18081429687321

Names of 18081429687321

• Cardinal: 18081429687321 can be written as Eighteen trillion, eighty-one billion, four hundred twenty-nine million, six hundred eighty-seven thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.8081429687321 × 10¹³

Factors of 18081429687321

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 470

Divisors of 18081429687321

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 7 11 13 21 33 39 47 49 77 91 121 141 143 147 169 231 273 329 343 363 389 429 507 517 539 611 637 847 987 1001 1029 1167 1183 1551 1573 1617 1833 1859 1911 2209 2303 2541 2723 3003 3549 3619 3773 4277 4279 4459 4719 5057 5577 5687 5929 6627 6721 6909 7007 7943 8169 8281 10857 11011 11319 12831 12837 13013 13377 15171 15463 16121 17061 17787 18283 19061 20163 20449 21021 23829 24299 24843 25333 28717 29939 29953 33033 35399 39039 39809 41503 46389 47047 47069 48363 49049 54849 55601 55627 57183 57967 61347 65741 72897 73931 75999 77077 86151 87373 89817 89859 91091 106197 108241 119427 124509 127981 133427 141141 141207 143143 147147 166803 166881 170093 173901 177331 197223 201019 201113 209573 209671 221793 231231 237679 247793 262119 267289 273273 278663 315887 324723 329329 329483 373321 383943 389207 389389 400281 429429 460187 510279 517517 531993 539539 603057 603339 611611 611897 628719 629013 637637 713037 723151 743379 757687 801867 835989 859301 895867 947661 961103 987987 988449 1002001 1119963 1167621 1168167 1190651 1380561 1407133 1407791 1467697 1552551 1618617 1663753 1734551 1834833 1835691 1871023 1912911 1950641 2169453 2211209 2212243 2273061 2305303 2306381 2577903 2613247 2614469 2687601 2724449 2725723 2883309 3006003 3089827 3221309 3474757 3571953 3622619 4106531 4221399 4223373 4281277 4283279 4403091 4991259 5062057 5203653 5613069 5851923 6015107 6271069 6633627 6636729 6727721 6915909 6919143 7014007 7839741 7843407 7954661 8173347 8177169 8334557 9269481 9452311 9663927 9849931 9854537 10424271 10867857 11170913 11646271 12319593 12843831 12849837 13097161 15186171 15478463 15485701 16144667 18045321 18292729 18301283 18813207 19080061 20183163 21042021 21628789 22549163 23863983 24323299 25003671 25358333 28356933 28745717 28759159 29549793 29563611 29968939 29982953 33512739 33988097 34938813 35434399 39291483 42105749 45171841 46435389 46457103 47094047 48434001 54878187 54903849 55682627 57240183 64886367 66166177 67647489 68981759 72969897 76074999 78196391 81523897 86237151 86277477 89906817 89948859 91680127 101964291 103975421 106303197 108349241 108399907 122880043 126317247 128049103 128108981 135515523 141282141 145221869 151401523 167047881 170263093 198498531 201220019 201314113 206945277 209880671 234589173 237916679 244571691 248040793 275040381 294740243 311926263 316202887 325047723 325199721 329658329 368640129 373869067 384147309 384326943 389778389 435665607 454204569 463163239 510789279 547374737 603660057 603942339 629642013 713750037 727827947 744122379 758799349 860160301 884220729 896762867 948608661 988974987 1016553083 1059810661 1121607201 1169335167 1191841651 1351680473 1389489717 1408540133 1409198791 1597440559 1642124211 1665416753 2183483841 2213420209 2276398047 2580480903 2617083469 2690288601 2728448723 3049659249 3179431983 3242142673 3575524953 3831623159 4055041419 4225620399 4227596373 4792321677 4996250259 5094795629 6021122107 6640260627 7115871581 7851250407 8185346169 9461763311 9726428019 9864391537 11182083913 11494869477 11657917271 15284386887 15493941463 17571846149 18063366321 18319584283 21347614743 28385289933 29593174611 33546251739 34973751813 35663569403 42147854749 46481824389 49811101067 52715538447 54958752849 66232343177 78274587391 106990708209 123002923043 126443564247 128237089981 149433303201 198697029531 234823762173 369008769129 384711269943 463626402239 547922111737 861020461301 1390879206717 1643766335211 2583061383903 6027143229107 18081429687321
• Sum of all divisors σ(n): 34278268752000
• Sum of proper divisors (its aliquot sum) s(n): 16196839064679
• 18081429687321 is a deficient number, because the sum of its proper divisors (16196839064679) is less than itself. Its deficiency is 1884590622642

Bases of 18081429687321

• Binary: 100000111000111101001001100011000110000011001₂
• Hexadecimal: 0x1071E9318C19
• Base-36: 6EQHSDXQX

Squares and roots of 18081429687321

• 18081429687321 squared (18081429687321²) is 326938099537533195828157041
• 18081429687321 cubed (18081429687321³) is 5911508258894260827746771427496314577161
• The square root of 18081429687321 is 4252226.4388577661
• The cube root of 18081429687321 is 26246.8741552921

Scales and comparisons

• 18,081,429,687,321 seconds is equal to 574,933 years, 27 weeks, 5 days, 13 hours, 35 minutes, 21 seconds.
• To count from 1 to 18,081,429,687,321 would take you about one million, four hundred thirty-seven thousand, three hundred thirty-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 18081429687321 cubic inches would be around 2187.2 feet tall.

Recreational maths with 18081429687321

• 18081429687321 backwards is 12378692418081
• The number of decimal digits it has is: 14
• The sum of 18081429687321's digits is 60
• More coming soon!