18985435254513

Names of 18985435254513

• Cardinal: 18985435254513 can be written as Eighteen trillion, nine hundred eighty-five billion, four hundred thirty-five million, two hundred fifty-four thousand, five hundred thirteen.

Scientific notation

• Scientific notation: 1.8985435254513 × 10¹³

Factors of 18985435254513

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 119

Divisors of 18985435254513

• Number of divisors d(n): 378
• Complete list of divisors:
  1 3 7 9 13 17 21 39 49 51 63 79 91 117 119 147 153 169 221 237 273 343 357 441 507 553 637 663 711 819 833 1027 1029 1071 1183 1343 1521 1547 1659 1911 1989 2401 2499 2873 3081 3087 3549 3871 4029 4459 4641 4977 5733 5831 6241 7189 7203 7497 8281 8619 9243 9401 10647 10829 11613 12087 13351 13377 13923 16807 17459 17493 18723 20111 21567 21609 24843 25857 27097 28203 31213 32487 34839 40053 40131 40817 43687 50323 50421 52377 52479 56169 57967 60333 64701 65807 74529 75803 81133 81291 84609 93457 93639 97461 106097 117649 120159 122213 122451 131061 140777 150969 151263 157131 173901 180999 189679 197421 218491 226967 227409 243399 243873 280371 280917 285719 305809 318291 352261 352947 366639 367353 393183 405769 422331 452907 460649 521703 530621 567931 569037 592263 654199 655473 680901 682227 730197 742679 841113 855491 857157 917427 954873 985439 1054729 1056783 1058841 1099917 1217307 1266993 1327753 1379261 1381947 1529437 1588769 1591863 1703793 1707111 1962597 1966419 2000033 2042703 2140663 2228037 2465827 2566473 2571471 2752281 2840383 2956317 3164187 3170349 3224543 3651921 3714347 3975517 3983259 4137783 4145841 4579393 4588311 4766307 4775589 5111379 5198753 5887791 5988437 6000099 6421989 6684111 6898073 7383103 7397481 7699419 8521149 8868951 9294271 9492561 9654827 9673629 11121383 11143041 11926551 11949777 12413349 13738179 13764933 14298921 14984641 15596259 17260789 17930393 17965311 18000297 19265967 19882681 20694219 22149309 22192443 22571801 25563447 26000429 27828619 27882813 28964481 29020887 32055751 33364149 33429123 35779653 36391271 41214537 41919059 44953923 46788777 48286511 51681721 51782367 53791179 53895933 59648043 62082657 66447927 67583789 67715403 77849681 78001287 83485857 83648439 86893443 96167253 100092447 104892487 109173813 120825523 125512751 125757177 134861769 144859533 155045163 155347101 158002607 161373537 178944129 194800333 202751367 203146209 224390257 233549043 234003861 250457571 254738897 288501759 293433413 314677461 327521439 338005577 361772047 362476569 376538253 377271531 434578599 465135489 473086523 474007821 544947767 584400999 608254101 673170771 700647129 734247409 764216691 878589257 880300239 944032383 1014016731 1085316141 1087429707 1129614759 1363602331 1419259569 1422023463 1570731799 1634843301 1753202997 1783172279 2019512313 2054033891 2202742227 2292650073 2532404329 2635767771 2640900717 3042050193 3255948423 3311605661 3814634369 4090806993 4257778707 4712195397 4904529903 5349516837 6150124799 6162101673 6608226681 7597212987 7907303313 9545216317 9934816983 11443903107 12272420979 12482205953 14136586191 16048550511 17726830303 18450374397 18486305019 22791638961 23181239627 26702440583 28635648951 29804450949 34331709321 37446617859 43050873593 53180490909 55351123191 69543718881 80107321749 85906946853 112339853577 124087812121 129152620779 159541472727 162268677389 208631156643 240321965247 301356115151 372263436363 387457862337 486806032167 904068345453 1116790309089 1460418096501 2109492806057 2712205036359 6328478418171 18985435254513
• Sum of all divisors σ(n): 37152431304534
• Sum of proper divisors (its aliquot sum) s(n): 18166996050021
• 18985435254513 is a deficient number, because the sum of its proper divisors (18166996050021) is less than itself. Its deficiency is 818439204492

Bases of 18985435254513

• Binary: 100010100010001100100000111111100111011110001₂
• Hexadecimal: 0x1144641FCEF1
• Base-36: 6Q9SDYLM9

Squares and roots of 18985435254513

• 18985435254513 squared (18985435254513²) is 360446751803305101086867169
• 18985435254513 cubed (18985435254513³) is 6843238469061165923567737183605338783697
• The square root of 18985435254513 is 4357227.9323571081
• The cube root of 18985435254513 is 26677.1963949643

Scales and comparisons

• 18,985,435,254,513 seconds is equal to 603,678 years, 5 weeks, 6 days, 23 hours, 8 minutes, 33 seconds.
• To count from 1 to 18,985,435,254,513 would take you about one million, five hundred nine thousand, one hundred ninety-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 18985435254513 cubic inches would be around 2223.1 feet tall.

Recreational maths with 18985435254513

• 18985435254513 backwards is 31545253458981
• 18985435254513 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18985435254513's digits is 63
• More coming soon!