18998472121650

Names of 18998472121650

• Cardinal: 18998472121650 can be written as Eighteen trillion, nine hundred ninety-eight billion, four hundred seventy-two million, one hundred twenty-one thousand, six hundred fifty.

Scientific notation

• Scientific notation: 1.899847212165 × 10¹³

Factors of 18998472121650

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1838

Divisors of 18998472121650

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 19 21 25 30 35 38 42 45 49 50 57 61 63 70 75 90 95 98 105 114 122 126 133 147 150 171 175 183 190 210 225 245 266 285 294 305 315 342 343 350 366 399 427 441 450 475 490 525 549 570 610 630 665 686 735 798 854 855 882 915 931 950 1029 1050 1098 1159 1197 1225 1281 1330 1425 1470 1525 1575 1710 1715 1741 1830 1862 1995 2058 2135 2205 2318 2394 2450 2562 2745 2793 2850 2989 3050 3087 3150 3325 3430 3477 3482 3675 3721 3843 3990 4270 4275 4410 4575 4655 5145 5223 5490 5586 5795 5978 5985 6174 6405 6517 6650 6954 7350 7442 7686 8113 8379 8550 8575 8705 8967 9150 9310 9975 10290 10431 10446 10675 11025 11163 11590 11970 12187 12810 13034 13725 13965 14945 15435 15669 16226 16758 17150 17385 17410 17934 18605 19215 19551 19950 20862 20923 21350 22050 22326 23275 24339 24374 25725 26047 26115 26901 27450 27930 28975 29890 29925 30870 31338 32025 32585 33079 33489 34770 36561 37210 38430 39102 40565 41846 41895 43525 44835 46550 48678 51450 52094 52155 52230 53802 55815 56791 57950 58653 59850 60935 62769 64050 65170 66158 66978 69825 70699 73017 73122 74725 77175 78141 78345 81130 83790 85309 86925 87050 89670 93025 96075 97755 99237 104310 104615 106201 109683 111630 113582 117306 121695 121870 125538 130235 130575 134505 139650 141398 146034 149450 154350 156282 156690 162925 165395 167445 170373 170618 173850 182329 182805 186050 188307 192150 195510 198474 202825 209230 209475 212097 212402 219366 224175 231553 234423 243390 255927 260470 260775 261150 269010 279075 283955 293265 297711 304675 313845 318603 325850 330790 334890 340746 353495 364658 365085 365610 376614 390705 391725 397537 405650 418950 424194 426545 448350 463106 468846 488775 494893 496185 511119 511854 521550 523075 531005 546987 548415 558150 567910 586530 595422 597163 608475 609350 627690 636291 637206 651175 672525 694659 706990 730170 743407 767781 781410 783450 795074 826975 837225 851865 853090 911645 914025 941535 955809 977550 989786 992370 1022238 1046150 1060485 1062010 1093974 1096830 1157765 1172115 1192611 1194326 1216950 1272582 1276303 1279635 1302350 1345050 1389318 1419775 1466325 1484679 1486814 1488555 1535562 1569225 1593015 1620871 1640961 1653950 1674450 1703730 1767475 1791489 1823290 1825425 1828050 1883070 1911618 1953525 1987685 2017819 2083977 2120970 2132725 2230221 2315530 2344230 2385222 2474465 2480925 2552606 2555595 2559270 2655025 2734935 2742075 2839550 2932650 2969358 2977110 2985815 3138450 3181455 3186030 3241742 3281922 3464251 3473295 3534950 3577833 3582978 3650850 3717035 3828909 3838905 3907050 3975370 4035638 4167954 4259325 4265450 4454037 4460442 4558225 4707675 4779045 4862613 4948930 4961850 5111190 5203849 5302425 5310050 5374467 5469870 5484150 5788825 5860575 5963055 5971630 6053457 6362910 6381515 6398175 6478261 6690663 6928502 6946590 7155666 7423395 7434070 7442775 7657818 7677810 7965075 8104355 8204805 8518650 8908074 8957445 9116450 9415350 9558090 9725226 9938425 10089095 10392753 10407698 10419885 10604850 10748934 11151105 11346097 11486727 11577650 11721150 11926110 12106914 12372325 12763030 12777975 12796350 12956522 13381326 13674675 14124733 14587839 14846790 14885550 14929075 15611547 15907275 15930150 16208710 16409610 17321255 17366475 17889165 17914890 18160371 18585175 19144545 19194525 19434783 19876850 20178190 20785506 20839770 22270185 22302210 22692194 22973454 23895225 24249757 24313065 24744650 25555950 26019245 26872335 27349350 28249466 29175678 29815275 29858150 30267285 31178259 31223094 31814550 31907575 32391305 33453315 34038291 34642510 34732950 35778330 36320742 36426943 37116975 37170350 38289090 38389050 38869566 40521775 41024025 42374199 44540370 44787225 45347827 46834641 47790450 48499514 48626130 50445475 51963765 52038490 52099425 53744670 55755525 56730485 57433635 58304349 59630550 60534570 62356518 63815150 64782610 66906630 68076582 70623665 72749271 72853886 72939195 74233950 