18389620469220

Names of 18389620469220

• Cardinal: 18389620469220 can be written as Eighteen trillion, three hundred eighty-nine billion, six hundred twenty million, four hundred sixty-nine thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.838962046922 × 10¹³

Factors of 18389620469220

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 19890

Divisors of 18389620469220

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 10 11 12 13 14 15 20 21 22 26 28 30 33 35 39 42 44 52 55 60 61 65 66 70 77 78 84 91 105 110 122 130 132 140 143 154 156 165 182 183 195 210 220 231 244 257 260 273 286 305 308 330 364 366 385 390 420 427 429 455 462 514 546 572 610 660 671 715 732 770 771 780 793 854 858 910 915 924 1001 1028 1092 1155 1220 1281 1285 1342 1365 1430 1540 1542 1586 1708 1716 1799 1820 1830 2002 2013 2135 2145 2310 2379 2562 2570 2684 2730 2827 2860 3003 3084 3172 3341 3355 3598 3660 3855 3965 4004 4026 4270 4290 4620 4697 4758 5005 5124 5140 5397 5460 5551 5654 6006 6405 6682 6710 7196 7710 7930 8052 8481 8540 8580 8723 8995 9394 9516 10010 10023 10065 10794 11102 11308 11895 12012 12810 13364 13420 14091 14135 15015 15420 15677 15860 16653 16705 16962 17446 17990 18788 19531 19789 20020 20046 20130 21588 22204 23387 23485 23790 25620 26169 26985 27755 28182 28270 30030 31354 33306 33410 33924 34892 35980 36751 39062 39578 40092 40260 42405 43615 46774 46970 47031 47580 50115 52338 53970 55510 56364 56540 58593 59367 60060 61061 62708 66612 66820 70161 70455 73502 78124 78385 79156 83265 84810 87230 93548 93940 94062 97655 98945 100230 104676 107940 109739 110253 111020 116935 117186 118734 122122 130845 136717 140322 140910 147004 156770 166530 169620 172447 174460 183183 183755 188124 195310 197890 200460 203801 214841 219478 220506 233870 234372 235155 237468 244244 253903 257257 261690 273434 280644 281820 292965 296835 305305 313540 329217 333060 344894 350805 366366 367510 390620 395780 407602 410151 429682 438956 441012 467740 470310 507806 514514 517341 523380 546868 548695 551265 585930 593670 610610 611403 644523 658434 683585 689788 701610 732732 735020 761709 771771 815204 820302 859364 862235 915915 940620 1015612 1019005 1029028 1034682 1074205 1097390 1102530 1171860 1187340 1191391 1207129 1221220 1222806 1269515 1286285 1289046 1316868 1367170 1403220 1426607 1503887 1523418 1543542 1640604 1646085 1724470 1777321 1831830 2038010 2050755 2069364 2148410 2194780 2205060 2241811 2382782 2414258 2445612 2539030 2572570 2578092 2586705 2734340 2792933 2853214 3007774 3046836 3057015 3087084 3222615 3292170 3448940 3554642 3574173 3621387 3663660 3808545 3858855 4076020 4101510 4279821 4296820 4483622 4511661 4765564 4828516 5019467 5078060 5145140 5173410 5331963 5585866 5706428 5956955 6015548 6035645 6114030 6445230 6584340 6725433 7109284 7133035 7148346 7242774 7519435 7617090 7717710 8203020 8339737 8378799 8559642 8886605 8967244 9023322 10038934 10346820 10663926 11171732 11209055 11913910 12071290 12228060 12890460 13105301 13450866 13964665 14266070 14296692 14485548 15038870 15058401 15234180 15435420 15488083 15692677 16679474 16757598 17119284 17773210 17870865 18046644 18106935 19550531 20077868 21327852 21399105 22418110 22558305 23827820 24142580 25019211 25097335 26210602 26659815 26901732 27929330 28532140 30077740 30116802 30976166 31385354 33358948 33515196 33627165 35136269 35546420 35741730 36213870 39101062 39315903 41698685 41893995 42798210 44836220 45116610 46464249 47078031 50038422 50194670 52421204 53319630 55214137 55858660 58651593 60233604 61952332 62770708 65253071 65526505 67254330 70272538 71483460 72427740 75292005 77440415 78202124 78463385 78631806 83397370 83787990 85596420 90233220 91737107 92928498 94156062 97752655 100076844 100389340 105408807 106639260 108416581 110428274 117303186 125096055 130506142 131053010 134508660 140545076 150584010 154880830 156926770 157263612 165642411 166794740 167575980 170368913 175681345 183474214 185856996 