18281121206520

Names of 18281121206520

• Cardinal: 18281121206520 can be written as Eighteen trillion, two hundred eighty-one billion, one hundred twenty-one million, two hundred six thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.828112120652 × 10¹³

Factors of 18281121206520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 395

Divisors of 18281121206520

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 29 30 40 43 58 60 86 87 116 120 129 145 172 174 215 232 258 290 313 344 348 430 435 516 580 626 645 696 841 860 870 939 1032 1160 1247 1252 1290 1565 1682 1720 1740 1849 1878 2494 2504 2523 2580 3130 3364 3480 3698 3741 3756 4205 4695 4988 5046 5160 5547 6235 6260 6728 7396 7482 7512 8410 9077 9245 9390 9976 10092 11094 12470 12520 12615 13459 14792 14964 16820 18154 18490 18705 18780 20184 22188 24940 25230 26918 27231 27735 29928 33640 36163 36308 36980 37410 37560 40377 44376 45385 49880 50460 53621 53836 54462 55470 67295 72326 72616 73960 74820 80754 90770 97969 100920 107242 107672 108489 108924 110940 134590 136155 144652 149640 160863 161508 180815 181540 195938 201885 214484 216978 217848 221880 263233 268105 269180 272310 289304 293907 321726 323016 361630 363080 390311 391876 403770 428968 433956 489845 526466 536210 538360 542445 544620 578737 587814 643452 723260 780622 783752 789699 804315 807540 867912 979690 1052932 1072420 1084890 1089240 1157474 1170933 1175628 1286904 1316165 1446520 1469535 1555009 1561244 1579398 1608630 1615080 1736211 1951555 1959380 2105864 2144840 2169780 2314948 2341866 2351256 2632330 2841101 2893685 2939070 3110018 3122488 3158796 3217260 3472422 3903110 3918760 3948495 4212667 4339560 4629896 4665027 4683732 5264660 5682202 5787370 5854665 5878140 6220036 6317592 6434520 6944844 7775045 7806220 7896990 8425334 8523303 8681055 9330054 9367464 10529320 11319019 11364404 11574740 11709330 11756280 12440072 12638001 13889688 14205505 15550090 15612440 15793980 16783373 16850668 17046606 17362110 18660108 21063335 22638038 22728808 23149480 23325135 23418660 25276002 28411010 31100180 31587960 33566746 33701336 33957057 34093212 34724220 37320216 42126670 42616515 45276076 46650270 46837320 50350119 50552004 56595095 56822020 62200360 63190005 67133492 67914114 68186424 69448440 82391929 83916865 84253340 85233030 90552152 93300540 100700238 101104008 113190190 113644040 122167343 126380010 134266984 135828228 164783858 167833730 168506680 169785285 170466060 181144681 186601080 201400476 226380380 244334686 247175787 251750595 252760020 271656456 329567716 335667460 339570570 340932120 362289362 366502029 402800952 411959645 452760760 486717817 488669372 494351574 503501190 505520040 543434043 610836715 659135432 671334920 679141140 724578724 733004058 823919290 905723405 973435634 977338744 988703148 1007002380 1086868086 1221673430 1235878935 1358282280 1449157448 1460153451 1466008116 1647838580 1811446810 1832510145 1946871268 1977406296 2014004760 2173736172 2433589085 2443346860 2471757870 2717170215 2920306902 2932016232 3295677160 3542852947 3622893620 3665020290 3893742536 4347472344 4867178170 4886693720 4943515740 5253195749 5434340430 5840613804 7085705894 7245787240 7300767255 7330040580 9734356340 9887031480 10506391498 10628558841 10868680860 11681227608 14171411788 14601534510 14660081160 15759587247 17714264735 19468712680 21012782996 21257117682 21737361720 26265978745 28342823576 29203069020 31519174494 35428529470 42025565992 42514235364 52531957490 53142794205 58406138040 63038348988 70857058940 78797936235 85028470728 105063914980 106285588410 126076697976 141714117880 152342676721 157595872470 210127829960 212571176820 304685353442 315191744940 425142353640 457028030163 609370706884 630383489880 761713383605 914056060326 1218741413768 1523426767210 1828112120652 2285140150815 3046853534420 3656224241304 4570280301630 6093707068840 9140560603260 18281121206520
• Sum of all divisors σ(n): 58337749889640
• Sum of proper divisors (its aliquot sum) s(n): 40056628683120
• 18281121206520 is an abundant number, because the sum of its proper divisors (40056628683120) is greater than itself. Its abundance is 21775507476600

Bases of 18281121206520

• Binary: 100001010000001100111101111000101000011111000₂
• Hexadecimal: 0x10A067BC50F8
• Base-36: 6HA8BK83C

Squares and roots of 18281121206520

• 18281121206520 squared (18281121206520²) is 334199392567475260490510400
• 18281121206520 cubed (18281121206520³) is 6109539602671374454568530770658607808000
• The square root of 18281121206520 is 4275642.7828479779
• The cube root of 18281121206520 is 26343.1442119705

Scales and comparisons

• 18,281,121,206,520 seconds is equal to 581,283 years, 5 weeks, 4 days, 2 minutes.
• To count from 1 to 18,281,121,206,520 would take you about one million, four hundred fifty-three thousand, two hundred seven 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 18281121206520 cubic inches would be around 2195.3 feet tall.

Recreational maths with 18281121206520

• 18281121206520 backwards is 02560212118281
• The number of decimal digits it has is: 14
• The sum of 18281121206520's digits is 39
• More coming soon!