16818787397412945

Names of 16818787397412945

• Cardinal: 16818787397412945 can be written as Sixteen quadrillion, eight hundred eighteen trillion, seven hundred eighty-seven billion, three hundred ninety-seven million, four hundred twelve thousand, nine hundred forty-five.

Scientific notation

• Scientific notation: 1.6818787397412945 × 10¹⁶

Factors of 16818787397412945

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 205984712

Divisors of 16818787397412945

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 81 83 105 135 189 249 315 347 405 415 567 581 747 945 1041 1245 1735 1743 2241 2429 2835 2905 3123 3735 5205 5229 6723 7287 8715 9369 11205 12145 15615 15687 21861 26145 28107 28801 33615 36435 46845 47061 65583 78435 86403 109305 140535 144005 196749 201607 235305 259209 327915 432015 604821 777627 983745 1008035 1296045 1814463 2332881 3024105 3888135 5443389 9072315 11664405 16330167 27216945 81650835 205984267 617952801 1029921335 1441889869 1853858403 3089764005 4325669607 5561575209 7209449345 9269292015 12977008821 16684725627 17096694161 21628348035 27807876045 38931026463 51290082483 64885044105 71476540649 83423628135 85483470805 116793079389 119676859127 153870247449 194655132315 214429621947 256450412415 357382703245 359030577381 461610742347 500335784543 583965396945 598384295635 643288865841 769351237245 1072148109735 1077091732143 1384832227041 1501007353629 1795152886905 1929866597523 2308053711735 2501678922715 3216444329205 3231275196429 4503022060887 5385458660715 5789599792569 5932552873867 6924161135205 7505036768145 9649332987615 9693825589287 13509066182661 16156375982145 17797658621601 22515110304435 28947998962845 29662764369335 40527198547983 41527870117069 48469127946435 53392975864803 67545330913305 88988293108005 124583610351207 160178927594409 202635992739915 207639350585345 266964879324015 373750831053621 480536782783227 622918051756035 800894637972045 1121252493160863 1868754155268105 2402683913916135 3363757479482589 5606262465804315 16818787397412945
• Sum of all divisors σ(n): 34971896965598208
• Sum of proper divisors (its aliquot sum) s(n): 18153109568185263
• 16818787397412945 is an abundant number, because the sum of its proper divisors (18153109568185263) is greater than itself. Its abundance is 1334322170772318

Bases of 16818787397412945

• Binary: 111011110000001001100100011000011000000010100001010001₂
• Hexadecimal: 0x3BC09918602851
• Base-36: 4LLRG9K7429

Squares and roots of 16818787397412945

• 16818787397412945 squared (16818787397412945²) is 282871609519376503932478853573025
• 16818787397412945 cubed (16818787397412945³) is 4757557461270405188430475211859398769354637808625
• The square root of 16818787397412945 is 129687267.6765647067
• The cube root of 16818787397412945 is 256211.2686601155

Scales and comparisons

• 16,818,787,397,412,945 seconds is equal to 534,785,415 years, 16 weeks, 1 day, 18 hours, 15 minutes, 45 seconds.
• To count from 1 to 16,818,787,397,412,945 would take you about one billion, six hundred four million, three hundred fifty-six thousand, two hundred forty-five 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 16818787397412945 cubic inches would be around 21350.9 feet tall.

Recreational maths with 16818787397412945

• 16818787397412945 backwards is 54921479378781861
• The number of decimal digits it has is: 17
• The sum of 16818787397412945's digits is 90
• More coming soon!