21042020307456

Names of 21042020307456

• Cardinal: 21042020307456 can be written as Twenty-one trillion, forty-two billion, twenty million, three hundred seven thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 2.1042020307456 × 10¹³

Factors of 21042020307456

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 257

Divisors of 21042020307456

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 128 144 152 171 192 228 233 256 288 304 342 361 384 456 466 512 576 608 684 699 722 768 912 932 1083 1152 1216 1368 1398 1444 1536 1824 1864 2097 2166 2304 2432 2736 2796 2888 3249 3648 3728 4194 4332 4427 4608 4864 5472 5592 5776 6498 7296 7456 8388 8664 8854 9728 10944 11184 11552 12996 13281 14592 14912 16776 17328 17708 21888 22368 23104 25992 26562 29184 29824 33552 34656 35416 39843 43776 44736 46208 51984 53124 54289 59648 67104 69312 70832 79686 84113 87552 89472 92416 103968 106248 108578 119296 134208 138624 141664 159372 162867 168226 178944 184832 207936 212496 217156 252339 268416 277248 283328 318744 325734 336452 357888 415872 424992 434312 488601 504678 536832 554496 566656 637488 651468 672904 757017 831744 849984 868624 977202 1009356 1031491 1073664 1133312 1274976 1302936 1345808 1514034 1663488 1699968 1737248 1954404 2018712 2062982 2266624 2549952 2605872 2691616 3028068 3094473 3399936 3474496 3908808 4037424 4125964 5099904 5211744 5383232 6056136 6188946 6799872 6948992 7817616 8074848 8251928 9283419 10199808 10423488 10766464 12112272 12377892 12649337 13897984 15635232 16149696 16503856 18566838 19598329 20399616 20846976 21532928 24224544 24755784 25298674 27795968 31270464 32299392 33007712 37133676 37948011 39196658 41693952 43065856 48449088 49511568 50597348 58794987 62540928 64598784 66015424 74267352 75896022 78393316 83387904 96898176 99023136 101194696 113844033 117589974 125081856 129197568 132030848 148534704 151792044 156786632 176384961 193796352 198046272 202389392 227688066 235179948 240337403 250163712 264061696 297069408 303584088 313573264 352769922 387592704 396092544 404778784 455376132 470359896 480674806 528123392 594138816 607168176 627146528 705539844 721012209 792185088 809557568 910752264 940719792 961349612 1188277632 1214336352 1254293056 1411079688 1442024418 1584370176 1619115136 1821504528 1881439584 1922699224 2163036627 2376555264 2428672704 2508586112 2822159376 2884048836 3238230272 3643009056 3762879168 3845398448 4326073254 4566410657 4753110528 4857345408 5017172224 5644318752 5768097672 6476460544 7286018112 7525758336 7690796896 8652146508 9132821314 9714690816 10034344448 11288637504 11536195344 13699231971 14572036224 15051516672 15381593792 17304293016 18265642628 19429381632 22577275008 23072390688 27398463942 29144072448 30103033344 30763187584 34608586032 36531285256 41097695913 45154550016 46144781376 54796927884 58288144896 61526375168 69217172064 73062570512 82195391826 90309100032 92289562752 109593855768 123052750336 138434344128 146125141024 164390783652 184579125504 219187711536 276868688256 292250282048 328781567304 369158251008 438375423072 553737376512 584500564096 657563134608 876750846144 1107474753024 1169001128192 1315126269216 1753501692288 2338002256384 2630252538432 3507003384576 5260505076864 7014006769152 10521010153728 21042020307456
• Sum of all divisors σ(n): 64369429607340
• Sum of proper divisors (its aliquot sum) s(n): 43327409299884
• 21042020307456 is an abundant number, because the sum of its proper divisors (43327409299884) is greater than itself. Its abundance is 22285388992428

Bases of 21042020307456

• Binary: 100110010001100111010001001010101001000000000₂
• Hexadecimal: 0x13233A255200
• Base-36: 7GIKJLOG0

Squares and roots of 21042020307456

• 21042020307456 squared (21042020307456²) is 442766618619390696769191936
• 21042020307456 cubed (21042020307456³) is 9316704180452844923474658167019395874816
• The square root of 21042020307456 is 4587158.1951635371
• The cube root of 21042020307456 is 27607.6312246661

Scales and comparisons

• 21,042,020,307,456 seconds is equal to 669,071 years, 8 weeks, 1 day, 16 hours, 57 minutes, 36 seconds.
• To count from 1 to 21,042,020,307,456 would take you about one million, six hundred seventy-two thousand, six hundred seventy-seven 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 21042020307456 cubic inches would be around 2300.6 feet tall.

Recreational maths with 21042020307456

• 21042020307456 backwards is 65470302024012
• 21042020307456 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21042020307456's digits is 36
• More coming soon!