18946339155513

Names of 18946339155513

• Cardinal: 18946339155513 can be written as Eighteen trillion, nine hundred forty-six billion, three hundred thirty-nine million, one hundred fifty-five thousand, five hundred thirteen.

Scientific notation

• Scientific notation: 1.8946339155513 × 10¹³

Factors of 18946339155513

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 828

Divisors of 18946339155513

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 7 9 11 19 21 27 31 33 57 63 77 81 93 99 133 171 189 209 217 231 243 279 297 341 399 513 567 589 627 651 693 729 757 837 891 1023 1197 1463 1539 1701 1767 1881 1953 2079 2271 2387 2511 2673 3069 3591 4123 4389 4617 5103 5299 5301 5643 5859 6237 6479 6813 7161 7533 8019 8327 9207 10773 12369 13167 13851 14383 15897 15903 16929 17577 18711 19437 20439 21483 22599 23467 24981 27621 32319 37107 39501 43149 45353 47691 47709 50787 52731 56133 58289 58311 61317 64449 70401 74943 82863 96957 100681 111321 118503 129447 136059 143073 143127 152361 158193 158213 164269 174867 174933 183951 193347 211203 224829 248589 258137 302043 333963 355509 388341 408177 429219 429381 445873 474639 492807 524601 524799 551853 573049 580041 633609 674487 774411 906129 1001889 1066527 1107491 1165023 1224531 1287657 1337619 1423917 1478421 1573803 1574397 1719147 1740123 1806959 1900827 2023461 2323233 2718387 3005667 3121111 3322473 3495069 3673593 3862971 4011343 4012857 4271751 4435263 4721409 4723191 4904603 5157441 5420877 5702481 6070383 6303539 6969699 8155161 9363333 9967419 10485207 10887931 11020779 12034029 12038571 12815253 13305789 14164227 14713809 15472323 16262631 17107443 17764519 18910617 20909097 24465483 28089999 29902257 32663793 33062337 34332221 36102087 36115713 38445759 39917367 42492681 44124773 44141427 46416969 48787893 53293557 56731851 62727291 73396449 76215517 84269997 89706771 97991379 102996663 108306261 108347139 115337277 119752101 119767241 124351633 132374319 132424281 139250907 146363679 159880671 170195553 188181873 195409709 228646551 252809991 269120313 293974137 308989989 324918783 325041417 337525861 359301723 373054899 397122957 397272843 417752721 439091037 479642013 510586659 586229127 685939653 758429973 807360939 838370687 881922411 926969967 974756349 1012577583 1077905169 1119164697 1191368871 1191818529 1317273111 1367867963 1438926039 1531759977 1758687381 2057818959 2275289919 2362681027 2515112061 2645767233 2780909901 2924269047 3037732749 3233715507 3357494091 3574106613 3575455587 3712784471 4103603889 4316778117 4595279931 5276062143 6173456877 7088043081 7545336183 7937301699 8342729703 9113198247 9701146521 10072482273 10722319839 11138353413 12310811667 12950334351 15828186429 18520370631 21264129243 22636008549 25028189109 25989491297 27339594741 29103439563 30217446819 32166959517 33415060239 36932435001 47484559287 55561111893 63792387729 67908025647 77968473891 82018784223 87310318689 90652340457 100245180717 110797305003 142453677861 191377163187 203724076941 233905421673 246056352669 300735542151 332391915009 574131489561 611172230823 701716265019 902206626453 997175745027 1722394468683 2105148795057 2706619879359 6315446385171 18946339155513
• Sum of all divisors σ(n): 38533389373440
• Sum of proper divisors (its aliquot sum) s(n): 19587050217927
• 18946339155513 is an abundant number, because the sum of its proper divisors (19587050217927) is greater than itself. Its abundance is 640711062414

Bases of 18946339155513

• Binary: 100010011101101001001110100001010111000111001₂
• Hexadecimal: 0x113B49D0AE39
• Base-36: 6PRTT5IK9

Squares and roots of 18946339155513

• 18946339155513 squared (18946339155513²) is 358963767395725057998293169
• 18946339155513 cubed (18946339155513³) is 6801049281620086458641714745746856590697
• The square root of 18946339155513 is 4352739.2703346019
• The cube root of 18946339155513 is 26658.8719787531

Scales and comparisons

• 18,946,339,155,513 seconds is equal to 602,434 years, 50 weeks, 6 days, 19 hours, 38 minutes, 33 seconds.
• To count from 1 to 18,946,339,155,513 would take you about one million, five hundred six thousand and eighty-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 18946339155513 cubic inches would be around 2221.6 feet tall.

Recreational maths with 18946339155513

• 18946339155513 backwards is 31555193364981
• 18946339155513 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18946339155513's digits is 63
• More coming soon!