78057735 81043550 82048050 84748398 86606275 89445825 89574450 90695654 90801855 93669282 95722725 97173915 98873131 100890950 102114873 103927530 104198850 109280829 111350925 111511050 113460970 114867270 116608698 121248785 121565325 123086959 127122597 130096225 134361675 136043481 141247330 145498542 145878390 151336425 155891295 156115470 161956525 167266575 170191455 173212550 178891650 181603710 182134715 191445450 194347830 197746262 204229746 211870995 218247813 218561658 222701850 226739135 234173205 242497570 243130650 246173918 254245194 259818825 260192450 268723350 272086962 283652425 287168175 291521745 296619393 302672850 311782590 317434789 323913050 327842487 334533150 340382910 353118325 363746355 364269430 364695975 369260877 390288675 408130443 423741990 436495626 453478270 454009275 468346410 485869575 494365655 510574365 519637650 546404145 567304850 574336350 583043490 593238786 606243925 615434795 634869578 635612985 655684974 680217405 692111917 706236650 727492710 729391950 738521754 779456475 780577350 816260886 850957275 861608713 889858179 908018550 910673575 952304367 971739150 988731310 1021148730 1059354975 1091239065 1092808290 1107782631 1133695675 1170866025 1212487850 1230869590 1271225970 1360434810 1384223834 1457608725 1483096965 1558912950 1587173945 1639212435 1701914550 1723217426 1779716358 1818731775 1821347150 1846304385 1904608734 2040652215 2076335751 2118709950 2182478130 2215565262 2222043523 2267391350 2341732050 2471828275 2552871825 2584826139 2732020725 2856913101 2915217450 2966193930 3077173975 3174347890 3178064925 3278424870 3401087025 3460559585 3637463550 3692608770 4081304430 4152671502 4308043565 4444087046 4449290895 4761521835 4943656550 5105743650 5169652278 5456195325 5464041450 5538913155 5713826202 6031260991 6154347950 6229007253 6356129850 6666130569 6802174050 6921119170 7415484825 7754478417 7935869725 8196062175 8616087130 8898581790 9231521925 9523043670 10203261075 10381678755 10912390650 11077826310 11110217615 12062521982 12458014506 12924130695 13332261138 14284565505 14830969650 15508956834 15871739450 16392124350 17302797925 18093782973 18463043850 19998391707 20406522150 20763357510 21540217825 22220435230 22246454475 23807609175 25848261390 27694565775 28569131010 30156304955 31145036265 33330652845 34605595850 36187565946 38772392085 39996783414 42218826937 43080435650 44492908950 47615218350 51908393775 54281348919 55389131550 55551088075 60312609910 62290072530 64620653475 66661305690 71422827525 77544784170 84437653874 90468914865 99991958535 103816787550 108562697838 111102176150 126656480811 129241306950 142845655050 150781524775 155725181325 166653264225 180937829730 193861960425 199983917070 211094134685 253312961622 271406744595 301563049550 311450362650 333306528450 379969442433 387723920850 422188269370 452344574325 499959792675 542813489190 633282404055 759938884866 904689148650 999919585350 1055470673425 1266564808110 1357033722975 1899847212165 2110941346850 2714067445950 3166412020275 3799694424330 6332824040550 9499236060825 18998472121650
• Sum of all divisors σ(n): 63738344592000
• Sum of proper divisors (its aliquot sum) s(n): 44739872470350
• 18998472121650 is an abundant number, because the sum of its proper divisors (44739872470350) is greater than itself. Its abundance is 25741400348700

Bases of 18998472121650

• Binary: 100010100011101101101001011101001110100110010₂
• Hexadecimal: 0x11476D2E9D32
• Base-36: 6QFRZRWOI

Squares and roots of 18998472121650

• 18998472121650 squared (18998472121650²) is 360941942957112252398722500
• 18998472121650 cubed (18998472121650³) is 6857345440804881688786767756324592125000
• The square root of 18998472121650 is 4358723.6803507055
• The cube root of 18998472121650 is 26683.3012060973

Scales and comparisons

• 18,998,472,121,650 seconds is equal to 604,092 years, 33 weeks, 4 days, 15 hours, 7 minutes, 30 seconds.
• To count from 1 to 18,998,472,121,650 would take you about one million, five hundred ten thousand, two hundred thirty-one 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 18998472121650 cubic inches would be around 2223.6 feet tall.

Recreational maths with 18998472121650

• 18998472121650 backwards is 05612127489981
• 18998472121650 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18998472121650's digits is 63
• More coming soon!