188312124 195505310 195759213 196579515 210817614 216833162 220856548 232321245 234606372 235390155 250192110 261012284 262106020 275211321 276070685 293257965 301168020 306187487 309761660 313853540 325249743 326265355 331284822 340737826 351362690 366948428 386498959 391010620 391518426 393159030 421635228 433666324 456771497 458685535 464642490 470780310 500384220 511106739 527044035 542082905 550422642 552141370 586515930 612374974 650499486 652530710 662569644 681475652 702725380 717783781 772997918 783036852 786318060 828212055 851844565 913542994 917371070 918562461 929284980 941560620 978796065 1022213478 1054088070 1084165810 1100845284 1104282740 1159496877 1173031860 1192582391 1224749948 1300998972 1305061420 1370314491 1376056605 1435567562 1530937435 1545995836 1626248715 1656424110 1703689130 1827085988 1834742140 1837124922 1932494795 1957592130 2044426956 2108176140 2143312409 2153351343 2168331620 2283857485 2318993754 2385164782 2555533695 2740628982 2752113210 2871135124 3061874870 3252497430 3312848220 3368062357 3407378260 3577747173 3588918905 3674249844 3864989590 3915184260 3980437331 4286624818 4306702686 4567714970 4592812305 4637987508 4770329564 5024486467 5111067390 5481257964 5504226420 5797484385 5962911955 6123749740 6429937227 6504994860 6736124714 6851572455 7155494346 7177837810 7729979180 7960874662 8573249636 8613405372 9135429940 9185624610 10048972934 10104187071 10222134780 10716562045 10766756715 11594968770 11925823910 11941311993 12859874454 13472249428 13703144910 14310988692 14355675620 15073459401 15921749324 16840311785 17888735865 18371249220 19902186655 20097945868 20208374142 21433124090 21533513430 23189937540 23576436499 23851647820 23882623986 25122432335 25719748908 27406289820 27863061317 30146918802 32149686135 33680623570 35777471730 39804373310 40416748284 42866248180 43067026860 43784810641 47152872998 47765247972 50244864670 50520935355 55726122634 59706559965 60293837604 64299372270 67361247140 70729309497 71554943460 75367297005 79608746620 83589183951 87569621282 94305745996 100489729340 101041870710 111452245268 117882182495 119413119930 128598744540 131354431923 139315306585 141458618994 150734594010 167178367902 175139242564 202083741420 218924053205 235764364990 238826239860 262708863846 278630613170 282917237988 301469188020 306493674487 334356735804 353646547485 417945919755 437848106410 471528729980 525417727692 557261226340 612987348974 656772159615 707293094970 835891839510 875696212820 919481023461 1225974697948 1313544319230 1414586189940 1532468372435 1671783679020 1838962046922 2627088638460 3064936744870 3677924093844 4597405117305 6129873489740 9194810234610 18389620469220
• Sum of all divisors σ(n): 70545068826624
• Sum of proper divisors (its aliquot sum) s(n): 52155448357404
• 18389620469220 is an abundant number, because the sum of its proper divisors (52155448357404) is greater than itself. Its abundance is 33765827888184

Bases of 18389620469220

• Binary: 100001011100110101010110010111010110111100100₂
• Hexadecimal: 0x10B9AACBADE4
• Base-36: 6IO2P7YZO

Squares and roots of 18389620469220

• 18389620469220 squared (18389620469220²) is 338178141001955212967408400
• 18389620469220 cubed (18389620469220³) is 6218967664012322944427137889375369448000
• The square root of 18389620469220 is 4288312.0769388973
• The cube root of 18389620469220 is 26395.1573557535

Scales and comparisons

• 18,389,620,469,220 seconds is equal to 584,733 years, 2 weeks, 3 days, 12 hours, 7 minutes.
• To count from 1 to 18,389,620,469,220 would take you about one million, four hundred sixty-one thousand, eight hundred thirty-two 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 18389620469220 cubic inches would be around 2199.6 feet tall.

Recreational maths with 18389620469220

• 18389620469220 backwards is 02296402698381
• 18389620469220 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18389620469220's digits is 60
• More coming soon!