 468 514 702 771 1028 1093 1404 1542 2186 2313 3084 3279 3341 4372 4626 6558 6682 6939 9252 9837 10023 13116 13364 13878 14209 19674 20046 27756 28418 29511 30069 39348 40092 42627 56836 59022 60138 85254 90207 118044 120276 127881 170508 180414 255762 280901 360828 383643 511524 561802 767286 842703 1123604 1534572 1685406 2528109 3370812 3651713 5056218 7303426 7584327 10112436 10955139 14606852 15168654 21910278 30337308 32865417 43820556 65730834 98596251 131461668 197192502 394385004
• Sum of all divisors σ(n): 1106427840
• Sum of proper divisors (its aliquot sum) s(n): 712042836
• 394385004 is an abundant number, because the sum of its proper divisors (712042836) is greater than itself. Its abundance is 317657832

Bases of 394385004

• Binary: 10111100000011101011001101100₂
• Hexadecimal: 0x1781D66C
• Base-36: 6IT1F0

Squares and roots of 394385004

• 394385004 squared (394385004²) is 155539531380080016
• 394385004 cubed (394385004³) is 61342458705490982630480064
• The square root of 394385004 is 19859.1289839209
• The cube root of 394385004 is 733.3424036527

Scales and comparisons

• 394,385,004 seconds is equal to 12 years, 28 weeks, 15 hours, 23 minutes, 24 seconds.
• To count from 1 to 394,385,004 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 394385004 cubic inches would be around 61.1 feet tall.

Recreational maths with 394385004

• 394385004 backwards is 400583493
• 394385004 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 394385004's digits is 36
• More coming soon!