18421404545775

Names of 18421404545775

• Cardinal: 18421404545775 can be written as Eighteen trillion, four hundred twenty-one billion, four hundred four million, five hundred forty-five thousand, seven hundred seventy-five.

Scientific notation

• Scientific notation: 1.8421404545775 × 10¹³

Factors of 18421404545775

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 10445

Divisors of 18421404545775

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 7 11 15 21 23 25 33 35 53 55 69 75 77 105 115 121 159 161 165 175 231 253 265 275 345 363 371 385 483 525 529 575 583 605 759 795 805 825 847 1113 1155 1219 1265 1325 1587 1725 1749 1771 1815 1855 1925 2415 2541 2645 2783 2915 3025 3657 3703 3795 3975 4025 4081 4235 5313 5565 5775 5819 6095 6325 6413 7935 8349 8533 8745 8855 9075 9275 10343 11109 12075 12243 12705 13225 13409 13915 14575 17457 18285 18515 18975 19239 19481 20405 21175 25599 26565 27825 28037 29095 30475 31029 32065 39675 40227 40733 41745 42665 43725 44275 44891 51715 55545 58443 61215 63525 64009 67045 69575 72401 84111 87285 91425 92575 93863 96195 97405 102025 113773 122199 127995 132825 134673 140185 145475 147499 155145 160325 192027 196259 201135 203665 208725 213325 217203 224455 237889 258575 277725 281589 292215 306075 308407 320045 335225 341319 362005 420555 436425 442497 448063 469315 480975 487025 548179 568865 588777 610995 639975 673365 700925 713667 737495 775725 796411 925221 960135 981295 1005675 1018325 1032493 1086015 1122275 1189445 1251503 1344189 1407945 1461075 1542035 1600225 1644537 1665223 1706595 1810025 2102775 2158849 2212485 2240315 2346575 2389233 2616779 2740895 2844325 2943885 3054975 3097479 3366825 3392477 3568335 3687475 3754509 3837253 3982055 4626105 4800675 4906475 4995669 5162465 5430075 5471447 5947225 6029969 6257515 6476547 6720945 7039725 7710175 7850337 8222685 8326115 8532975 8760521 10177431 10794245 11062425 11201575 11511759 11946165 12608117 13083895 13704475 14719425 15487395 16414341 16962385 17841675 18089907 18317453 18772545 19186265 19910275 23130525 23747339 24978345 25812325 26281563 27357235 28784569 30149845 31287575 32382735 33604725 37824351 38300129 39251685 41113425 41630575 42209783 43802605 50887155 53971225 54952359 57558795 59730825 60185917 63040585 65419475 66329659 71242017 77436975 82071705 84811925 86353707 88256819 90449535 91587265 93862725 95931325 114900387 118736695 124891725 126629349 131407815 136786175 138689287 143922845 150749225 161913675 180557751 189121755 191500645 196258425 198988977 201491983 211048915 219013025 254435775 264770457 274761795 287793975 289986691 300929585 315202925 331648295 356210085 410358525 416067861 421301419 431768535 441284095 452247675 457936325 464307613 574501935 593683475 604475949 633146745 657039075 662045087 693446435 719614225 869960073 902788755 945608775 957503225 970825009 994944885 1007459915 1055244575 1263904257 1323852285 1373808975 1392922839 1449933455 1504647925 1525582157 1658241475 1781050425 1986135261 2029906837 2080339305 2106507095 2158842675 2206420475 2321538065 2872509675 2912475027 3022379745 3165733725 3189853601 3310225435 3467232175 4349800365 4513943775 4576746471 4634315609 4854125045 4974724425 5037299575 6089720511 6319521285 6619261425 6964614195 7249667275 7627910785 9569560803 9930676305 10149534185 10401696525 10532535475 10679075099 11607690325 13902946827 14562375135 15111898725 15949268005 16551127175 21749001825 22328975207 22883732355 23171578045 24270625225 30448602555 31597606425 32037225297 34823070975 35088389611 38139553925 47847804015 49653381525 50747670925 53395375495 66986925621 69514734135 72811875675 79746340025 105265168833 111644876035 114418661775 115857890225 152243012775 160186126485 175441948055 239239020075 245618727277 266976877475 334934628105 347573670675 526325844165 558224380175 736856181831 800930632425 877209740275 1228093636385 1674673140525 2631629220825 3684280909155 6140468181925 18421404545775
• Sum of all divisors σ(n): 40754044574208
• Sum of proper divisors (its aliquot sum) s(n): 22332640028433
• 18421404545775 is an abundant number, because the sum of its proper divisors (22332640028433) is greater than itself. Its abundance is 3911235482658

Bases of 18421404545775

• Binary: 100001100000100010001010001100011001011101111₂
• Hexadecimal: 0x10C1114632EF
• Base-36: 6J2OCN1F3

Squares and roots of 18421404545775

• 18421404545775 squared (18421404545775²) is 339348145439099834070350625
• 18421404545775 cubed (18421404545775³) is 6251269468992149516767605224523112359375
• The square root of 18421404545775 is 4292016.3729621303
• The cube root of 18421404545775 is 26410.3554730963

Scales and comparisons

• 18,421,404,545,775 seconds is equal to 585,743 years, 35 weeks, 3 days, 18 hours, 16 minutes, 15 seconds.
• To count from 1 to 18,421,404,545,775 would take you about one million, four hundred sixty-four thousand, three hundred fifty-nine 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 18421404545775 cubic inches would be around 2200.9 feet tall.

Recreational maths with 18421404545775

• 18421404545775 backwards is 57754540412481
• The number of decimal digits it has is: 14
• The sum of 18421404545775's digits is 57
• More coming soon!