20391329738304

Names of 20391329738304

• Cardinal: 20391329738304 can be written as Twenty trillion, three hundred ninety-one billion, three hundred twenty-nine million, seven hundred thirty-eight thousand, three hundred four.

Scientific notation

• Scientific notation: 2.0391329738304 × 10¹³

Factors of 20391329738304

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2694

Divisors of 20391329738304

• Number of divisors d(n): 700
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 84 96 98 108 112 126 144 147 162 168 189 192 196 216 224 252 288 294 324 336 343 378 392 432 441 448 504 567 576 588 648 672 686 756 784 864 882 941 1008 1029 1134 1176 1296 1323 1344 1372 1512 1568 1728 1741 1764 1882 2016 2058 2268 2352 2401 2592 2646 2744 2823 3024 3087 3136 3482 3528 3764 3969 4032 4116 4536 4704 4802 5184 5223 5292 5488 5646 6048 6174 6587 6964 7056 7203 7528 7938 8232 8469 9072 9261 9408 9604 10446 10584 10976 11292 12096 12187 12348 13174 13928 14112 14406 15056 15669 15876 16464 16938 18144 18522 19208 19761 20892 21168 21609 21952 22584 24374 24696 25407 26348 27783 27856 28224 28812 30112 31338 31752 32928 33876 36288 36561 37044 38416 39522 41784 42336 43218 45168 46109 47007 48748 49392 50814 52696 55566 55712 57624 59283 60224 62676 63504 64827 65856 67752 73122 74088 76221 76832 79044 83568 84672 85309 86436 90336 92218 94014 97496 98784 101628 105392 109683 111132 111424 115248 118566 125352 127008 129654 135504 138327 141021 146244 148176 152442 153664 158088 167136 170618 172872 177849 180672 184436 188028 194481 194992 197568 203256 210784 219366 222264 230496 237132 250704 254016 255927 259308 271008 276654 282042 292488 296352 304884 316176 322763 329049 334272 341236 345744 355698 368872 376056 388962 389984 406512 414981 421568 438732 444528 460992 474264 501408 511854 518616 533547 542016 553308 564084 584976 592704 597163 609768 632352 645526 658098 682472 691488 711396 737744 752112 767781 777924 779968 813024 829962 877464 889056 948528 968289 987147 1002816 1023708 1037232 1067094 1106616 1128168 1169952 1194326 1219536 1244943 1264704 1291052 1316196 1364944 1382976 1422792 1475488 1504224 1535562 1555848 1626048 1638281 1659924 1754928 1778112 1791489 1897056 1936578 1974294 2047416 2074464 2134188 2213232 2256336 2259341 2303343 2339904 2388652 2439072 2489886 2582104 2632392 2729888 2845584 2904867 2950976 3008448 3071124 3111696 3276562 3319848 3509856 3582978 3734829 3794112 3873156 3948588 4094832 4148928 4180141 4268376 4426464 4512672 4518682 4606686 4777304 4878144 4914843 4979772 5164208 5264784 5374467 5459776 5691168 5809734 6142248 6223392 6553124 6639696 6778023 6910029 7019712 7165956 7469658 7746312 7897176 8189664 8360282 8536752 8714601 8852928 9025344 9037364 9213372 9554608 9829686 9959544 10328416 10529568 10748934 11382336 11467967 11619468 12284496 12446784 12540423 13106248 13279392 13556046 13820058 14331912 14744529 14939316 15492624 15794352 16123401 16379328 16720564 17073504 17429202 18074728 18426744 19109216 19659372 19919088 20334069 20656832 21059136 21497868 22935934 23238936 24568992 25080846 26143803 26212496 26558784 27112092 27640116 28663824 29489058 29878632 30985248 31588704 32246802 33441128 34147008 34403901 34858404 36149456 36853488 37621269 38218432 39318744 39838176 40668138 42995736 44233587 45871868 46477872 48370203 49137984 50161692 52287606 52424992 54224184 55280232 57327648 58978116 59757264 61002207 61970496 63177408 64493604 66882256 68807802 69716808 72298912 73706976 75242538 78637488 79676352 80275769 81336276 85991472 88467174 91743736 92955744 96740406 100323384 103211703 104575212 104849984 108448368 110560464 112863807 114655296 117956232 119514528 