20390742687744

Names of 20390742687744

• Cardinal: 20390742687744 can be written as Twenty trillion, three hundred ninety billion, seven hundred forty-two million, six hundred eighty-seven thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 2.0390742687744 × 10¹³

Factors of 20390742687744

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 2890

Divisors of 20390742687744

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 32 33 36 39 44 48 52 64 66 72 78 88 96 99 104 117 128 132 143 144 156 169 176 192 198 208 234 256 264 286 288 312 338 352 384 396 416 429 468 507 512 528 572 576 624 676 704 768 792 832 858 936 1014 1024 1056 1144 1152 1248 1287 1352 1408 1521 1536 1584 1664 1716 1859 1872 2028 2048 2112 2197 2288 2304 2496 2574 2704 2816 2861 3042 3072 3168 3328 3432 3718 3744 4056 4096 4224 4394 4576 4608 4992 5148 5408 5577 5632 5722 6084 6144 6336 6591 6656 6864 7436 7488 8112 8192 8448 8583 8788 9152 9216 9984 10296 10816 11154 11264 11444 12168 12288 12672 13182 13312 13728 14872 14976 16224 16384 16731 16896 17166 17576 18304 18432 19773 19968 20592 21632 22308 22528 22888 24167 24336 24576 25344 25749 26364 26624 27456 29744 29952 31471 32448 32768 33462 33792 34332 35152 36608 36864 37193 39546 39936 41184 43264 44616 45056 45776 48334 48672 49152 50688 51498 52728 53248 54912 59488 59904 62942 64896 66924 67584 68664 70304 72501 73216 73728 74386 79092 79872 82368 86528 89232 90112 91552 94413 96668 97344 98304 101376 102996 105456 106496 109824 111579 118976 119808 125884 129792 133848 135168 137328 140608 145002 146432 147456 148772 158184 159744 164736 173056 178464 180224 183104 188826 193336 194688 202752 205992 210912 212992 217503 219648 223158 237952 239616 251768 259584 267696 270336 274656 281216 283239 290004 292864 294912 297544 316368 319488 329472 334737 346112 356928 360448 366208 377652 386672 389376 405504 409123 411984 421824 425984 435006 439296 446316 475904 479232 483509 503536 519168 535392 540672 549312 562432 566478 580008 585728 595088 632736 638976 658944 669474 692224 713856 732416 755304 773344 778752 811008 818246 823968 843648 870012 878592 892632 951808 958464 967018 1007072 1038336 1070784 1081344 1098624 1124864 1132956 1160016 1171456 1190176 1227369 1265472 1277952 1317888 1338948 1384448 1427712 1450527 1464832 1510608 1546688 1557504 1622016 1636492 1647936 1687296 1740024 1757184 1785264 1903616 1916928 1934036 2014144 2076672 2141568 2197248 2249728 2265912 2320032 2342912 2380352 2454738 2530944 2635776 2677896 2768896 2855424 2901054 2929664 3021216 3093376 3115008 3244032 3272984 3295872 3374592 3480048 3514368 3570528 3682107 3807232 3833856 3868072 4028288 4153344 4283136 4351581 4394496 4499456 4531824 4640064 4685824 4760704 4909476 5061888 5271552 5318599 5355792 5537792 5710848 5802108 5859328 6042432 6186752 6230016 6285617 6545968 6591744 6749184 6960096 7028736 7141056 7364214 7614464 7736144 8056576 8306688 8566272 8703162 8788992 8998912 9063648 9280128 9521408 9818952 10123776 10543104 10637198 10711584 11421696 11604216 11718656 12084864 12373504 12460032 12571234 13091936 13183488 13498368 13920192 14057472 14282112 14728428 15228928 15472288 15955797 16113152 16613376 17132544 17406324 17577984 17997824 18127296 18560256 18856851 19042816 19637904 20247552 21086208 21274396 21423168 22843392 23208432 23437312 24169728 24747008 24920064 25142468 26183872 26366976 26996736 27840384 28564224 29456856 30457856 30944576 31911594 32226304 34265088 34812648 35155968 35995648 36254592 37120512 37713702 38085632 39275808 40495104 42172416 42548792 42846336 45686784 46416864 46874624 47867391 48339456 49494016 49840128 50284936 52367744 52733952 53993472 55680768 56570553 57128448 58913712 60915712 61889152 63823188 64452608 68530176 69141787 69625296 70311936 71991296 72509184 74241024 75427404 76171264 78551616 80990208 85097584 85692672 91373568 92833728 93749248 95734782 96678912 98988032 100569872 104735488 105467904 