427728

Names of 427728

• Cardinal: 427728 can be written as Four hundred twenty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.27728 × 10⁵

Factors of 427728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 98

Divisors of 427728

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 56 57 67 76 84 112 114 133 134 152 168 201 228 266 268 304 336 399 402 456 469 532 536 798 804 912 938 1064 1072 1273 1407 1596 1608 1876 2128 2546 2814 3192 3216 3752 3819 5092 5628 6384 7504 7638 8911 10184 11256 15276 17822 20368 22512 26733 30552 35644 53466 61104 71288 106932 142576 213864 427728
• Sum of all divisors σ(n): 1349120
• Sum of proper divisors (its aliquot sum) s(n): 921392
• 427728 is an abundant number, because the sum of its proper divisors (921392) is greater than itself. Its abundance is 493664

Bases of 427728

• Binary: 1101000011011010000₂
• Hexadecimal: 0x686D0
• Base-36: 961C

Squares and roots of 427728

• 427728 squared (427728²) is 182951241984
• 427728 cubed (427728³) is 78253368831332352
• The square root of 427728 is 654.0091742475
• The cube root of 427728 is 75.3452526801

Scales and comparisons

• 427,728 seconds is equal to 4 days, 22 hours, 48 minutes, 48 seconds.
• To count from 1 to 427,728 would take you about four days.

  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 427728 cubic inches would be around 6.3 feet tall.

Recreational maths with 427728

• 427728 backwards is 827724
• The number of decimal digits it has is: 6
• The sum of 427728's digits is 30
• More coming soon!