18028680504849

Names of 18028680504849

• Cardinal: 18028680504849 can be written as Eighteen trillion, twenty-eight billion, six hundred eighty million, five hundred four thousand, eight hundred forty-nine.

Scientific notation

• Scientific notation: 1.8028680504849 × 10¹³

Factors of 18028680504849

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 186

Divisors of 18028680504849

• Number of divisors d(n): 224
• Complete list of divisors:
  1 3 7 9 21 27 49 63 79 81 97 147 189 237 243 291 343 441 553 567 679 711 729 873 1029 1323 1659 1701 2037 2133 2619 3087 3871 3969 4753 4977 5103 6111 6399 7663 7857 9261 9409 11613 11907 14259 14931 18333 19197 22989 23571 27097 27783 28227 33271 34839 35721 42777 44793 53641 54999 57591 65863 68967 70713 81291 83349 84681 99813 104517 128331 134379 160923 164997 197589 206901 243873 250047 254043 299439 313551 375487 384993 403137 461041 482769 494991 592767 620703 731619 743311 762129 898317 912673 940653 1126461 1154979 1383123 1448307 1778301 1862109 2194857 2229933 2286387 2628409 2694951 2738019 2821959 3227287 3379383 3464937 4149369 4344921 5203177 5334903 5586327 6388711 6584571 6689799 6859161 7885227 8084853 8214057 9681861 10138149 12448107 13034763 15609531 16004709 19166133 19753713 20069397 23655681 24254559 24642171 29045583 30414447 36422239 37344321 39104289 44720977 46828593 48014127 57498399 60208191 70967043 72101167 73926513 87136749 91243341 109266717 112032963 134162931 140485779 172495197 180624573 212901129 216303501 221779539 254955673 261410247 273730023 313046839 327800151 336098889 402488793 421457337 504708169 517485591 541873719 638703387 648910503 665338617 764867019 784230741 939140517 983400453 1207466379 1264372011 1514124507 1552456773 1916110161 1946731509 2294601057 2352692223 2817421551 2950201359 3532957183 3622399137 3793116033 4542373521 4657370319 5840194527 6883803171 8452264653 8850604077 10598871549 10867197411 13627120563 17520583581 20651409513 24730700281 25356793959 26551812231 31796614647 32601592233 40881361689 52561750743 61954228539 74192100843 76070381877 95389843941 122644085067 185862685617 222576302529 228211145631 286169531823 367932255201 667728907587 858508595469 2003186722761 2575525786407 6009560168283 18028680504849
• Sum of all divisors σ(n): 32254167680000
• Sum of proper divisors (its aliquot sum) s(n): 14225487175151
• 18028680504849 is a deficient number, because the sum of its proper divisors (14225487175151) is less than itself. Its deficiency is 3803193329698

Bases of 18028680504849

• Binary: 100000110010110100001000110001110011000010001₂
• Hexadecimal: 0x1065A118E611
• Base-36: 6E29EVW29

Squares and roots of 18028680504849

• 18028680504849 squared (18028680504849²) is 325033320745922393512512801
• 18028680504849 cubed (18028680504849³) is 5859921893158343082729343727531255072049
• The square root of 18028680504849 is 4246019.3716996865
• The cube root of 18028680504849 is 26221.3258495573

Scales and comparisons

• 18,028,680,504,849 seconds is equal to 573,256 years, 14 weeks, 1 day, 14 hours, 54 minutes, 9 seconds.
• To count from 1 to 18,028,680,504,849 would take you about one million, four hundred thirty-three thousand, one hundred forty 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 18028680504849 cubic inches would be around 2185.1 feet tall.

Recreational maths with 18028680504849

• 18028680504849 backwards is 94840508682081
• 18028680504849 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18028680504849's digits is 63
• More coming soon!