64378821899808

Names of 64378821899808

• Cardinal: 64378821899808 can be written as Sixty-four trillion, three hundred seventy-eight billion, eight hundred twenty-one million, eight hundred ninety-nine thousand, eight hundred eight.

Scientific notation

• Scientific notation: 6.4378821899808 × 10¹³

Factors of 64378821899808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 232

Divisors of 64378821899808

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 41 48 52 54 72 78 81 82 96 104 108 117 123 144 156 162 164 173 208 216 234 243 246 288 312 324 328 346 351 369 416 432 468 486 492 519 533 624 648 656 692 702 729 738 864 936 972 984 1038 1053 1066 1107 1248 1296 1312 1384 1404 1458 1476 1557 1599 1872 1944 1968 2076 2106 2132 2214 2249 2592 2768 2808 2916 2952 3114 3159 3198 3321 3744 3888 3936 4152 4212 4264 4428 4498 4671 4797 5536 5616 5832 5904 6228 6318 6396 6642 6747 7093 7776 8304 8424 8528 8856 8996 9342 9477 9594 9963 11232 11664 11808 12456 12636 12792 13284 13494 14013 14186 14391 16608 16848 17056 17712 17992 18684 18954 19188 19926 20241 21279 23328 24912 25272 25584 26568 26988 28026 28372 28782 29889 29929 33696 35424 35984 37368 37908 38376 39852 40482 42039 42558 43173 49824 50544 51168 53136 53976 56052 56744 57564 59778 59858 60723 63837 71968 74736 75816 76752 79704 80964 84078 85116 86346 89787 92209 101088 106272 107952 112104 113488 115128 119556 119716 121446 126117 127674 129519 149472 151632 153504 159408 161928 168156 170232 172692 179574 182169 184418 191511 215904 224208 226976 230256 239112 239432 242892 252234 255348 259038 269361 276627 303264 318816 323856 336312 340464 345384 359148 364338 368836 383022 388557 389077 448416 460512 478224 478864 485784 504468 510696 518076 538722 546507 553254 574533 647712 672624 680928 690768 718296 728676 737672 766044 777114 778154 808083 829881 956448 957728 971568 1008936 1021392 1036152 1077444 1093014 1106508 1149066 1167231 1227089 1345248 1381536 1436592 1457352 1475344 1532088 1554228 1556308 1616166 1639521 1659762 1723599 1943136 2017872 2042784 2072304 2154888 2186028 2213016 2298132 2334462 2424249 2454178 2489643 2873184 2914704 2950688 3064176 3108456 3112616 3232332 3279042 3319524 3447198 3501693 3681267 4035744 4144608 4309776 4372056 4426032 4596264 4668924 4848498 4908356 4979286 5170797 5177717 5829408 6128352 6216912 6225232 6464664 6558084 6639048 6894396 7003386 7272747 7362534 7468929 8619552 8744112 8852064 9192528 9337848 9696996 9816712 9958572 10341594 10355434 10505079 11043801 12433824 12450464 12929328 13116168 13278096 13788792 14006772 14545494 14725068 14937858 15533151 15952157 17488224 18385056 18675696 19393992 19633424 19917144 20683188 20710868 21010158 21818241 22087602 22406787 25858656 26232336 26556192 27577584 28013544 29090988 29450136 29875716 31066302 31515237 31904314 33131403 37351392 38787984 39266848 39834288 41366376 41421736 42020316 43636482 44175204 44813574 46599453 47856471 52464672 55155168 56027088 58181976 58900272 59751432 62132604 63030474 63808628 66262806 67220361 67310321 77575968 79668576 82732752 82843472 84040632 87272964 88350408 89627148 93198906 94545711 95712942 99394209 112054176 116363952 117800544 119502864 124265208 126060948 127617256 132525612 134440722 134620642 139798359 143569413 165465504 165686944 168081264 174545928 176700816 179254296 186397812 189091422 191425884 198788418 201930963 212286397 232727904 239005728 248530416 252121896 255234512 265051224 268881444 269241284 279596718 283637133 287138826 298182627 336162528 349091856 353401632 358508592 372795624 378182844 382851768 397576836 403861926 419395077 424572794 430708239 497060832 504243792 