18418894128999

Names of 18418894128999

• Cardinal: 18418894128999 can be written as Eighteen trillion, four hundred eighteen billion, eight hundred ninety-four million, one hundred twenty-eight thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8418894128999 × 10¹³

Factors of 18418894128999

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 735

Divisors of 18418894128999

• Number of divisors d(n): 640
• Complete list of divisors:
  1 3 7 9 13 21 27 31 39 43 49 63 67 81 91 93 117 129 147 189 201 217 273 279 301 343 351 387 403 441 469 559 567 571 603 637 651 819 837 871 903 1029 1053 1161 1209 1323 1333 1407 1519 1677 1713 1809 1911 1953 2077 2107 2457 2511 2613 2709 2821 2881 3087 3283 3483 3627 3913 3969 3997 3999 4221 4459 4557 5031 5139 5427 5733 5859 6097 6231 6321 7371 7423 7839 8127 8463 8643 9261 9331 9849 10633 10881 11739 11991 11997 12663 13377 13671 14539 14749 15093 15417 17199 17329 17577 17701 18291 18693 18963 19747 20167 22269 22981 23517 24381 24553 25389 25929 27001 27391 27783 27979 27993 29547 31899 32643 35217 35973 35991 37453 37989 38257 40131 41013 42679 43617 44247 45279 46251 51597 51961 51987 53103 54873 56079 56889 59241 60501 65317 66807 68943 70551 73659 76167 77787 81003 82173 83937 83979 88641 89311 95697 101773 105651 107919 107973 112359 114771 120393 121303 123039 123907 128037 130851 132741 138229 141169 155883 155961 159309 164619 168237 170667 171871 177723 181503 189007 191737 195853 195951 200421 206829 220977 228501 230113 233361 243009 246519 251811 251937 262171 265923 267799 267933 287091 298753 305319 316953 319189 323757 337077 344313 361179 363727 363909 371721 384111 392553 398223 414687 423507 457219 467649 467883 477927 493857 497341 515613 533169 544509 567021 575211 587559 587853 601263 620487 625177 662931 690339 712411 729027 739557 755433 755811 761143 786513 803397 803799 849121 861273 867349 896259 915957 957567 988183 1011231 1032939 1091181 1091727 1115163 1152333 1161043 1177659 1185967 1194669 1203097 1244061 1270521 1323049 1371657 1402947 1403649 1433781 1492023 1546839 1599507 1610791 1633527 1645051 1701063 1725633 1762677 1763559 1835197 1861461 1874593 1875531 1988793 2071017 2137233 2187081 2218671 2234323 2266299 2283429 2359539 2410191 2411397 2546089 2547363 2602047 2688777 2747871 2872701 2964549 3033693 3098817 3273543 3275181 3345489 3456999 3481387 3483129 3557901 3609291 3732183 3811563 3969147 4114971 4208841 4376239 4476069 4640517 4832373 4935153 5103189 5176899 5288031 5290677 5328001 5505591 5623779 5626593 5943847 6071443 6213051 6411699 6702969 6850287 7078617 7230573 7234191 7638267 7642089 7806141 8066331 8127301 8243613 8301769 8421679 8618103 8893647 9261343 9820629 9825543 9894859 10036467 10444161 10449387 10673703 10827873 11196549 11275537 11434689 11515357 11907441 12344913 12846379 13122151 13128717 13428207 13921551 14497119 14805459 15309567 15417571 15530697 15640261 15864093 15984003 16516773 16871337 16879779 17831541 18214329 18639153 19235097 20108907 20550861 21235851 21385663 21691719 22914801 22926267 23418423 24198993 24369709 24381903 24905307 25265037 25854309 26680941 27784029 29461887 29684577 30633673 31332483 31348161 32021109 32483619 33826611 34546071 35722323 37034739 37296007 38539137 39366453 39386151 40284621 43491357 44416377 46252713 46920783 47952009 49550319 50614011 50639337 50996581 53494623 54642987 56891107 57705291 58112383 60326721 61652583 64156989 68744403 68778801 69264013 70255269 73109127 73145709 74715921 75795111 78928759 80042823 80607499 83352087 89053731 91901019 93997449 94044483 96063327 97450857 101479833 103638213 107166969 107922997 109481827 111888021 115617411 118099359 118158453 130474071 133249131 138758139 140762349 143856027 148650957 149699641 151842033 152989743 160483869 163928961 170587963 170673321 174337149 180980163 192470967 206233209 207792039 219327381 219437127 224147763 227385333 236786277 241822497 250056261 261072049 267161193 275703057 281992347 304439499 310914639 323768991 328445481 335664063 346852233 354298077 354475359 356976067 398237749 406786681 416274417 422287047 431568081 449098923 458969229 481451607 484848091 491786883 511763889 512019963 523011447 564252493 577412901 623376117 657982143 658311381 662955553 672443289 682155999 710358831 725467491 750168783 755460979 783216147 801483579 827109171 913318497 932743917 971306973 985336443 1006992189 1040556699 1047897487 1062894231 1070928201 1194713247 1220360043 1248823251 1266861141 1347296769 1376907687 1454544273 1535291667 1536059889 1569034341 1692757479 1732238703 1870128351 1973946429 1988866659 2131076493 2176402473 2266382937 2349648441 2481327513 2498832469 2913920919 2956009329 3020976567 3143692461 3212784603 3393936637 3584139741 3661080129 4041890307 4130723061 4363632819 4605875001 4608179667 4640688871 4707103023 5078272437 5288226853 5610385053 5966599977 6393229479 6529207419 6799148811 7048945323 7335282409 7496497407 8741762757 8868027987 9431077383 9638353809 10181809911 10752419223 10983240387 12125670921 13090898457 13817625003 13922066613 15234817311 15864680559 17491827283 17899799931 20397446433 21146835969 22005847227 22489492221 28293232149 28915061427 30545429733 32257257669 32484822097 32949721161 39272695371 41766199839 45704451933 47594041677 52475481849 53699399793 61192339299 66017541681 67468476663 84879696447 91636289199 97454466291 125298599517 142782125031 157426445547 198052625043 202405429989 227393754679 274908867597 292363398873 375895798551 428346375093 472279336641 594157875129 682181264037 877090196619 1416838009923 2046543792111 2631270589857 6139631376333 18418894128999
• Sum of all divisors σ(n): 37109148876800
• Sum of proper divisors (its aliquot sum) s(n): 18690254747801
• 18418894128999 is an abundant number, because the sum of its proper divisors (18690254747801) is greater than itself. Its abundance is 271360618802

Bases of 18418894128999

• Binary: 100001100000001111011101001000100011101100111₂
• Hexadecimal: 0x10C07BA44767
• Base-36: 6J1IU03FR

Squares and roots of 18418894128999

• 18418894128999 squared (18418894128999²) is 339255660935273830852742001
• 18418894128999 cubed (18418894128999³) is 6248714101430390556439973431939759386999
• The square root of 18418894128999 is 4291723.9110873617
• The cube root of 18418894128999 is 26409.1557091427

Scales and comparisons

• 18,418,894,128,999 seconds is equal to 585,663 years, 44 weeks, 5 days, 16 minutes, 39 seconds.
• To count from 1 to 18,418,894,128,999 would take you about one million, four hundred sixty-four thousand, one hundred fifty-nine 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 18418894128999 cubic inches would be around 2200.8 feet tall.

Recreational maths with 18418894128999

• 18418894128999 backwards is 99982149881481
• 18418894128999 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18418894128999's digits is 81
• More coming soon!