18490368738855

Names of 18490368738855

• Cardinal: 18490368738855 can be written as Eighteen trillion, four hundred ninety billion, three hundred sixty-eight million, seven hundred thirty-eight thousand, eight hundred fifty-five.

Scientific notation

• Scientific notation: 1.8490368738855 × 10¹³

Factors of 18490368738855

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3774

Divisors of 18490368738855

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 13 15 19 31 39 57 65 93 95 151 155 195 247 285 331 403 453 465 589 741 755 993 1209 1235 1655 1767 1963 2015 2265 2869 2945 3221 3705 4303 4681 4965 5889 6045 6289 7657 8607 8835 9663 9815 10261 12909 14043 14345 16105 18867 21515 22971 23405 29445 30783 31445 37297 38285 41873 43035 48315 49981 51305 60853 61199 64545 70215 81757 88939 94335 99851 111891 114855 125619 133393 149943 153915 182559 183597 186485 194959 209365 245271 249905 266817 299553 304265 305995 400179 408785 444695 486371 499255 559455 584877 628095 649753 666965 749715 795587 912795 917985 949639 974795 1066151 1156207 1226355 1298063 1334085 1459113 1497765 1549411 1897169 1949259 2000895 2386761 2431855 2534467 2848917 2924385 3198453 3248765 3468621 3894189 3977935 4648233 4748195 5330755 5691507 5781035 6322823 6490315 7295565 7603401 7747055 9241049 9485845 9746295 11933805 12345307 12672335 13859963 14244585 15077501 15992265 17343105 18968469 19470945 20142343 20256869 23241165 24663197 27723147 28457535 29438809 31614115 33050681 37035921 38017005 41579889 45232503 46205245 60427029 60770607 61726535 69299815 73989591 75387505 88316427 94842345 99152043 100711715 101284345 120133637 123315985 138615735 147194045 160988801 165253405 185179605 196007513 207899445 226162515 263339297 286472519 302135145 303853035 360400911 369947955 382704517 429658853 441582135 482966403 495760215 588022539 600668185 627962939 790017891 804944005 859417557 980037565 1148113551 1288976559 1316696485 1432362595 1802004555 1883888817 1913522585 2092854413 2148294265 2414832015 2940112695 3058787219 3139814695 3724142747 3950089455 4297087785 4990652831 5740567755 6278563239 6444882795 8163518207 9176361657 9419444085 10464272065 11172428241 14971958493 15293936095 18620713735 24490554621 24953264155 31392816195 39764233847 40817591035 45881808285 55862141205 64878486803 74859792465 94822403789 119292701541 122452773105 194635460409 198821169235 284467211367 324392434015 474112018945 596463507705 973177302045 1232691249257 1422336056835 3698073747771 6163456246285 18490368738855
• Sum of all divisors σ(n): 34964430520320
• Sum of proper divisors (its aliquot sum) s(n): 16474061781465
• 18490368738855 is a deficient number, because the sum of its proper divisors (16474061781465) is less than itself. Its deficiency is 2016306957390

Bases of 18490368738855

• Binary: 100001101000100011111110111000100011000100111₂
• Hexadecimal: 0x10D11FDC4627
• Base-36: 6JYCW51D3

Squares and roots of 18490368738855

• 18490368738855 squared (18490368738855²) is 341893736098826243186711025
• 18490368738855 cubed (18490368738855³) is 6321741249972077989878043471624574376375
• The square root of 18490368738855 is 4300042.8763972807
• The cube root of 18490368738855 is 26443.2719042607

Scales and comparisons

• 18,490,368,738,855 seconds is equal to 587,936 years, 27 weeks, 4 days, 10 hours, 34 minutes, 15 seconds.
• To count from 1 to 18,490,368,738,855 would take you about one million, four hundred sixty-nine thousand, eight hundred forty-one 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 18490368738855 cubic inches would be around 2203.6 feet tall.

Recreational maths with 18490368738855

• 18490368738855 backwards is 55883786309481
• The number of decimal digits it has is: 14
• The sum of 18490368738855's digits is 75
• More coming soon!