510469024 530102448 537762888 538482568 559193436 567274266 574277652 596365254 605792889 636859191 698183712 717017184 745591248 756365688 765703536 795153672 807723852 838790154 849145588 861416478 894547881 1008487584 1060204896 1075525776 1076965136 1118386872 1134548532 1148555304 1192730508 1211585778 1258185231 1273718382 1292124717 1491182496 1512731376 1531407072 1590307344 1615447704 1677580308 1698291176 1722832956 1789095762 1817378667 1910577573 2151051552 2153930272 2236773744 2269097064 2297110608 2385461016 2423171556 2516370462 2547436764 2584249434 2759723161 3025462752 3180614688 3230895408 3355160616 3396582352 3445665912 3578191524 3634757334 3774555693 3821155146 3876374151 4473547488 4538194128 4594221216 4770922032 4846343112 5032740924 5094873528 5168498868 5452136001 5519446322 5731732719 6461790816 6710321232 6793164704 6891331824 7156383048 7269514668 7549111386 7642310292 7752748302 8279169483 9076388256 9541844064 9692686224 10065481848 10189747056 10336997736 10904272002 11038892644 11463465438 11629122453 13420642464 13782663648 14312766096 14539029336 15098222772 15284620584 15505496604 16356408003 16558338966 17195198157 19385372448 20130963696 20379494112 20673995472 21808544004 22077785288 22926930876 23258244906 24837508449 28625532192 29078058672 30196445544 30569241168 31010993208 32712816006 33116677932 34390396314 40261927392 41347990944 43617088008 44155570576 45853861752 46516489812 49069224009 49675016898 51585594471 58156117344 60392891088 61138482336 62021986416 65425632012 66233355864 68780792628 74512525347 87234176016 88311141152 91707723504 93032979624 98138448018 99350033796 103171188942 120785782176 124043972832 130851264024 132466711728 137561585256 149025050694 154756783413 174468352032 183415447008 186065959248 196276896036 198700067592 206342377884 223537576041 261702528048 264933423456 275123170512 298050101388 309513566826 372131918496 392553792072 397400135184 412684755768 447075152082 523405056096 550246341024 596100202776 619027133652 670612728123 785107584144 794800270368 825369511536 894150304164 1192200405552 1238054267304 1341225456246 1570215168288 1650739023072 1788300608328 2011838184369 2384400811104 2476108534608 2682450912492 3576601216656 4023676368738 4952217069216 5364901824984 7153202433312 8047352737476 10729803649968 16094705474952 21459607299936 32189410949904 64378821899808
• Sum of all divisors σ(n): 210859903099440
• Sum of proper divisors (its aliquot sum) s(n): 146481081199632
• 64378821899808 is an abundant number, because the sum of its proper divisors (146481081199632) is greater than itself. Its abundance is 82102259299824

Bases of 64378821899808

• Binary: 1110101000110101011100110011110111011000100000₂
• Hexadecimal: 0x3A8D5CCF7620
• Base-36: MTJ80CI00

Squares and roots of 64378821899808

• 64378821899808 squared (64378821899808²) is 4144632709207198142390436864
• 64378821899808 cubed (64378821899808³) is 266826571026168929926796993087311557722112
• The square root of 64378821899808 is 8023641.4363933287
• The cube root of 64378821899808 is 40078.7660251523

Scales and comparisons

• 64,378,821,899,808 seconds is equal to 2,047,047 years, 20 weeks, 5 days, 11 hours, 16 minutes, 48 seconds.
• To count from 1 to 64,378,821,899,808 would take you about five million, one hundred seventeen thousand, six hundred eighteen 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 64378821899808 cubic inches would be around 3339.9 feet tall.

Recreational maths with 64378821899808

• 64378821899808 backwards is 80899812887346
• 64378821899808 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 64378821899808's digits is 81
• More coming soon!