18211500164520

Names of 18211500164520

• Cardinal: 18211500164520 can be written as Eighteen trillion, two hundred eleven billion, five hundred million, one hundred sixty-four thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.821150016452 × 10¹³

Factors of 18211500164520

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 25523

Divisors of 18211500164520

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 17 18 20 24 26 30 34 36 39 40 43 45 51 52 60 65 68 72 78 85 86 90 102 104 117 120 129 130 136 153 156 170 172 180 195 204 211 215 221 234 255 258 260 306 312 340 344 360 387 390 408 422 430 442 468 510 516 520 559 585 612 633 645 663 680 731 765 774 780 844 860 884 936 1020 1032 1055 1105 1118 1170 1224 1266 1290 1326 1462 1530 1548 1560 1677 1688 1720 1768 1899 1935 1989 2040 2110 2193 2210 2236 2340 2532 2580 2652 2743 2795 2924 3060 3096 3165 3315 3354 3587 3655 3798 3870 3978 4220 4386 4420 4472 4680 5031 5064 5160 5304 5486 5590 5848 6120 6330 6579 6630 6708 7174 7310 7596 7740 7956 8229 8385 8440 8772 8840 9073 9495 9503 9945 10062 10761 10965 10972 11180 12660 13158 13260 13416 13715 14348 14620 15192 15480 15912 16458 16770 17544 17935 18146 18990 19006 19890 20124 21522 21930 21944 22360 24687 25155 25229 25320 26316 26520 27219 27430 28509 28696 29240 32283 32895 32916 33540 35870 36292 37980 38012 39780 40248 41145 43044 43860 45365 46631 47515 49374 50310 50458 52632 53805 54438 54860 57018 64566 65790 65832 67080 71740 72584 75687 75960 76024 79560 81657 82290 85527 86088 87720 90730 93262 95030 98748 100620 100916 107610 108876 109720 114036 117949 123435 126145 129132 131580 136095 139893 142545 143480 151374 154241 161415 163314 164580 171054 181460 186524 190060 197496 201240 201832 215220 217752 227061 228072 233155 235898 246870 252290 258264 263160 272190 279786 285090 302748 308482 322830 326628 327977 329160 342108 353847 362920 373048 378435 380120 408285 419679 427635 428893 430440 454122 462723 466310 471796 493740 504580 544380 559572 570180 589745 605496 616964 645660 653256 655954 684216 699465 707694 756870 771205 816570 839358 855270 857786 908244 925446 932620 943592 983931 987480 1009160 1061541 1084847 1088760 1119144 1135305 1140360 1179490 1233928 1286679 1291320 1311908 1388169 1398930 1415388 1513740 1542410 1633140 1639885 1678716 1710540 1715572 1769235 1816488 1850892 1865240 1967862 2005133 2098395 2123082 2144465 2169694 2270610 2313615 2358980 2573358 2623816 2776338 2797860 2830776 2951793 3027480 3084820 3254541 3266280 3279770 3357432 3421080 3431144 3538470 3701784 3860037 3935724 4010266 4196790 4246164 4288930 4339388 4541220 4627230 4717960 4919655 5146716 5307705 5323319 5424235 5552676 5575609 5595720 5903586 6015399 6169640 6433395 6509082 6559540 6940845 7076940 7720074 7871448 8020532 8393580 8492328 8577860 8678776 9082440 9254460 9763623 9839310 10025665 10293432 10615410 10646638 10848470 11105352 11151218 11807172 12030798 12866790 13018164 13119080 13881690 14103011 14153880 14758965 15440148 15969957 16041064 16272705 16726827 16787160 17155720 18046197 18442399 18508920 19300185 19527246 19678620 20051330 21230820 21293276 21696940 22302436 23614344 24061596 25733580 26036328 26616595 27763380 27878045 28206022 29517930 30076995 30880296 31939914 32545410 33453654 36092394 36884798 38600370 39054492 39357240 40102660 42309033 42461640 42586552 43393880 44604872 47909871 48123192 48818115 50180481 51467160 53233190 55327197 55526760 55756090 56412044 59035860 60153990 63879828 65090820 66907308 69203147 70515055 72184788 73769596 77200740 78108984 79849785 80205320 83634135 84618066 90230985 90496423 92211995 95819742 97636230 100360962 106466380 110654394 111512180 112824088 118071720 120307980 126927099 127759656 130181640 133814616 138406294 141030110 144369576 147539192 154401480 159699570 165981591 167268270 169236132 180461970 180992846 184423990 191639484 195272460 200721924 207609441 211545165 212932760 