107986944 111361536 113141106 114256896 117827424 123778304 127646376 128905216 137060352 138283574 139250592 140623872 145018368 148482048 150854808 152342528 157103232 161980416 170195168 171385344 182747136 185667456 191469564 193357824 197976064 201139744 207425361 209470976 210935808 215973888 222723072 226282212 228513792 235654848 247556608 255292752 257810432 274120704 276567148 278501184 281247744 290036736 296964096 301709616 304685056 314206464 323960832 340390336 342770688 371334912 382939128 386715648 395952128 402279488 414850722 418941952 421871616 445446144 452564424 457027584 471309696 495113216 510585504 515620864 548241408 553134296 557002368 580073472 593928192 603419232 609370112 622276083 628412928 647921664 680780672 685541376 742669824 765878256 773431296 791904256 804558976 829701444 837883904 843743232 890892288 905128848 914055168 942619392 990226432 1021171008 1031241728 1106268592 1114004736 1160146944 1187856384 1206838464 1218740224 1244552166 1256825856 1361561344 1371082752 1485339648 1531756512 1546862592 1609117952 1659402888 1675767808 1781784576 1810257696 1828110336 1885238784 1980452864 2042342016 2212537184 2228009472 2320293888 2375712768 2413676928 2489104332 2513651712 2723122688 2742165504 2970679296 3063513024 3093725184 3218235904 3318805776 3351535616 3563569152 3620515392 3656220672 3770477568 3960905728 4084684032 4425074368 4456018944 4640587776 4827353856 4978208664 5027303424 5446245376 5484331008 5941358592 6127026048 6436471808 6637611552 6703071232 7127138304 7241030784 7540955136 7921811456 8169368064 8850148736 8912037888 9281175552 9654707712 9956417328 10054606848 10892490752 10968662016 11882717184 12254052096 12872943616 13275223104 13406142464 14482061568 15081910272 15843622912 16338736128 17700297472 17824075776 19309415424 19912834656 20109213696 21784981504 23765434368 24508104192 25745887232 26550446208 28964123136 30163820544 32677472256 35400594944 35648151552 38618830848 39825669312 40218427392 43569963008 47530868736 49016208384 51491774464 53100892416 57928246272 60327641088 65354944512 70801189888 71296303104 77237661696 79651338624 87139926016 98032416768 102983548928 106201784832 115856492544 120655282176 130709889024 141602379776 142592606208 154475323392 159302677248 174279852032 196064833536 205967097856 212403569664 231712985088 261419778048 283204759552 308950646784 318605354496 392129667072 424807139328 463425970176 522839556096 566409519104 617901293568 637210708992 784259334144 849614278656 926851940352 1132819038208 1274421417984 1568518668288 1699228557312 1853703880704 2265638076416 2548842835968 3398457114624 5097685671936 6796914229248 10195371343872 20390742687744
• Sum of all divisors σ(n): 69637711197600
• Sum of proper divisors (its aliquot sum) s(n): 49246968509856
• 20390742687744 is an abundant number, because the sum of its proper divisors (49246968509856) is greater than itself. Its abundance is 28856225822112

Bases of 20390742687744

• Binary: 100101000101110010110111110011000000000000000₂
• Hexadecimal: 0x128B96F98000
• Base-36: 787DLQ0W0

Squares and roots of 20390742687744

• 20390742687744 squared (20390742687744²) is 415782387357785405087809536
• 20390742687744 cubed (20390742687744³) is 8478111674708506097503777230426193526784
• The square root of 20390742687744 is 4515610.9982752057
• The cube root of 20390742687744 is 27319.8104263973

Scales and comparisons

• 20,390,742,687,744 seconds is equal to 648,362 years, 28 weeks, 2 days, 7 hours, 2 minutes, 24 seconds.
• To count from 1 to 20,390,742,687,744 would take you about one million, six hundred twenty thousand, nine hundred six 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 20390742687744 cubic inches would be around 2276.7 feet tall.

Recreational maths with 20390742687744

• 20390742687744 backwards is 44778624709302
• The number of decimal digits it has is: 14
• The sum of 20390742687744's digits is 63
• More coming soon!