1815942639420

Names of 1815942639420

• Cardinal: 1815942639420 can be written as One trillion, eight hundred fifteen billion, nine hundred forty-two million, six hundred thirty-nine thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.81594263942 × 10¹²

Factors of 1815942639420

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1286

Divisors of 1815942639420

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 17 18 20 21 26 28 30 31 34 35 36 39 42 45 51 52 60 62 63 65 68 70 78 84 85 90 91 93 102 105 117 119 124 126 130 140 153 155 156 170 180 182 186 195 204 210 211 217 221 234 238 252 255 260 273 279 306 310 315 340 357 364 372 390 403 420 422 434 442 455 465 468 476 510 527 546 558 585 595 612 620 630 633 651 663 714 765 780 806 819 844 868 884 910 930 997 1020 1054 1055 1071 1085 1092 1105 1116 1170 1190 1209 1260 1266 1302 1326 1365 1395 1428 1477 1530 1547 1581 1612 1638 1785 1820 1860 1899 1953 1989 1994 2015 2108 2110 2142 2170 2210 2340 2380 2418 2532 2604 2635 2652 2730 2743 2790 2821 2954 2991 3060 3094 3162 3165 3255 3276 3315 3570 3587 3627 3689 3798 3906 3978 3988 4030 4095 4220 4284 4340 4420 4431 4641 4743 4836 4985 5270 5355 5460 5486 5580 5642 5908 5982 6045 6188 6324 6330 6510 6541 6630 6851 6979 7140 7174 7254 7378 7385 7596 7735 7812 7905 7956 8060 8190 8229 8463 8862 8973 9282 9486 9495 9765 9945 9970 10540 10710 10761 10972 11067 11284 11964 12090 12660 12961 13020 13082 13260 13293 13702 13715 13923 13958 14105 14348 14508 14756 14770 14955 15470 15810 16380 16458 16926 16949 17724 17935 17946 18135 18445 18564 18972 18990 19201 19530 19623 19890 19940 20553 20937 21420 21522 22134 22155 23205 23715 24180 24687 25109 25389 25922 26164 26586 27404 27430 27846 27916 28210 29540 29910 30907 30940 31620 32283 32705 32916 33201 33852 33898 34255 34895 35870 35892 36270 36890 37980 38402 38883 39060 39246 39780 41106 41145 41874 42315 43044 44268 44310 44865 45787 46410 46631 47430 47957 49374 50218 50778 50847 51844 53172 53805 54860 55335 55692 56420 57603 58869 59820 61659 61814 62811 64566 64805 65410 66402 66465 67796 68510 69615 69790 71740 72540 73780 75327 76804 77766 78492 82212 82290 83748 84630 84745 85033 88620 89730 90727 91574 92721 92820 93262 94860 95914 96005 98115 98748 100436 101556 101694 102765 104685 107610 110670 111197 115206 116649 117738 118643 123318 123435 123628 125545 125622 126945 129132 129610 130820 132804 132930 137020 137361 139230 139580 139893 143871 150654 152541 154535 155532 161415 164580 166005 169260 169490 170066 172809 179460 181454 183148 185442 186524 191828 192010 194415 196230 203388 205530 209370 210367 215220 216349 220337 221340 222394 225981 228935 230412 233155 233298 235476 237286 239785 246636 246870 251090 251244 253890 254235 255099 259220 265860 272181 274722 278163 278460 279786 287742 288015 294345 301308 305082 308295 309070 314055 322830 326417 332010 333591 338980 340132 345618 355929 362908 370884 376635 384020 388830 392460 401791 411060 412083 418740 419679 420734 425165 431613 432698 440674 444788 451962 453635 457870 463605 466310 466596 474572 479570 493740 502180 507780 508470 510198 525419 544362 549444 555985 556326 559572 575484 576030 583245 588690 593215 595231 610164 616590 618140 628110 631101 645660 649047 652834 661011 664020 667182 686805 691236 699465 711858 719355 753270 762705 765297 777660 778379 803582 816543 824166 839358 841468 850330 863226 864045 865396 881348 903924 907270 915740 927210 932620 959140 979251 1000773 1016940 1020396 1050838 1051835 1067787 1081745 1088724 1101685 1111970 1112652 1129905 1152060 1166490 1177380 1186430 1190462 1205373 1233180 1256220 1262202 1275495 1298094 1305668 1322022 1334364 1360905 1373610 1390815 1398930 1423716 1438710 1445561 1472569 1506540 1525410 1530594 1542359 1556758 1576257 1607164 1632085 1633086 1648332 1667955 1678716 1700660 1726452 1728090 1779645 1785693 1814540 1854420 1893303 1947141 1958502 1983033 2001546 2008955 2060415 2098395 2101676 2103670 2135574 2158065 2163490 2203370 2223940 2259810 2332980 2335137 2372860 2380924 2410746 2524404 2550990 2596188 2627095 2644044 2721810 2734771 2747220 2781630 2797860 2812537 2877420 2891122 2937753 2945138 2976155 3050820 3061188 3084718 3113516 3152514 3155505 3245235 3264170 3266172 3305055 3335910 3456180 3559290 3571386 3576239 3616119 3677933 3786606 3826485 3891895 3894282 3917004 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6984394767 7121343684 7206121585 7630011090 7760438630 8216935020 8368399260 8606363220 8647345902 8901679605 9312526356 9763132470 9977706810 10088570219 10682015526 11640657945 11715758964 11868906140 12971018853 13968789534 14412243170 14644698705 15260022180 15520877260 17294691804 17803359210 19526264940 19955413620 20177140438 21364031052 21618364755 23281315890 25942037706 26705038815 27937579068 28824486340 29289397410 30265710657 34921973835 35606718420 40354280876 43236729510 46562631780 50442851095 51884075412 53410077630 58578794820 60531421314 64855094265 69843947670 86473459020 90797131971 100885702190 106820155260 121062842628 129710188530 139687895340 151328553285 181594263942 201771404380 259420377060 302657106570 363188527884 453985659855 605314213140 907971319710 1815942639420
• Sum of all divisors σ(n): 7452458237952
• Sum of proper divisors (its aliquot sum) s(n): 5636515598532
• 1815942639420 is an abundant number, because the sum of its proper divisors (5636515598532) is greater than itself. Its abundance is 3820572959112

Bases of 1815942639420

• Binary: 11010011011001110100111011010111100111100₂
• Hexadecimal: 0x1A6CE9DAF3C
• Base-36: N68DD070

Squares and roots of 1815942639420

• 1815942639420 squared (1815942639420²) is 3297647669663676137936400
• 1815942639420 cubed (1815942639420³) is 5988339013126268309624298208092888000
• The square root of 1815942639420 is 1347569.1594200277
• The cube root of 1815942639420 is 12200.2119452117

Scales and comparisons

• 1,815,942,639,420 seconds is equal to 57,741 years, 18 weeks, 4 days, 14 hours, 57 minutes.
• To count from 1 to 1,815,942,639,420 would take you about one hundred forty-four thousand, three 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 1815942639420 cubic inches would be around 1016.7 feet tall.

Recreational maths with 1815942639420

• 1815942639420 backwards is 0249362495181
• The number of decimal digits it has is: 13
• The sum of 1815942639420's digits is 54
• More coming soon!