18221201215640

Names of 18221201215640

• Cardinal: 18221201215640 can be written as Eighteen trillion, two hundred twenty-one billion, two hundred one million, two hundred fifteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.822120121564 × 10¹³

Factors of 18221201215640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 679

Divisors of 18221201215640

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 8 10 20 37 40 43 71 74 86 113 127 142 148 172 185 215 226 254 281 284 296 344 355 370 430 452 508 562 565 568 635 710 740 860 904 1016 1124 1130 1270 1405 1420 1480 1591 1720 2248 2260 2540 2627 2810 2840 3053 3182 4181 4520 4699 4859 5080 5254 5461 5620 6106 6364 7955 8023 8362 9017 9398 9718 10397 10508 10922 11240 12083 12212 12728 13135 14351 15265 15910 16046 16724 18034 18796 19436 19951 20794 20905 21016 21844 23495 24166 24295 24424 26270 27305 28702 30530 31753 31820 32092 33448 35687 36068 37592 38872 39902 40115 41588 41810 43688 45085 46990 48332 48590 51985 52540 54610 57404 60415 61060 63506 63640 64184 71374 71755 72136 79804 80230 83176 83620 90170 93980 96664 97180 99755 103970 105080 109220 112961 114808 120830 122120 127012 142748 143510 158765 159608 160460 167240 178435 179783 180340 187960 194360 199510 202057 207940 218440 225922 241660 254024 285496 287020 296851 317530 320920 333629 344989 356870 359566 360680 387731 399020 404114 415880 447071 451844 483320 530987 564805 574040 593702 617093 635060 667258 689978 713740 719132 738187 775462 798040 808228 857893 894142 898915 903688 1010285 1018921 1061974 1129610 1174861 1187404 1234186 1270120 1320419 1334516 1365379 1379956 1427480 1438264 1476374 1484255 1534541 1550924 1616456 1668145 1715786 1724945 1788284 1797830 1938655 2020570 2037842 2123948 2235355 2254463 2259220 2349722 2374808 2468372 2533777 2640838 2654935 2669032 2730758 2759912 2952748 2968510 3069082 3085465 3101848 3336290 3431572 3449890 3576568 3595660 3690935 3877310 4032631 4041140 4075684 4247896 4289465 4470710 4508926 4518440 4699444 4936744 5067554 5094605 5281676 5309870 5461516 5874305 5905496 5937020 6138164 6170930 6602095 6672580 6826895 6863144 6899780 7191320 7381870 7672705 7754620 8065262 8082280 8151368 8578930 8941420 9017852 9398888 10135108 10189210 10563352 10619740 10923032 11272315 11748610 11874040 12276328 12341860 12668885 12764593 13204190 13345160 13653790 13799560 14346047 14763740 15345410 15509240 16130524 17157860 17882840 18035704 20163155 20270216 20378420 21239480 22544630 22832441 23497220 24683720 25337770 25529186 26408380 27307580 28692094 29527480 30690820 31742041 32261048 34315720 37700077 40326310 40756840 43813603 45089260 45664882 46994440 50519023 50675540 51058372 52816760 54615160 56778017 57384188 61381640 63484082 63822965 71730235 75400154 80652620 83415131 87627206 90178520 91329764 93749749 96941909 101038046 101351080 102116744 108952411 113556034 114162205 114768376 126968164 127645930 143460470 149207347 150800308 158710205 161305240 166830262 173403133 175254412 182659528 187499498 188500385 193883818 202076092 217904822 219068015 227112068 228324410 252595115 253936328 255291860 283890085 286316801 286920940 298414694 301600616 317420410 333660524 346806266 350508824 374998996 377000770 387767636 404152184 417075655 435809644 438136030 454224136 456648820 468748745 484709545 505190230 510583720 544762055 567780170 572633602 573841880 596829388 634840820 667321048 693612532 746036735 749997992 754001540 775535272 834151310 867015665 871619288 876272060 913297640 937497490 969419090 1010380460 1089524110 1135560340 1145267204 1193658776 1269681640 1387225064 1431584005 1492073470 1508003080 1621103311 1668302620 1734031330 1752544120 1874994980 1938838180 2020760920 2179048220 2271120680 2290534408 2863168010 2984146940 3242206622 3336605240 3468062660 3586850633 3749989960 3877676360 4031239207 4358096440 5726336020 5968293880 6415915921 6484413244 6936125320 7173701266 8062478414 8105516555 10593721637 11452672040 12311622443 12831831842 12968826488 14347402532 16124956828 16211033110 17934253165 20156196035 21187443274 24623244886 25663663684 28694805064 32079579605 32249913656 32422066220 35868506330 40312392070 42374886548 49246489772 51327327368 52968608185 61558112215 64159159210 64844132440 71737012660 80624784140 84749773096 98492979544 105937216370 123116224430 128318318420 143474025320 161249568280 211874432740 246232448860 256636636840 423748865480 455530030391 492464897720 911060060782 1822120121564 2277650151955 3644240243128 4555300303910 9110600607820 18221201215640
• Sum of all divisors σ(n): 44583607664640
• Sum of proper divisors (its aliquot sum) s(n): 26362406449000
• 18221201215640 is an abundant number, because the sum of its proper divisors (26362406449000) is greater than itself. Its abundance is 8141205233360

Bases of 18221201215640

• Binary: 100001001001001110100001110011101000010011000₂
• Hexadecimal: 0x10927439D098
• Base-36: 6GIPCQV88

Squares and roots of 18221201215640

• 18221201215640 squared (18221201215640²) is 332012173740840613780609600
• 18221201215640 cubed (18221201215640³) is 6049660623773883878134727379780254144000
• The square root of 18221201215640 is 4268629.8991175143
• The cube root of 18221201215640 is 26314.3310867637

Scales and comparisons

• 18,221,201,215,640 seconds is equal to 579,377 years, 43 weeks, 3 days, 14 hours, 7 minutes, 20 seconds.
• To count from 1 to 18,221,201,215,640 would take you about one million, four hundred forty-eight thousand, four hundred forty-four 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 18221201215640 cubic inches would be around 2192.9 feet tall.

Recreational maths with 18221201215640

• 18221201215640 backwards is 04651210212281
• The number of decimal digits it has is: 14
• The sum of 18221201215640's digits is 35
• More coming soon!