221308788 223024360 228902717 239549355 239751187 240615960 250902405 253854198 271489269 276635985 276812588 282060220 319399140 331963182 334536540 338472264 346015735 360923940 361985692 368847980 383278968 390544920 401443848 415218882 423090330 442617576 452482115 457805434 479098710 479502374 501804810 507708396 542978538 553271970 553625176 564120440 622828323 634635495 638798280 663926364 669073080 686708151 692031470 719253561 721847880 723971384 737695960 814467807 829907955 830437764 846180660 904964230 915610868 958197420 959004748 1003609620 1015416792 1038047205 1085957076 1106543940 1144513585 1176453499 1198755935 1245656646 1269270990 1327852728 1357446345 1373416302 1384062940 1438507122 1628935614 1659815910 1660875528 1692361320 1809928460 1831221736 1916394840 1918009496 2007219240 2060124453 2076094410 2157760683 2171914152 2213087880 2289027170 2352906998 2397511870 2491313292 2538541980 2714892690 2746832604 2768125880 2877014244 2975735321 3114141615 3257871228 3319631820 3433540755 3529360497 3596267805 3619856920 3891346189 4072339035 4120248906 4152188820 4315521366 4578054340 4705813996 4795023740 4982626584 5077083960 5429785380 5493665208 5754028488 5882267495 5951470642 6228283230 6515742456 6639263640 6867081510 7058720994 7192535610 7782692378 8144678070 8240497812 8304377640 8631042732 8927205963 9156108680 9411627992 9590047480 10300622265 10588081491 10788803415 10859570760 11674038567 11764534990 11902941284 12456566460 13734163020 14117441988 14385071220 14878676605 15565384756 16289356140 16480995624 17262085464 17646802485 17854411926 19456730945 20601244530 21176162982 21577606830 23348077134 23529069980 23805882568 24913132920 26781617889 27468326040 28234883976 28770142440 29757353210 31130769512 32578712280 35022115701 35293604970 35708823852 38913461890 41202489060 42352325964 43155213660 44636029815 46696154268 47058139960 50587500457 52940407455 53563235778 58370192835 59514706420 70044231402 70587209940 71417647704 77826923780 82404978120 84704651928 86310427320 89272059630 93392308536 101175000914 105880814910 107126471556 116740385670 119029412840 133908089445 140088462804 141174419880 151762501371 155653847560 175110578505 178544119260 202350001828 211761629820 214252943112 233480771340 252937502285 267816178890 280176925608 303525002742 350221157010 357088238520 404700003656 423523259640 455287504113 466961542680 505875004570 535632357780 607050005484 700442314020 758812506855 910575008226 1011750009140 1071264715560 1214100010968 1400884628040 1517625013710 1821150016452 2023500018280 2276437520565 3035250027420 3642300032904 4552875041130 6070500054840 9105750082260 18211500164520
• Sum of all divisors σ(n): 69389249529600
• Sum of proper divisors (its aliquot sum) s(n): 51177749365080
• 18211500164520 is an abundant number, because the sum of its proper divisors (51177749365080) is greater than itself. Its abundance is 32966249200560

Bases of 18211500164520

• Binary: 100001001000000110001111111111000010110101000₂
• Hexadecimal: 0x109031FF85A8
• Base-36: 6GE8WZOA0

Squares and roots of 18211500164520

• 18211500164520 squared (18211500164520²) is 331658738242311987066830400
• 18211500164520 cubed (18211500164520³) is 6040003166064360368092749941834937408000
• The square root of 18211500164520 is 4267493.4287611971
• The cube root of 18211500164520 is 26309.6603008857

Scales and comparisons

• 18,211,500,164,520 seconds is equal to 579,069 years, 19 weeks, 2 days, 21 hours, 42 minutes.
• To count from 1 to 18,211,500,164,520 would take you about one million, four hundred forty-seven thousand, six hundred seventy-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 18211500164520 cubic inches would be around 2192.5 feet tall.

Recreational maths with 18211500164520

• 18211500164520 backwards is 02546100511281
• 18211500164520 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18211500164520's digits is 36
• More coming soon!