18308438669002748

Names of 18308438669002748

• Cardinal: 18308438669002748 can be written as Eighteen quadrillion, three hundred eight trillion, four hundred thirty-eight billion, six hundred sixty-nine million, two thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 1.8308438669002748 × 10¹⁶

Factors of 18308438669002748

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 789

Divisors of 18308438669002748

• Number of divisors d(n): 210
• Complete list of divisors:
  1 2 4 7 14 28 37 49 74 98 148 196 259 343 518 686 743 1036 1369 1372 1486 1813 2401 2738 2972 3626 4802 5201 5476 7252 9583 9604 10402 12691 19166 20804 25382 27491 36407 38332 50653 50764 54982 67081 72814 88837 101306 109964 134162 145628 177674 192437 202612 254849 268324 354571 355348 384874 469567 509698 709142 769748 939134 1017167 1019396 1347059 1418284 1783943 1874161 1878268 2034334 2481997 2694118 3286969 3567886 3748322 4068668 4963994 5388236 6573938 7120169 7135772 7496644 9429413 9927988 13119127 13147876 14240338 17373979 18858826 26238254 28480676 34747958 37635179 37717652 49841183 52476508 66005891 69343957 69495916 75270358 91833889 99682366 121617853 132011782 138687914 150540716 183667778 199364732 243235706 263446253 264023564 277375828 348888281 367335556 485407699 486471412 526892506 642837223 697776562 970815398 1053785012 1285674446 1392501623 1395553124 1844123771 1941630796 2442217967 2565726409 2571348892 2785003246 3397853893 3688247542 4499860561 4884435934 5131452818 5570006492 6795707786 7376495084 8999721122 9747511361 9768871868 10262905636 12908866397 13591415572 17960084863 17999442244 19495022722 23784977251 25817732794 35920169726 38990045444 47569954502 51522560051 51635465588 68232579527 71840339452 90362064779 95139909004 103045120102 125720594041 136465159054 166494840757 180724129558 206090240204 251441188082 272930318108 332989681514 360657920357 361448259116 477628056689 502882376164 665979363028 721315840714 880044158287 955256113378 1442631681428 1760088316574 1906334721887 1910512226756 2524605442499 3343396396823 3520176633148 3812669443774 5049210884998 6160309108009 6686792793646 7625338887548 10098421769996 12320618216018 13344343053209 13373585587292 17672238097493 24641236432036 26688686106418 35344476194986 53377372212836 70688952389972 93410401372463 123705666682451 186820802744926 247411333364902 373641605489852 494822666729804 653872809607241 1307745619214482 2615491238428964 4577109667250687 9154219334501374 18308438669002748
• Sum of all divisors σ(n): 38467472508493896
• Sum of proper divisors (its aliquot sum) s(n): 20159033839491148
• 18308438669002748 is an abundant number, because the sum of its proper divisors (20159033839491148) is greater than itself. Its abundance is 1850595170488400

Bases of 18308438669002748

• Binary: 1000001000010110110110110001111010000100000011111111100₂
• Hexadecimal: 0x410B6D8F4207FC
• Base-36: 509SSM1N9BW

Squares and roots of 18308438669002748

• 18308438669002748 squared (18308438669002748²) is 335198926496635114739924831551504
• 18308438669002748 cubed (18308438669002748³) is 6136968987679204159737704417426172412145279532992
• The square root of 18308438669002748 is 135308679.2079604479
• The cube root of 18308438669002748 is 263562.5919356679

Scales and comparisons

• 18,308,438,669,002,748 seconds is equal to 582,151,717 years, 49 weeks, 4 days, 16 hours, 19 minutes, 8 seconds.
• To count from 1 to 18,308,438,669,002,748 would take you about one billion, seven hundred forty-six million, four hundred fifty-five thousand, one hundred fifty-three 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 18308438669002748 cubic inches would be around 21963.5 feet tall.

Recreational maths with 18308438669002748

• 18308438669002748 backwards is 84720096683480381
• The number of decimal digits it has is: 17
• The sum of 18308438669002748's digits is 77
• More coming soon!