20421799968768

Names of 20421799968768

• Cardinal: 20421799968768 can be written as Twenty trillion, four hundred twenty-one billion, seven hundred ninety-nine million, nine hundred sixty-eight thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0421799968768 × 10¹³

Factors of 20421799968768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 64

Divisors of 20421799968768

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 17 22 24 31 32 33 34 44 48 51 62 64 66 68 88 93 96 102 124 128 132 136 176 186 187 192 204 248 256 264 272 289 341 352 372 374 384 408 496 512 527 528 544 561 578 682 704 744 748 768 816 867 961 992 1023 1024 1054 1056 1088 1122 1156 1364 1408 1488 1496 1536 1581 1632 1734 1922 1984 2046 2048 2108 2112 2176 2244 2312 2728 2816 2883 2976 2992 3072 3162 3179 3264 3468 3844 3968 4092 4096 4216 4224 4352 4488 4624 4913 5456 5632 5766 5797 5952 5984 6144 6324 6358 6528 6936 7688 7936 8184 8192 8432 8448 8704 8959 8976 9248 9537 9826 10571 10912 11264 11532 11594 11904 11968 12288 12648 12716 13056 13872 14739 15376 15872 16337 16368 16384 16864 16896 17391 17408 17918 17952 18496 19074 19652 21142 21824 22528 23064 23188 23808 23936 24576 25296 25432 26112 26877 27744 29478 30752 31713 31744 32674 32736 32768 33728 33792 34782 34816 35836 35904 36992 38148 39304 42284 43648 45056 46128 46376 47616 47872 49011 49152 50592 50864 52224 53754 54043 55488 58956 61504 63426 63488 65348 65472 65536 67456 67584 69564 69632 71672 71808 73984 76296 78608 84568 87296 90112 92256 92752 95232 95744 98022 98304 98549 101184 101728 104448 107508 108086 110976 117912 123008 126852 126976 130696 130944 131072 134912 135168 139128 139264 143344 143616 147968 152303 152592 157216 162129 169136 174592 179707 180224 184512 185504 190464 191488 196044 196608 197098 202368 203456 208896 215016 216172 221952 235824 246016 253704 253952 261392 261888 269824 270336 277729 278256 278528 286688 287232 295647 295936 304606 305184 314432 324258 338272 349184 359414 360448 369024 371008 380928 382976 392088 393216 394196 404736 406912 417792 430032 432344 443904 456909 471648 492032 507408 507904 522784 523776 539121 539648 540672 555458 556512 557056 573376 574464 591294 591872 609212 610368 628864 648516 676544 698368 718828 720896 738048 742016 761856 765952 784176 788392 809472 813824 833187 835584 860064 864688 887808 913818 943296 984064 1014816 1015808 1045568 1047552 1078242 1079296 1081344 1110916 1113024 1114112 1146752 1148928 1182588 1183744 1218424 1220736 1257728 1297032 1353088 1396736 1437656 1441792 1476096 1484032 1523712 1531904 1568352 1576784 1618944 1627648 1666374 1671168 1675333 1720128 1729376 1775616 1827636 1886592 1968128 2029632 2031616 2091136 2095104 2156484 2158592 2162688 2221832 2226048 2228224 2293504 2297856 2365176 2367488 2436848 2441472 2515456 2594064 2706176 2793472 2875312 2952192 2968064 3047424 3055019 3063808 3136704 3153568 3237888 3255296 3332748 3342336 3350666 3440256 3458752 3551232 3655272 3773184 3936256 4059264 4063232 4182272 4190208 4312968 4317184 4325376 4443664 4452096 4587008 4595712 4721393 4730352 4734976 4873696 4882944 5025999 5030912 5188128 5412352 5586944 5750624 5904384 5936128 6094848 6110038 6127616 6273408 6307136 6475776 6510592 6665496 6684672 6701332 6880512 6917504 7102464 7310544 7546368 7872512 8118528 8364544 8380416 8625936 8634368 8887328 8904192 9165057 9174016 9191424 9442786 9460704 9469952 9747392 9765888 10051998 10061824 10376256 10824704 11173888 11501248 11808768 11872256 12189696 12220076 12255232 12546816 12614272 12951552 13021184 13330992 13402664 13761024 13835008 14164179 14204928 14621088 15092736 15745024 16237056 16729088 16760832 17251872 17268736 17774656 17808384 18330114 18348032 18382848 18885572 18921408 18939904 19494784 19531776 20103996 20123648 20752512 21649408 22347776 23002496 23617536 23744512 24440152 24510464 25093632 25228544 25903104 26042368 26661984 26805328 27522048 27670016 28328358 28409856 29242176 30185472 31490048 32474112 33458176 33521664 34503744 34537472 35549312 35616768 36660228 36696064 36765696 37771144 37842816 37879808 38989568 39063552 40207992 40247296 41505024 43298816 44695552 46004992 47235072 47489024 48880304 50187264 50457088 51806208 51935323 52084736 53323968 53610656 55044096 55340032 56656716 56819712 58484352 60370944 62980096 64948224 66916352 67043328 