18012638217618

Names of 18012638217618

• Cardinal: 18012638217618 can be written as Eighteen trillion, twelve billion, six hundred thirty-eight million, two hundred seventeen thousand, six hundred eighteen.

Scientific notation

• Scientific notation: 1.8012638217618 × 10¹³

Factors of 18012638217618

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 658

Divisors of 18012638217618

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 6 9 11 18 22 33 66 99 121 198 211 242 363 422 431 633 726 862 1089 1266 1293 1899 2178 2321 2586 3798 3879 4642 4741 6963 7758 9482 13926 14223 20889 25531 28446 41778 42669 44521 51062 52151 76593 85338 89042 90941 104302 133563 153186 156453 181882 185761 229779 267126 272823 312906 371522 400689 459558 469359 489731 545646 557283 801378 818469 938718 979462 1000351 1114566 1469193 1636938 1671849 2000702 2043371 2938386 3001053 3343698 4086742 4407579 5387041 6002106 6130113 8815158 9003159 10774082 11003861 12260226 16161123 18006318 18390339 19188551 22007722 22477081 32322246 33011583 36780678 38377102 39195571 44954162 48483369 57565653 66023166 67431243 78391142 96966738 99034749 115131306 117586713 134862486 172696959 198069498 202293729 211074061 235173426 345393918 352760139 404587458 422148122 431151281 633222183 705520278 862302562 1266444366 1293453843 1899666549 2321814671 2586907686 3799333098 3880361529 4643629342 4742664091 6965444013 7760723058 8270265481 9485328182 13930888026 14227992273 16540530962 20896332039 24810796443 28455984546 41792664078 42683976819 49621592886 74432389329 85367953638 90972920291 148864778658 181945840582 272918760873 545837521746 818756282619 1000702123201 1637512565238 2001404246402 3002106369603 6004212739206 9006319108809 18012638217618
• Sum of all divisors σ(n): 43202375009703
• Sum of proper divisors (its aliquot sum) s(n): 25189736792085
• 18012638217618 is an abundant number, because the sum of its proper divisors (25189736792085) is greater than itself. Its abundance is 7177098574467

Bases of 18012638217618

• Binary: 100000110000111100100111001110000010110010010₂
• Hexadecimal: 0x1061E4E70592
• Base-36: 6DUW3Q00I

Squares and roots of 18012638217618

• 18012638217618 squared (18012638217618²) is 324455135558792559925593924
• 18012638217618 cubed (18012638217618³) is 5844292974668735789066349593899410553032
• The square root of 18012638217618 is 4244129.8540004641
• The cube root of 18012638217618 is 26213.5461182541

Scales and comparisons

• 18,012,638,217,618 seconds is equal to 572,746 years, 9 weeks, 2 days, 18 seconds.
• To count from 1 to 18,012,638,217,618 would take you about one million, four hundred thirty-one thousand, eight hundred sixty-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 18012638217618 cubic inches would be around 2184.5 feet tall.

Recreational maths with 18012638217618

• 18012638217618 backwards is 81671283621081
• The number of decimal digits it has is: 14
• The sum of 18012638217618's digits is 54
• More coming soon!