18372489639570040

Names of 18372489639570040

• Cardinal: 18372489639570040 can be written as Eighteen quadrillion, three hundred seventy-two trillion, four hundred eighty-nine billion, six hundred thirty-nine million, five hundred seventy thousand and forty.

Scientific notation

• Scientific notation: 1.837248963957004 × 10¹⁶

Factors of 18372489639570040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3268

Divisors of 18372489639570040

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 40 52 65 104 127 130 169 254 260 338 508 520 635 676 845 1016 1270 1352 1651 1690 2197 2540 3121 3302 3380 4394 5080 6242 6604 6760 8255 8788 10985 12484 13208 15605 16510 17576 21463 21970 24968 28561 31210 33020 40573 42926 43940 57122 62420 66040 81146 85852 87880 107315 114244 124840 142805 162292 171704 202865 214630 228488 279019 285610 324584 371293 396367 405730 429260 527449 558038 571220 742586 792734 811460 858520 1054898 1116076 1142440 1395095 1485172 1585468 1622920 1856465 1981835 2109796 2232152 2637245 2790190 2970344 3170936 3627247 3712930 3963670 4219592 5152771 5274490 5580380 6856837 7254494 7425860 7927340 9740641 10305542 10548980 11160760 13713674 14508988 14851720 15854680 18136235 19481282 20611084 21097960 25763855 27427348 29017976 34284185 36272470 38962564 41222168 47154211 48703205 51527710 54854696 66986023 68568370 72544940 77925128 89138881 94308422 97406410 103055420 126628333 133972046 137136740 145089880 178277762 188616844 194812820 206110840 235771055 253256666 267944092 274273480 334930115 356555524 377233688 389625640 445694405 471542110 506513332 535888184 633141665 669860230 713111048 870818299 891388810 943084220 1013026664 1158805453 1237061407 1266283330 1339720460 1646168329 1741636598 1782777620 1886168440 2317610906 2474122814 2532566660 2679440920 3292336658 3483273196 3565555240 4354091495 4635221812 4948245628 5065133320 5794027265 6185307035 6584673316 6966546392 8230841645 8708182990 9270443624 9896491256 11320637887 11588054530 12370614070 13169346632 16081798291 16461683290 17416365980 21400188277 22641275774 23176109060 24741228140 32163596582 32923366580 34832731960 42800376554 45282551548 46352218120 49482456280 56603189435 64327193164 65846733160 80408991455 85600753108 90565103096 107000941385 113206378870 128654386328 147168292531 160817982910 171201506216 209063377783 214001882770 226412757740 278202447601 294336585062 321635965820 418126755566 428003765540 452825515480 556404895202 588673170124 643271931640 735841462655 836253511132 856007531080 1045316888915 1112809790404 1177346340248 1391012238005 1471682925310 1672507022264 2090633777830 2225619580808 2717823911179 2782024476010 2943365850620 3616631818813 4181267555660 5435647822358 5564048952020 5886731701240 7233263637626 8362535111320 10871295644716 11128097904040 13589119555895 14466527275252 18083159094065 21742591289432 27178239111790 28933054550504 35331710845327 36166318188130 54356478223580 70663421690654 72332636376260 108712956447160 141326843381308 144665272752520 176658554226635 282653686762616 353317108453270 459312240989251 706634216906540 918624481978502 1413268433813080 1837248963957004 2296561204946255 3674497927914008 4593122409892510 9186244819785020 18372489639570040
• Sum of all divisors σ(n): 45150022270563840
• Sum of proper divisors (its aliquot sum) s(n): 26777532630993800
• 18372489639570040 is an abundant number, because the sum of its proper divisors (26777532630993800) is greater than itself. Its abundance is 8405042991423760

Bases of 18372489639570040

• Binary: 1000001010001011010111010010110100110110010101001111000₂
• Hexadecimal: 0x4145AE969B2A78
• Base-36: 50WI57ZRW54

Squares and roots of 18372489639570040

• 18372489639570040 squared (18372489639570040²) is 337548375556108458308956065601600
• 18372489639570040 cubed (18372489639570040³) is 6201604032758299589443562841746037617457936064000
• The square root of 18372489639570040 is 135545157.1970390981
• The cube root of 18372489639570040 is 263869.5868331685

Scales and comparisons

• 18,372,489,639,570,040 seconds is equal to 584,188,340 years, 36 weeks, 1 day, 13 hours, 40 seconds.
• To count from 1 to 18,372,489,639,570,040 would take you about one billion, seven hundred fifty-two million, five hundred sixty-five thousand and twenty-two 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 18372489639570040 cubic inches would be around 21989.1 feet tall.

Recreational maths with 18372489639570040

• 18372489639570040 backwards is 04007593698427381
• The number of decimal digits it has is: 17
• The sum of 18372489639570040's digits is 76
• More coming soon!