18939238425000

Names of 18939238425000

• Cardinal: 18939238425000 can be written as Eighteen trillion, nine hundred thirty-nine billion, two hundred thirty-eight million, four hundred twenty-five thousand.

Scientific notation

• Scientific notation: 1.8939238425 × 10¹³

Factors of 18939238425000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3543

Divisors of 18939238425000

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 31 36 40 45 50 54 60 62 72 75 90 93 100 108 120 124 125 135 150 155 180 186 200 216 225 248 250 270 279 281 300 310 360 372 375 450 465 500 540 558 562 600 620 625 675 744 750 775 837 843 900 930 1000 1080 1116 1124 1125 1240 1250 1350 1395 1405 1500 1550 1674 1686 1800 1860 1875 2232 2248 2250 2325 2500 2529 2700 2790 2810 3000 3100 3125 3221 3348 3372 3375 3720 3750 3875 4185 4215 4500 4650 5000 5058 5400 5580 5620 5625 6200 6250 6442 6696 6744 6750 6975 7025 7500 7587 7750 8370 8430 8711 9000 9300 9375 9663 10116 11160 11240 11250 11625 12500 12645 12884 13500 13950 14050 15000 15174 15500 16105 16740 16860 16875 17422 18600 18750 19326 19375 20232 20925 21075 22500 23250 25000 25290 25768 26133 27000 27900 28100 28125 28989 30348 31000 32210 33480 33720 33750 34844 34875 35125 37500 37935 38652 38750 41850 42150 43555 45000 46500 48315 50580 52266 55800 56200 56250 57978 58125 60696 63225 64420 67500 69688 69750 70250 75000 75870 77304 77500 78399 80525 83700 84300 84375 86967 87110 93000 96630 96875 99851 101160 104532 104625 105375 112500 115956 116250 126450 128840 130665 135000 139500 140500 144945 151740 155000 156798 161050 167400 168600 168750 173934 174220 174375 175625 189675 193260 193750 199702 209064 209250 210750 217775 225000 231912 232500 235197 241575 252900 261330 279000 281000 289890 290625 299553 303480 313596 316125 322100 337500 347868 348440 348750 351250 379350 386520 387500 391995 399404 402625 418500 421500 434835 435550 465000 470394 483150 499255 505800 522660 523125 526875 579780 581250 599106 627192 632250 644200 653325 675000 695736 697500 702500 724725 758700 775000 783990 798808 805250 837000 843000 869670 871100 871875 878125 898659 905101 940788 948375 966300 998510 1045320 1046250 1053750 1088875 1159560 1162500 1175985 1198212 1207875 1264500 1306650 1395000 1405000 1449450 1497765 1517400 1567980 1580625 1610500 1739340 1742200 1743750 1756250 1797318 1810202 1881576 1896750 1932600 1959975 1997020 2013125 2092500 2107500 2174175 2177750 2325000 2351970 2396424 2415750 2496275 2529000 2613300 2615625 2634375 2695977 2715303 2898900 2995530 3135960 3161250 3221000 3266625 3478680 3487500 3512500 3594636 3620404 3623625 3793500 3919950 3994040 4026250 4185000 4215000 4348350 4355500 4493295 4525505 4703940 4741875 4831500 4992550 5226600 5231250 5268750 5391954 5430606 5444375 5797800 5879925 5991060 6039375 6322500 6533250 6975000 7025000 7189272 7240808 7247250 7488825 7587000 7839900 7903125 8052500 8145909 8696700 8711000 8986590 9051010 9407880 9483750 9663000 9799875 9985100 10065625 10462500 10537500 10783908 10861212 10870875 10888750 11759850 11982120 12078750 12481375 12645000 13066500 13479885 13576515 14494500 14977650 15679800 15806250 16105000 16291818 16333125 17393400 17973180 18102020 18118125 18967500 19599750 19970200 20131250 20925000 21075000 21567816 21722424 21741750 21777500 22466475 22627525 23519700 23709375 24157500 24437727 24962750 26133000 26959770 27153030 27221875 28058131 28989000 29399625 29955300 30196875 31612500 32583636 32666250 35946360 36204040 36236250 37444125 37935000 39199500 40262500 40729545 43483500 43555000 44932950 45255050 47039400 47418750 48315000 48875454 48999375 49925500 53919540 54306060 54354375 54443750 56116262 58799250 59910600 60393750 62406875 63225000 65167272 65332500 67399425 67882575 72472500 74888250 78399000 80525000 81459090 81665625 84174393 86967000 89865900 90510100 90590625 94837500 97750908 97998750 99851000 107839080 108612120 108708750 