18438429523185

Names of 18438429523185

• Cardinal: 18438429523185 can be written as Eighteen trillion, four hundred thirty-eight billion, four hundred twenty-nine million, five hundred twenty-three thousand, one hundred eighty-five.

Scientific notation

• Scientific notation: 1.8438429523185 × 10¹³

Factors of 18438429523185

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 138

Divisors of 18438429523185

• Number of divisors d(n): 784
• Complete list of divisors:
  1 3 5 7 9 15 19 21 27 31 35 45 49 57 63 73 81 93 95 105 133 135 147 155 171 189 217 219 243 245 279 285 315 343 365 399 405 441 465 511 513 567 589 651 657 665 729 735 837 855 931 945 1029 1085 1095 1197 1215 1323 1387 1395 1519 1533 1539 1701 1715 1767 1953 1971 1995 2205 2263 2401 2511 2555 2565 2793 2835 2945 3087 3255 3285 3577 3591 3645 3969 4123 4161 4185 4557 4599 4617 4655 5103 5145 5301 5859 5913 5985 6517 6615 6789 6935 7203 7533 7595 7665 7695 8379 8505 8835 9261 9709 9765 9855 10633 10731 10773 11315 11907 12005 12369 12483 12555 13671 13797 13851 13965 15435 15841 15903 16807 17577 17739 17885 17955 19551 19845 20367 20615 20805 21609 22599 22785 22995 23085 25039 25137 25515 26505 27783 28861 29127 29295 29565 31899 32193 32319 32585 33945 35721 36015 37107 37449 37665 41013 41391 41895 42997 45619 46305 47523 47709 48545 50421 52731 53165 53217 53655 53865 58653 59535 61101 61845 62415 64827 67963 68355 68985 69255 74431 75117 75411 79205 79515 83349 84035 86583 87381 87885 88695 95697 96579 96957 97755 101835 108045 110887 111321 112347 112995 117649 123039 124173 125195 125685 128991 136857 138915 142569 143127 144305 145635 151263 158193 159495 160965 161595 175273 175959 178605 183303 185535 187245 194481 202027 203889 205065 206955 214985 223293 225351 226233 228095 237615 238545 250047 252105 259749 262143 263655 266085 287091 289737 293265 300979 305505 319333 324135 332661 333963 337041 339815 352947 369117 372155 372519 375585 377055 386973 410571 416745 427707 429381 432915 436905 453789 475741 478485 482895 484785 521017 525819 527877 549909 554435 556605 561735 583443 588245 606081 611667 615195 620865 644955 669879 676053 678699 684285 712845 715635 756315 776209 779247 786429 790965 861273 869211 876365 879795 902937 916515 957999 972405 997983 1001889 1010135 1011123 1019445 1058841 1107351 1116465 1126755 1131165 1160919 1226911 1231713 1250235 1283121 1298745 1310715 1361367 1414189 1427223 1435455 1448685 1504895 1563051 1577457 1583631 1596665 1649727 1663305 1669815 1685205 1750329 1764735 1818243 1835001 1845585 1862595 1934865 2009637 2028159 2052855 2106853 2138535 2146905 2235331 2268945 2328627 2337741 2359287 2378705 2583819 2605085 2607633 2629095 2639385 2708811 2749545 2873997 2917215 2993949 3005667 3030405 3058335 3176523 3330187 3349395 3380265 3393495 3482757 3647119 3680733 3695139 3849363 3881045 3896235 3932145 4084101 4242567 4281669 4306365 4346055 4514685 4689153 4732371 4750893 4789995 4989915 5009445 5055615 5294205 5433463 5454729 5505003 5536755 5804595 6028911 6084477 6134555 6158565 6320559 6415605 6705993 6806835 6985881 7013223 7070945 7077861 7136115 7751457 7815255 7887285 7918155 8126433 8248635 8588377 8621991 8751645 8981847 9091215 9175005 9529569 9899323 9990561 10048185 10140795 10448271 10534265 10941357 11042199 11085417 11176655 11548089 11643135 11688705 11796435 12252303 12727701 12845007 12919095 13038165 13544055 14067459 14197113 14369985 14747971 14969745 15028335 15882615 16300389 16364187 16515009 16650935 17413785 18086733 18235595 18253431 18403665 18475695 18961677 19246815 20117979 20420505 20957643 21039669 21212835 21408345 23311309 23445765 23661855 23754465 24379299 25765131 25865973 26945541 27167315 27273645 27525015 28588707 29697969 29971683 30144555 30422385 31344813 31602795 32824071 33126597 33256251 33529965 34929405 35066115 35389305 38034241 38183103 38535021 38757285 40632165 42202377 42591339 42941885 43109955 44243913 44909235 47647845 48901167 49092561 49496615 49545027 49952805 52241355 54260199 54706785 55210995 55427085 