20800395

Names of 20800395

• Cardinal: 20800395 can be written as Twenty million, eight hundred thousand, three hundred ninety-five.

Scientific notation

• Scientific notation: 2.0800395 × 10⁷

Factors of 20800395

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 78

Divisors of 20800395

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 5 7 9 11 15 21 23 27 29 33 35 45 55 63 69 77 81 87 99 105 115 135 145 161 165 189 203 207 231 253 261 297 315 319 345 385 405 435 483 495 567 609 621 667 693 759 783 805 891 945 957 1015 1035 1155 1265 1305 1449 1485 1595 1771 1827 1863 2001 2079 2233 2277 2349 2415 2835 2871 3045 3105 3335 3465 3795 3915 4347 4455 4669 4785 5313 5481 6003 6237 6699 6831 7245 7337 8613 8855 9135 9315 10005 10395 11165 11385 11745 13041 14007 14355 15939 16443 18009 20097 20493 21735 22011 23345 25839 26565 27405 30015 31185 33495 34155 36685 42021 43065 47817 51359 54027 60291 65205 66033 70035 79695 82215 90045 100485 102465 110055 126063 129195 143451 154077 180873 198099 210105 239085 256795 270135 301455 330165 378189 462231 594297 630315 717255 770385 904365 990495 1386693 1890945 2311155 2971485 4160079 6933465 20800395
• Sum of all divisors σ(n): 50181120
• Sum of proper divisors (its aliquot sum) s(n): 29380725
• 20800395 is an abundant number, because the sum of its proper divisors (29380725) is greater than itself. Its abundance is 8580330

Bases of 20800395

• Binary: 1001111010110001110001011₂
• Hexadecimal: 0x13D638B
• Base-36: CDTOR

Squares and roots of 20800395

• 20800395 squared (20800395²) is 432656432156025
• 20800395 cubed (20800395³) is 8999424688136021629875
• The square root of 20800395 is 4560.7450049307
• The cube root of 20800395 is 275.0155142763

Scales and comparisons

• 20,800,395 seconds is equal to 34 weeks, 2 days, 17 hours, 53 minutes, 15 seconds.
• To count from 1 to 20,800,395 would take you about fifty-one weeks!

  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 20800395 cubic inches would be around 22.9 feet tall.

Recreational maths with 20800395

• 20800395 backwards is 59300802
• 20800395 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20800395's digits is 27
• More coming soon!