69007488 69074944 71098624 71233536 73320456 73392128 73531392 75542288 75685632 77979136 78127104 80415984 80494592 83010048 86597632 92009984 94470144 94978048 97760608 100374528 100914176 103612416 103870646 104169472 106647936 107221312 110088192 110680064 113313432 113639424 116968704 120741888 125960192 129896448 133832704 134086656 138014976 142197248 142467072 146640912 146784256 151084576 151371264 155805969 155958272 156254208 160831968 160989184 166020096 173195264 184019968 188940288 189956096 195521216 200749056 201828352 207224832 207741292 208338944 213295872 214442624 220176384 221360128 226626864 233937408 241483776 259792896 267665408 276029952 284394496 284934144 293281824 293568512 302169152 302742528 311611938 311916544 312508416 321663936 321978368 332040192 346390528 368039936 377880576 379912192 391042432 401498112 403656704 415482584 416677888 426591744 428885248 440352768 442720256 453253728 467874816 482967552 519585792 535330816 552059904 568788992 569868288 586563648 587137024 604338304 605485056 623223876 623833088 625016832 643327872 643956736 664080384 692781056 736079872 759824384 782084864 802996224 807313408 830965168 853183488 857770496 880705536 885440512 906507456 935749632 965935104 1039171584 1070661632 1104119808 1137577984 1139736576 1173127296 1174274048 1208676608 1210970112 1246447752 1247666176 1250033664 1286655744 1328160768 1385562112 1472159744 1564169728 1605992448 1614626816 1661930336 1706366976 1715540992 1761411072 1770881024 1813014912 1871499264 1931870208 2078343168 2141323264 2208239616 2275155968 2279473152 2346254592 2417353216 2421940224 2492895504 2495332352 2573311488 2656321536 2944319488 3128339456 3211984896 3229253632 3323860672 3412733952 3431081984 3522822144 3541762048 3626029824 3742998528 4156686336 4416479232 4550311936 4692509184 4834706432 4843880448 4985791008 4990664704 5146622976 5312643072 5888638976 6256678912 6423969792 6458507264 6647721344 6825467904 6862163968 7083524096 7252059648 7485997056 8832958464 9100623872 9385018368 9669412864 9687760896 9971582016 9981329408 10293245952 10625286144 11777277952 12513357824 12917014528 13295442688 13650935808 13724327936 14504119296 14971994112 17665916928 18201247744 18770036736 19338825728 19375521792 19943164032 19962658816 20586491904 21250572288 23554555904 25026715648 26590885376 27301871616 27448655872 29008238592 29943988224 35331833856 36402495488 37540073472 38677651456 38751043584 39886328064 41172983808 50053431296 53181770752 54603743232 54897311744 58016477184 59887976448 70663667712 75080146944 77355302912 79772656128 82345967616 100106862592 106363541504 109207486464 109794623488 116032954368 150160293888 154710605824 159545312256 164691935232 200213725184 212727083008 219589246976 232065908736 300320587776 309421211648 319090624512 329383870464 400427450368 425454166016 464131817472 600641175552 618842423296 638181249024 658767740928 850908332032 928263634944 1201282351104 1276362498048 1701816664064 1856527269888 2552724996096 3403633328128 5105449992192 6807266656256 10210899984384 20421799968768
• Sum of all divisors σ(n): 65222772229440
• Sum of proper divisors (its aliquot sum) s(n): 44800972260672
• 20421799968768 is an abundant number, because the sum of its proper divisors (44800972260672) is greater than itself. Its abundance is 24379172291904

Bases of 20421799968768

• Binary: 100101001001011010010001000100000000000000000₂
• Hexadecimal: 0x1292D2220000
• Base-36: 78LN8FCAO

Squares and roots of 20421799968768

• 20421799968768 squared (20421799968768²) is 417049913964372685775437824
• 20421799968768 cubed (20421799968768³) is 8516909919972323201433548432024725880832
• The square root of 20421799968768 is 4519048.5689764389
• The cube root of 20421799968768 is 27333.6737210029

Scales and comparisons

• 20,421,799,968,768 seconds is equal to 649,350 years, 3 weeks, 4 days, 13 hours, 32 minutes, 48 seconds.
• To count from 1 to 20,421,799,968,768 would take you about one million, six hundred twenty-three thousand, three hundred seventy-five 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 20421799968768 cubic inches would be around 2277.8 feet tall.

Recreational maths with 20421799968768

• 20421799968768 backwards is 86786999712402
• The number of decimal digits it has is: 14
• The sum of 20421799968768's digits is 78
• More coming soon!