394324420

Names of 394324420

• Cardinal: 394324420 can be written as Three hundred ninety-four million, three hundred twenty-four thousand, four hundred twenty.

Scientific notation

• Scientific notation: 3.9432442 × 10⁸

Factors of 394324420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 999

Divisors of 394324420

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 151 161 230 302 322 460 604 644 755 805 811 1057 1510 1610 1622 2114 3020 3220 3244 3473 4055 4228 5285 5677 6946 8110 10570 11354 13892 16220 17365 18653 21140 22708 24311 28385 34730 37306 48622 56770 69460 74612 93265 97244 113540 121555 122461 130571 186530 243110 244922 261142 373060 486220 489844 522284 612305 652855 857227 1224610 1305710 1714454 2449220 2611420 2816603 3428908 4286135 5633206 8572270 11266412 14083015 17144540 19716221 28166030 39432442 56332060 78864884 98581105 197162210 394324420
• Sum of all divisors σ(n): 995291136
• Sum of proper divisors (its aliquot sum) s(n): 600966716
• 394324420 is an abundant number, because the sum of its proper divisors (600966716) is greater than itself. Its abundance is 206642296

Bases of 394324420

• Binary: 10111100000001110100111000100₂
• Hexadecimal: 0x1780E9C4
• Base-36: 6IRQO4

Squares and roots of 394324420

• 394324420 squared (394324420²) is 155491748208336400
• 394324420 cubed (394324420³) is 61314193427038290094888000
• The square root of 394324420 is 19857.6035814999
• The cube root of 394324420 is 733.3048505925

Scales and comparisons

• 394,324,420 seconds is equal to 12 years, 27 weeks, 6 days, 22 hours, 33 minutes, 40 seconds.
• To count from 1 to 394,324,420 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 394324420 cubic inches would be around 61.1 feet tall.

Recreational maths with 394324420

• 394324420 backwards is 024423493
• The number of decimal digits it has is: 9
• The sum of 394324420's digits is 31
• More coming soon!