21261353790816

Names of 21261353790816

• Cardinal: 21261353790816 can be written as Twenty-one trillion, two hundred sixty-one billion, three hundred fifty-three million, seven hundred ninety thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.1261353790816 × 10¹³

Factors of 21261353790816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 156

Divisors of 21261353790816

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 61 68 72 73 96 102 108 122 136 144 146 153 183 204 216 219 244 272 288 292 306 366 408 432 438 459 488 544 549 584 612 657 732 816 864 876 918 976 1037 1098 1168 1224 1241 1314 1464 1632 1647 1752 1836 1952 1971 2074 2196 2336 2448 2482 2628 2928 3111 3294 3504 3672 3721 3723 3942 4148 4392 4453 4896 4964 5256 5329 5856 6222 6588 7008 7344 7442 7446 7884 8296 8784 8906 9333 9928 10512 10658 11163 11169 12444 13176 13359 14688 14884 14892 15768 15987 16592 17568 17812 18666 19856 21024 21316 22326 22338 24888 26352 26718 27999 29768 29784 31536 31974 33184 33489 33507 35624 37332 39712 40077 42632 44652 44676 47961 49776 52704 53436 55998 59536 59568 63072 63257 63948 66978 67014 71248 74664 75701 80154 85264 89304 89352 90593 95922 99552 100467 106872 111996 119072 119136 120231 126514 127896 133956 134028 142496 143883 149328 151402 160308 170528 178608 178704 181186 189771 191844 200934 213744 223992 227103 240462 253028 255792 267912 268056 271633 271779 287766 298656 302804 320616 325069 357216 357408 362372 379542 383688 389017 401868 427488 447984 454206 480924 506056 511584 535824 536112 543266 543558 569313 575532 605608 641232 650138 681309 724744 759084 767376 778034 803736 814899 815337 895968 908412 961848 975207 1012112 1071648 1072224 1086532 1087116 1138626 1151064 1167051 1211216 1282464 1300276 1362618 1449488 1518168 1534752 1556068 1607472 1629798 1630674 1707939 1816824 1923696 1950414 2024224 2043927 2173064 2174232 2277252 2302128 2334102 2422432 2444697 2446011 2600552 2725236 2898976 2925621 3036336 3112136 3214944 3259596 3261348 3415878 3501153 3633648 3847392 3900828 4087854 4346128 4348464 4554504 4604256 4617761 4668204 4889394 4892022 5201104 5450472 5526173 5851242 6072672 6224272 6519192 6522696 6613289 6831756 7002306 7267296 7334091 7801656 8175708 8692256 8696928 8776863 9109008 9235522 9336408 9778788 9784044 10402208 10503459 10900944 11052346 11702484 12448544 13038384 13045392 13226578 13663512 13853283 14004612 14668182 15603312 16351416 16578519 17553726 18218016 18471044 18672816 19557576 19568088 19829209 19839867 21006918 21801888 22104692 23404968 23730037 26076768 26090784 26453156 27327024 27706566 28009224 29336364 31206624 32702832 33157038 35107452 36942088 37345632 39115152 39136176 39658418 39679734 41559849 42013836 44209384 46809936 47460074 49735557 52906312 54654048 55413132 56018448 58672728 59487627 59519601 65405664 66314076 70214904 71190111 73884176 78230304 78272352 79316836 79359468 83119698 84027672 88418768 93619872 94920148 99471114 105812624 110826264 112036896 117345456 118975254 119039202 124679547 132628152 140429808 142380222 147768352 149206671 158633672 158718936 166239396 168055344 176837536 178462881 178558803 189840296 198942228 211625248 213570333 221652528 234690912 237950508 238078404 249359094 265256304 280859616 284760444 298413342 317267344 317437872 332478792 336110688 337096553 356925762 357117606 379680592 397884456 403410629 427140666 443305056 475901016 476156808 498718188 530512608 535388643 569520888 596826684 634534688 634875744 640710999 664957584 674193106 713851524 714235212 759361184 795768912 806821258 854281332 951802032 952313616 997436376 1011289659 1070777286 1139041776 1193653368 1210231887 1281421998 1329915168 1348386212 1427703048 1428470424 1447532257 1591537824 1613642516 1708562664 1903604064 1904627232 1994872752 2022579318 2141554572 2278083552 2387306736 2420463774 2562843996 2696772424 2855406096 2856940848 2895064514 3033868977 3227285032 3417125328 3630695661 3989745504 4045158636 4283109144 4342596771 4774613472 4840927548 5125687992 5393544848 5710812192 5713881696 5790129028 6067737954 6454570064 6834250656 7261391322 8090317272 8566218288 8685193542 9101606931 9681855096 10251375984 10787089696 10892086983 11580258056 12135475908 12909140128 13027790313 14522782644 16180634544 17132436576 17370387084 18203213862 19363710192 20502751968 21784173966 23160516112 24270951816 24608048369 26055580626 29045565288 32361269088 34740774168 36406427724 38727420384 39083370939 43568347932 46321032224 48541903632 49216096738 52111161252 58091130576 69481548336 72812855448 73824145107 78166741878 87136695864 97083807264 98432193476 104222322504 116182261152 138963096672 145625710896 147648290214 156333483756 174273391728 196864386952 208444645008 221472435321 291251421792 295296580428 312666967512 348546783456 393728773904 416889290016 442944870642 590593160856 625333935024 664417305963 787457547808 885889741284 1181186321712 1250667870048 1328834611926 1771779482568 2362372643424 2657669223852 3543558965136 5315338447704 7087117930272 10630676895408 21261353790816
• Sum of all divisors σ(n): 67681241409600
• Sum of proper divisors (its aliquot sum) s(n): 46419887618784
• 21261353790816 is an abundant number, because the sum of its proper divisors (46419887618784) is greater than itself. Its abundance is 25158533827968

Bases of 21261353790816

• Binary: 100110101011001001011011100001010110101100000₂
• Hexadecimal: 0x13564B70AD60
• Base-36: 7JBBX3FC0

Squares and roots of 21261353790816

• 21261353790816 squared (21261353790816²) is 452045165018245893485945856
• 21261353790816 cubed (21261353790816³) is 9611092182880726601274239886284926058496
• The square root of 21261353790816 is 4611003.5557149595
• The cube root of 21261353790816 is 27703.2234345681

Scales and comparisons

• 21,261,353,790,816 seconds is equal to 676,045 years, 14 weeks, 5 days, 16 hours, 33 minutes, 36 seconds.
• To count from 1 to 21,261,353,790,816 would take you about one million, six hundred ninety thousand, one hundred thirteen 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 21261353790816 cubic inches would be around 2308.6 feet tall.

Recreational maths with 21261353790816

• 21261353790816 backwards is 61809735316212
• 21261353790816 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21261353790816's digits is 54
• More coming soon!