56885031 57740445 60353937 61261515 62872929 63638505 64225035 69295261 69933927 70337295 70985565 73137897 73739855 77295393 77597919 80836623 81501945 81820935 82575045 85766121 89093907 89915049 90433665 91267155 94808385 98472213 99379791 100589895 103235797 104788215 105198345 114102723 114549309 115605063 116556545 121896495 126607131 127774017 128825655 129329865 132731739 134727705 142943535 146703501 147277683 148489845 149858415 156724065 163179163 164120355 165632985 166281255 170655093 181061811 188618787 190171205 190915515 192675105 207885783 209801781 211011885 212956695 219413691 221219565 231886179 232793757 244505835 245462805 247725135 266239687 267281721 269745147 271300995 284425155 295416639 298139373 301769685 309707391 314364645 342308169 343647927 346476305 346815189 349669635 365689485 379821393 386476965 387989595 398195217 404183115 428830605 440110503 445469535 449575245 489537489 492361065 496898955 511965279 516178985 543185433 565856361 570513615 572746545 578025315 623657349 629405343 633035655 638870085 663658695 695658537 722650579 733517505 736388415 798719061 801845163 809235441 815895815 853275465 886249917 894418119 905309055 929122173 943093935 1026924507 1030943781 1039428915 1049008905 1097068455 1159430895 1163968785 1194585651 1320331509 1331198435 1336408605 1348725735 1468612467 1477083195 1490696865 1535895837 1548536955 1629556299 1711540845 1718239635 1734075945 1870972047 1888216029 1899106965 1990976085 2086975611 2167951737 2200552515 2396157183 2405535489 2427706323 2447687445 2559826395 2658749751 2715927165 2787366519 2829281805 3080773521 3118286745 3147026715 3478292685 3583756953 3613252895 3960994527 3993595305 4009225815 4046177205 4405837401 4431249585 4472090595 4645610865 5058554053 5134622535 5154718905 5612916141 5664648087 5972928255 6260926833 6503855211 6601657545 7188471549 7216606467 7343062335 7679479185 8147781495 8362099557 9242320563 9354860235 9441080145 10434878055 10751270859 10839758685 11980785915 12027677445 12138531615 13217512203 13293748755 13936832595 15175662159 15403867605 16838748423 16993944261 17918784765 19511565633 19804972635 21565414647 22029187005 25086298671 25292770265 27726961689 28064580705 28323240435 31304634165 32519276055 35942357745 36083032335 39652536609 41810497785 45526986477 46211602815 50516245269 53756354295 58534696899 64696243941 66087561015 75258896013 75878310795 84193742115 84969721305 97557828165 107827073235 118957609827 125431493355 136580959431 138634808445 175604090697 194088731823 198262683045 227634932385 252581226345 292673484495 323481219705 376294480065 409742878293 526812272091 594788049135 682904797155 878020453485 970443659115 1229228634879 2048714391465 2634061360455 3687685904637 6146143174395 18438429523185
• Sum of all divisors σ(n): 42630223388160
• Sum of proper divisors (its aliquot sum) s(n): 24191793864975
• 18438429523185 is an abundant number, because the sum of its proper divisors (24191793864975) is greater than itself. Its abundance is 5753364341790

Bases of 18438429523185

• Binary: 100001100010100001000000010101011110011110001₂
• Hexadecimal: 0x10C5080ABCF1
• Base-36: 6JAHWVE29

Squares and roots of 18438429523185

• 18438429523185 squared (18438429523185²) is 339975683281460226452544225
• 18438429523185 cubed (18438429523185³) is 6268617675781869259379927138596875356625
• The square root of 18438429523185 is 4293999.2458295797
• The cube root of 18438429523185 is 26418.4890776431

Scales and comparisons

• 18,438,429,523,185 seconds is equal to 586,285 years, 1 week, 2 days, 2 hours, 39 minutes, 45 seconds.
• To count from 1 to 18,438,429,523,185 would take you about one million, four hundred sixty-five thousand, seven hundred twelve 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 18438429523185 cubic inches would be around 2201.5 feet tall.

Recreational maths with 18438429523185

• 18438429523185 backwards is 58132592483481
• 18438429523185 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18438429523185's digits is 63
• More coming soon!