18208036575918

Names of 18208036575918

• Cardinal: 18208036575918 can be written as Eighteen trillion, two hundred eight billion, thirty-six million, five hundred seventy-five thousand, nine hundred eighteen.

Scientific notation

• Scientific notation: 1.8208036575918 × 10¹³

Factors of 18208036575918

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 908

Divisors of 18208036575918

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 19 21 27 31 34 38 42 49 51 54 57 62 63 93 98 102 114 119 126 133 147 153 171 186 189 217 238 266 279 294 306 323 342 357 378 399 434 441 459 513 527 558 589 646 651 714 798 829 833 837 882 918 931 969 1026 1054 1071 1178 1197 1302 1323 1519 1581 1658 1666 1674 1767 1862 1938 1953 2142 2261 2394 2487 2499 2646 2793 2907 3038 3162 3213 3534 3591 3689 3906 4123 4522 4557 4743 4974 4998 5301 5586 5803 5814 5859 6426 6783 7182 7378 7461 7497 8246 8379 8721 9114 9486 10013 10602 11067 11606 11718 12369 13566 13671 14093 14229 14922 14994 15751 15827 15903 16758 17409 17442 20026 20349 22134 22383 22491 24738 25137 25699 25823 27342 28186 28458 28861 30039 31502 31654 31806 33201 34818 37107 40621 40698 41013 42279 44766 44982 47253 47481 50274 51398 51646 52227 57722 60078 61047 66402 70091 74214 77097 77469 81242 82026 84558 86583 90117 94506 94962 98651 99603 104454 110257 111321 121863 122094 126837 140182 141759 142443 154194 154938 156681 173166 179893 180234 197302 199206 210273 220514 222642 231291 232407 243726 253674 259749 267767 270351 283518 284886 295953 313362 330771 359786 365589 380511 420546 425277 427329 436883 462582 464814 488281 490637 519498 535534 539679 540702 591906 630819 661542 687241 690557 693873 697221 731178 761022 771799 779247 803301 850554 854658 873766 887859 976562 981274 992313 1079358 1096767 1259251 1261638 1310649 1374482 1381114 1387746 1394442 1464843 1471911 1543598 1558494 1606602 1619037 1775718 1874369 1892457 1984626 2061723 2071671 2193534 2315397 2409903 2518502 2621298 2663577 2929686 2943822 2976939 3058181 3238074 3417967 3748738 3777753 3784914 3931947 4123446 4143342 4394529 4415733 4630794 4810687 4819806 4857111 5327154 5623107 5953878 6116362 6185169 6215013 6835934 6946191 7229709 7555506 7863894 8300777 8789058 8831466 9174543 9621374 9714222 10253901 11246214 11333259 11683097 11795841 12370338 12430026 13057579 13120583 13183587 13247199 13892382 14432061 14459418 16601554 16869321 18349086 18555507 18645039 20507802 20838573 21304471 21407267 22666518 23366194 23591682 23925769 24902331 26115158 26241166 26367174 26494398 27523629 28864122 30761703 33674809 33738642 33999777 35049291 37111014 37290078 39172737 39361749 41677146 42608942 42814534 43296183 47851538 49804662 50607963 55047258 58105439 61523406 63913413 64221801 67349618 67999554 70098582 71777307 74706993 78345474 78723498 81781679 82570887 86592366 91403053 92285109 101024427 101215926 105147873 116210878 117518211 118085247 127826826 128443602 129888549 143554614 149131297 149413986 163563358 165141774 174316317 182806106 184570218 191740239 192665403 202048854 210295746 215331921 221978843 224120979 235036422 236170494 245345037 259777098 274209159 298262594 303073281 315443619 348632634 352554633 354255741 362176007 383480478 385330806 404784949 406738073 430663842 443957686 447393891 448241958 490690074 522948951 548418318 572471753 575220717 577996209 606146562 630887238 639821371 645995763 665936529 705109266 708511482 724352014 736035111 809569898 813476146 822627477 894787782 909219843 1043919079 1045897902 1086528021 1144943506 1150441434 1155992418 1214354847 1220214219 1279642742 1291991526 1331873058 1342181673 1472070222 1553851901 1568846853 1645254954 1717415259 1818439686 1919464113 1997809587 2087838158 2173056042 2208105333 2428709694 2440428438 2467882431 2535232049 2684363346 2833494643 3107703802 3131757237 3137693706 3259584063 3434830518 3643064541 3660642657 3838928226 3995619174 4026545019 4416210666 4661555703 4935764862 5070464098 5152245777 5666989286 5758392339 5993428761 6263514474 6519168126 6881344133 7286129082 7321285314 7605696147 8053090038 8500483929 9323111406 9395271711 9778752189 10304491554 10876963307 10929193623 10981927971 11516784678 11986857522 13762688266 13984667109 15211392294 15456737331 17000967858 17275177017 17746624343 18790543422 19557504378 19834462501 20644032399 21753926614 21858387246 21963855942 22817088441 25501451787 27969334218 28185815133 30913474662 32630889921 34550354034 35493248686 39668925002 41288064798 41954001327 45634176882 48169408931 51002903574 53239873029 56371630266 59503387503 61932097197 65261779842 68451265323 76504355361 83908002654 96338817862 97892669763 106479746058 119006775006 123864194394 136902530646 144508226793 153008710722 159719619087 178510162509 185796291591 195785339526 289016453586 293678009289 319439238174 337185862517 357020325018 371592583182 433524680379 479158857261 535530487527 587356018578 674371725034 867049360758 958317714522 1011557587551 1071060975054 1300574041137 2023115175102 2601148082274 3034672762653 6069345525306 9104018287959 18208036575918
• Sum of all divisors σ(n): 54217792972800
• Sum of proper divisors (its aliquot sum) s(n): 36009756396882
• 18208036575918 is an abundant number, because the sum of its proper divisors (36009756396882) is greater than itself. Its abundance is 17801719820964

Bases of 18208036575918

• Binary: 100001000111101100011100011010101101010101110₂
• Hexadecimal: 0x108F638D5AAE
• Base-36: 6GCNMUY7I

Squares and roots of 18208036575918

• 18208036575918 squared (18208036575918²) is 331532595949967685777542724
• 18208036575918 cubed (18208036575918³) is 6036557633166055415787675567760914520632
• The square root of 18208036575918 is 4267087.5988099893
• The cube root of 18208036575918 is 26307.9922776347

Scales and comparisons

• 18,208,036,575,918 seconds is equal to 578,959 years, 12 weeks, 4 days, 1 hour, 45 minutes, 18 seconds.
• To count from 1 to 18,208,036,575,918 would take you about one million, four hundred forty-seven thousand, three hundred ninety-eight 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 18208036575918 cubic inches would be around 2192.3 feet tall.

Recreational maths with 18208036575918

• 18208036575918 backwards is 81957563080281
• 18208036575918 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18208036575918's digits is 63
• More coming soon!