21195400491648

Names of 21195400491648

• Cardinal: 21195400491648 can be written as Twenty-one trillion, one hundred ninety-five billion, four hundred million, four hundred ninety-one thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.1195400491648 × 10¹³

Factors of 21195400491648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 492

Divisors of 21195400491648

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 71 72 81 96 108 128 142 144 162 192 193 213 216 223 243 284 288 324 384 386 426 432 446 486 568 576 579 639 648 669 772 852 864 892 972 1136 1152 1158 1278 1296 1338 1544 1704 1728 1737 1784 1917 1944 2007 2272 2316 2556 2592 2676 3088 3408 3456 3474 3568 3834 3888 4014 4544 4632 5112 5184 5211 5352 5751 6021 6176 6816 6948 7136 7668 7776 8028 9088 9264 10224 10368 10422 10704 11502 12042 12352 13632 13703 13896 14272 15336 15552 15633 15833 16056 17253 18063 18528 20448 20844 21408 23004 24084 24704 27264 27406 27792 28544 30672 31104 31266 31666 32112 34506 36126 37056 40896 41109 41688 42816 43039 46008 46899 47499 48168 49729 54189 54812 55584 61344 62532 63332 64224 69012 72252 74112 81792 82218 83376 85632 86078 92016 93798 94998 96336 99458 108378 109624 111168 122688 123327 125064 126664 128448 129117 138024 142497 144504 149187 164436 166752 172156 184032 187596 189996 192672 198916 216756 219248 222336 245376 246654 250128 253328 256896 258234 276048 284994 289008 298374 328872 333504 344312 368064 369981 375192 379992 385344 387351 397832 427491 433512 438496 447561 493308 500256 506656 516468 552096 569988 578016 596748 657744 667008 688624 736128 739962 750384 759984 770688 774702 795664 854982 867024 876992 895122 986616 1000512 1013312 1032936 1104192 1109943 1139976 1156032 1162053 1193496 1282473 1315488 1342683 1377248 1479924 1500768 1519968 1549404 1591328 1709964 1734048 1753984 1790244 1973232 2001024 2026624 2065872 2208384 2219886 2279952 2312064 2324106 2386992 2564946 2630976 2685366 2754496 2959848 3001536 3039936 3055769 3098808 3182656 3329829 3419928 3468096 3486159 3530759 3580488 3847419 3946464 4028049 4131744 4439772 4559904 4648212 4773984 5129892 5261952 5370732 5508992 5919696 6003072 6079872 6111538 6197616 6365312 6659658 6839856 6936192 6972318 7061518 7160976 7694838 7892928 8056098 8263488 8879544 9119808 9167307 9296424 9547968 9597697 10259784 10458477 10592277 10741464 11839392 12084147 12223076 12395232 13319316 13679712 13944636 14123036 14321952 15389676 15785856 16112196 16526976 17759088 18239616 18334614 18592848 19095936 19195394 20519568 20916954 21184554 21482928 23678784 24168294 24446152 24790464 26638632 27359424 27501921 27889272 28246072 28643904 28793091 30779352 31776831 32224392 35518176 36669228 37185696 38390788 41039136 41833908 42369108 42965856 47357568 48336588 48892304 49580928 53277264 54718848 55003842 55778544 56492144 57287808 57586182 61558704 63553662 64448784 71036352 73338456 74371392 76781576 82078272 82505763 83667816 84738216 85931712 86379273 95330493 96673176 97784608 106554528 110007684 111557088 112984288 115172364 123117408 127107324 128897568 142072704 146676912 148742784 153563152 164156544 165011526 167335632 169476432 171863424 172758546 190660986 193346352 195569216 213109056 220015368 223114176 225968576 230344728 246234816 247517289 254214648 257795136 259137819 285991479 293353824 307126304 330023052 334671264 338952864 345517092 381321972 386692704 391138432 426218112 440030736 446228352 451937152 460689456 492469632 495034578 508429296 515590272 518275638 571982958 586707648 614252608 660046104 669342528 677905728 681436487 691034184 742551867 762643944 773385408 777413457 857974437 880061472 921378912 990069156 1016858592 1036551276 1143965916 1173415296 1228505216 1320092208 1338685056 1355811456 1362872974 1382068368 1485103734 1525287888 1546770816 1554826914 1715948874 1760122944 1842757824 1980138312 2033717184 2044309461 2073102552 2287931832 2332240371 2640184416 2725745948 2764136736 2970207468 3050575776 3109653828 3431897748 3520245888 3685515648 3960276624 4067434368 4088618922 4146205104 4575863664 4664480742 5280368832 5451491896 5528273472 5940414936 6101151552 6132928383 6219307656 6863795496 7920553248 8177237844 8292410208 9151727328 9328961484 10560737664 10902983792 11056546944 11880829872 12202303104 12265856766 12438615312 13727590992 15841106496 16354475688 16584820416 18303454656 18398785149 18657922968 21805967584 23761659744 24531713532 24877230624 27455181984 31682212992 32708951376 33169640832 36606909312 36797570298 37315845936 43611935168 47523319488 49063427064 49754461248 54910363968 55196355447 65417902752 73595140596 74631691872 87223870336 95046638976 98126854128 99508922496 109820727936 110392710894 130835805504 147190281192 149263383744 165589066341 196253708256 220785421788 261671611008 294380562384 298526767488 331178132682 392507416512 441570843576 588761124768 662356265364 785014833024 883141687152 1177522249536 1324712530728 1766283374304 2355044499072 2649425061456 3532566748608 5298850122912 7065133497216 10597700245824 21195400491648
• Sum of all divisors σ(n): 64764552041280
• Sum of proper divisors (its aliquot sum) s(n): 43569151549632
• 21195400491648 is an abundant number, because the sum of its proper divisors (43569151549632) is greater than itself. Its abundance is 22373751057984

Bases of 21195400491648

• Binary: 100110100011011110000010100010011001010000000₂
• Hexadecimal: 0x1346F0513280
• Base-36: 7IH167C00

Squares and roots of 21195400491648

• 21195400491648 squared (21195400491648²) is 449245002001352280117755904
• 21195400491648 cubed (21195400491648³) is 9521927736289868861968729302976054689792
• The square root of 21195400491648 is 4603846.2715047295
• The cube root of 21195400491648 is 27674.5483790139

Scales and comparisons

• 21,195,400,491,648 seconds is equal to 673,948 years, 9 weeks, 7 hours, 40 minutes, 48 seconds.
• To count from 1 to 21,195,400,491,648 would take you about one million, six hundred eighty-four thousand, eight hundred seventy 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 21195400491648 cubic inches would be around 2306.2 feet tall.

Recreational maths with 21195400491648

• 21195400491648 backwards is 84619400459112
• 21195400491648 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21195400491648's digits is 54
• More coming soon!