122004414 128987208 132700761 133764512 137615604 139433616 144597824 147413952 150485076 157274976 160551538 162672552 171982944 176934348 183006621 183487472 185911488 193480812 200646768 206423406 209150424 216896736 221120928 225727614 235912464 239029056 240827307 244008828 257974416 265401522 267529024 275231208 278867232 300970152 309635109 314549952 321103076 325345104 338591421 343965888 353868696 366013242 366974944 386961624 401293536 412846812 418300848 433793472 442241856 451455228 471824928 481654614 488017656 515948832 530803044 550462416 557734464 561930383 601940304 619270218 642206152 650690208 677182842 707737392 722481921 732026484 733949888 773923248 802587072 825693624 836601696 902910456 928905327 943649856 963309228 976035312 1031897664 1061606088 1100924832 1123860766 1203880608 1238540436 1284412304 1301380416 1354365684 1415474784 1444963842 1464052968 1547846496 1651387248 1673203392 1685791149 1805820912 1857810654 1926618456 1952070624 2123212176 2167445763 2201849664 2247721532 2407761216 2477080872 2568824608 2708731368 2830949568 2889927684 2928105936 3095692992 3302774496 3371582298 3611641824 3715621308 3853236912 3904141248 3933512681 4246424352 4334891526 4495443064 4954161744 5057373447 5137649216 5417462736 5779855368 5856211872 6502337289 6605548992 6743164596 7223283648 7431242616 7706473824 7867025362 8492848704 8669783052 8990886128 9908323488 10114746894 10834925472 11559710736 11712423744 11800538043 13004674578 13486329192 14862485232 15172120341 15412947648 15734050724 17339566104 17981772256 19816646976 20229493788 21669850944 23119421472 23601076086 26009349156 26972658384 29724970464 30344240682 31468101448 34679132208 35401614129 35963544512 40458987576 45516361023 46238842944 47202152172 52018698312 53945316768 59449940928 60688481364 62936202896 69358264416 70803228258 80917975152 91032722046 94404304344 104037396624 106204842387 107890633536 121376962728 125872405792 138716528832 141606456516 161835950304 182065444092 188808608688 208074793248 212409684774 242753925456 251744811584 283212913032 318614527161 323671900608 364130888184 377617217376 416149586496 424819369548 485507850912 566425826064 637229054322 728261776368 755234434752 849638739096 971015701824 1132851652128 1274458108644 1456523552736 1699277478192 2265703304256 2548916217288 2913047105472 3398554956384 5097832434576 6797109912768 10195664869152 20391329738304
• Sum of all divisors σ(n): 70631959300188
• Sum of proper divisors (its aliquot sum) s(n): 50240629561884
• 20391329738304 is an abundant number, because the sum of its proper divisors (50240629561884) is greater than itself. Its abundance is 29849299823580

Bases of 20391329738304

• Binary: 100101000101110111001111101110010111001000000₂
• Hexadecimal: 0x128BB9F72E40
• Base-36: 787NB8K00

Squares and roots of 20391329738304

• 20391329738304 squared (20391329738304²) is 415806328496241077124796416
• 20391329738304 cubed (20391329738304³) is 8478843951640402621054869982222557118464
• The square root of 20391329738304 is 4515676.0001470433
• The cube root of 20391329738304 is 27320.0726034769

Scales and comparisons

• 20,391,329,738,304 seconds is equal to 648,381 years, 10 weeks, 6 days, 20 hours, 38 minutes, 24 seconds.
• To count from 1 to 20,391,329,738,304 would take you about one million, six hundred twenty thousand, nine hundred fifty-three 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 20391329738304 cubic inches would be around 2276.7 feet tall.

Recreational maths with 20391329738304

• 20391329738304 backwards is 40383792319302
• 20391329738304 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20391329738304's digits is 54
• More coming soon!