108887500 112232524 112332375 113137625 117598500 120787500 122188635 124813750 130665000 134798850 135765150 140290655 144945000 146998125 149776500 162918180 163331250 168348786 179731800 181020200 181181250 187220625 189675000 195501816 195997500 203647725 217417500 217775000 224465048 224664750 226275250 235197000 241575000 244377270 244996875 249627500 252523179 269597700 271530300 271771875 280581310 293996250 299553000 312034375 325836360 326662500 336697572 336997125 339412875 362362500 374441250 391995000 407295450 420871965 434835000 449329500 452550500 488754540 489993750 499255000 505046358 539195400 543060600 543543750 561162620 561661875 565688125 587992500 610943175 624068750 653325000 673395144 673994250 678825750 701453275 724725000 734990625 748882500 757569537 814590900 841743930 898659000 905101000 936103125 977509080 979987500 1010092716 1018238625 1087087500 1122325240 1123323750 1131376250 1175985000 1221886350 1248137500 1262615895 1347988500 1357651500 1402906550 1469981250 1497765000 1515139074 1629181800 1683487860 1684985625 1697064375 1872206250 1959975000 2020185432 2036477250 2104359825 2174175000 2246647500 2262752500 2443772700 2496275000 2525231790 2695977000 2715303000 2805813100 2808309375 2828440625 2939962500 3030278148 3054715875 3366975720 3369971250 3394128750 3507266375 3744412500 3787847685 4072954500 4208719650 4493295000 4525505000 4887545400 5050463580 5091193125 5611626200 5616618750 5656881250 5879925000 6060556296 6109431750 6313079475 6739942500 6788257500 7014532750 7488825000 7575695370 8145909000 8417439300 8424928125 8485321875 10100927160 10182386250 10521799125 11233237500 11313762500 12218863500 12626158950 13479885000 13576515000 14029065500 15151390740 15273579375 16834878600 16849856250 16970643750 17536331875 18939238425 20364772500 21043598250 22466475000 22627525000 24437727000 25252317900 25455965625 28058131000 30302781480 30547158750 31565397375 33699712500 33941287500 35072663750 37878476850 40729545000 42087196500 50504635800 50911931250 52608995625 61094317500 63130794750 67399425000 67882575000 70145327500 75756953700 76367896875 84174393000 87681659375 94696192125 101823862500 105217991250 122188635000 126261589500 140290655000 151513907400 152735793750 157826986875 175363318750 189392384250 203647725000 210435982500 252523179000 263044978125 305471587500 315653973750 350726637500 378784768500 420871965000 473480960625 526089956250 610943175000 631307947500 701453275000 757569537000 789134934375 946961921250 1052179912500 1262615895000 1578269868750 1893923842500 2104359825000 2367404803125 3156539737500 3787847685000 4734809606250 6313079475000 9469619212500 18939238425000
• Sum of all divisors σ(n): 68140938700800
• Sum of proper divisors (its aliquot sum) s(n): 49201700275800
• 18939238425000 is an abundant number, because the sum of its proper divisors (49201700275800) is greater than itself. Its abundance is 30262461850800

Bases of 18939238425000

• Binary: 100010011100110100010100101000010000110101000₂
• Hexadecimal: 0x1139A29421A8
• Base-36: 6POKDK7U0

Squares and roots of 18939238425000

• 18939238425000 squared (18939238425000²) is 358694752118996480625000000
• 18939238425000 cubed (18939238425000³) is 6793405432177948318292768015625000000000
• The square root of 18939238425000 is 4351923.5316121997
• The cube root of 18939238425000 is 26655.5411484985

Scales and comparisons

• 18,939,238,425,000 seconds is equal to 602,209 years, 10 weeks, 2 days, 10 hours, 30 minutes.
• To count from 1 to 18,939,238,425,000 would take you about one million, five hundred five thousand, five hundred twenty-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 18939238425000 cubic inches would be around 2221.3 feet tall.

Recreational maths with 18939238425000

• 18939238425000 backwards is 00052483293981
• 18939238425000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18939238425000's digits is 54
• More coming soon!