18195045249381

Names of 18195045249381

• Cardinal: 18195045249381 can be written as Eighteen trillion, one hundred ninety-five billion, forty-five million, two hundred forty-nine thousand, three hundred eighty-one.

Scientific notation

• Scientific notation: 1.8195045249381 × 10¹³

Factors of 18195045249381

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4994

Divisors of 18195045249381

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 7 11 13 21 33 37 39 49 67 73 77 91 111 143 147 201 219 231 259 273 407 429 469 481 511 539 637 737 777 803 871 949 1001 1221 1407 1443 1533 1617 1813 1911 2211 2409 2479 2613 2701 2847 2849 3003 3283 3367 3577 4783 4891 5159 5291 5439 5621 6097 6643 7007 7437 8103 8547 9581 9849 10101 10439 10731 14349 14673 15477 15873 16863 17353 18291 18907 19929 19943 21021 23569 27269 28743 29711 31317 32227 33481 34237 35113 36113 37037 39347 42679 46501 52059 52613 53801 56721 59829 62179 63583 67067 70707 73073 81807 89133 96681 100443 102711 105339 108339 111111 118041 121471 128037 132349 139503 157839 161403 176971 180967 186537 190749 190883 201201 207977 219219 225589 234367 239659 245791 259259 320461 349159 354497 364413 368291 376607 386243 397047 435253 445081 469469 511511 530913 542901 572649 623931 676767 683969 699413 703101 718977 737373 777777 961383 1047477 1063491 1104873 1129821 1158729 1238797 1266769 1305759 1335243 1336181 1408407 1455839 1534533 1579123 1720537 1946681 1990637 2051907 2098239 2243227 2300623 2352571 2444113 2481479 2578037 2636249 2703701 3046771 3115567 3525071 3716391 3800307 3840749 4008543 4165993 4367517 4539067 4737369 4787783 4895891 5161611 5840043 5971911 6729681 6901869 7057713 7332339 7444437 7734111 7908747 8111103 8671579 8867383 9140313 9346701 10575213 11522247 11857057 12497979 12918883 13617201 13626767 13934459 14363349 14687673 15702589 16104361 16467997 17108791 17370353 18925907 23393653 24675497 25306853 25878281 26014737 26602149 26885243 29161951 31773469 33514481 34271237 35571171 38756649 40880301 41803377 45825923 47107767 48313083 49403991 49929737 51326373 52111059 56777721 70180959 74026491 75920559 77634843 80655729 82999399 87485853 90432181 95320407 95387369 97541213 100543443 102813711 112730527 115275979 130427627 137477769 142107713 149789211 154141741 163755571 167945479 172728479 177147971 181147967 188196701 204133657 222414283 248998197 257330183 271296543 286162107 292623639 304117489 320781461 338191581 345827937 349508159 391282881 426323139 462425223 491266713 503836437 518185437 531443913 543443901 564590103 580995793 612400971 633025267 667242849 771990549 865565161 912352467 912993389 962344383 994753991 1048524477 1078992187 1146288997 1175618353 1240035797 1268035769 1695559151 1742987379 1801311281 1847400269 1899075801 2128822423 2245470227 2446557113 2596695483 2738980167 2984261973 3236976561 3345292379 3438866991 3526855059 3720107391 3804107307 5086677453 5403933843 5542200807 6058956127 6386467269 6390953723 6736410681 6963277937 7339671339 7552945309 8229328471 9521216771 10035877137 11252347093 11868914057 12609178967 12931801883 14901756961 18176868381 19172861169 20889833811 22658835927 23417046653 24687985413 28563650313 33757041279 35606742171 37827536901 38795405649 42412692889 44705270883 66648517397 70251139959 78766429651 83082398399 90522613181 123775818023 127238078667 163919326571 199945552191 236299288953 249247195197 271567839543 371327454069 466539621779 491757979713 551365007557 866430726161 1399618865337 1654095022671 2599292178483 6065015083127 18195045249381
• Sum of all divisors σ(n): 35039631384576
• Sum of proper divisors (its aliquot sum) s(n): 16844586135195
• 18195045249381 is a deficient number, because the sum of its proper divisors (16844586135195) is less than itself. Its deficiency is 1350459114186

Bases of 18195045249381

• Binary: 100001000110001011101001101010111000101100101₂
• Hexadecimal: 0x108C5D357165
• Base-36: 6G6OS5QHX

Squares and roots of 18195045249381

• 18195045249381 squared (18195045249381²) is 331059671627022096480883161
• 18195045249381 cubed (18195045249381³) is 6023645705498882231482408196636368573341
• The square root of 18195045249381 is 4265565.0562828133
• The cube root of 18195045249381 is 26301.7339232719

Scales and comparisons

• 18,195,045,249,381 seconds is equal to 578,546 years, 8 weeks, 1 day, 11 hours, 56 minutes, 21 seconds.
• To count from 1 to 18,195,045,249,381 would take you about one million, four hundred forty-six thousand, three hundred sixty-five 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 18195045249381 cubic inches would be around 2191.8 feet tall.

Recreational maths with 18195045249381

• 18195045249381 backwards is 18394254059181
• The number of decimal digits it has is: 14
• The sum of 18195045249381's digits is 60
• More coming soon!