21438468846075904

Names of 21438468846075904

• Cardinal: 21438468846075904 can be written as Twenty-one quadrillion, four hundred thirty-eight trillion, four hundred sixty-eight billion, eight hundred forty-six million, seventy-five thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.1438468846075904 × 10¹⁶

Factors of 21438468846075904

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 25
• Sum of prime factors: 70

Divisors of 21438468846075904

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 61 64 98 112 122 128 196 224 244 256 343 392 427 448 488 512 686 784 854 896 976 1024 1372 1568 1708 1792 1952 2048 2401 2744 2989 3136 3416 3584 3721 3904 4096 4802 5488 5978 6272 6832 7168 7442 7808 8192 9604 10976 11956 12544 13664 14336 14884 15616 16384 16807 19208 20923 21952 23912 25088 26047 27328 28672 29768 31232 33614 38416 41846 43904 47824 50176 52094 54656 57344 59536 62464 67228 76832 83692 87808 95648 100352 104188 109312 114688 117649 119072 124928 134456 146461 153664 167384 175616 182329 191296 200704 208376 218624 226981 235298 238144 249856 268912 292922 307328 334768 351232 364658 382592 401408 416752 437248 453962 470596 476288 499712 537824 585844 614656 669536 702464 729316 765184 802816 823543 833504 874496 907924 941192 952576 999424 1025227 1075648 1171688 1229312 1276303 1339072 1404928 1458632 1530368 1588867 1647086 1667008 1748992 1815848 1882384 1905152 2050454 2151296 2343376 2458624 2552606 2678144 2809856 2917264 3060736 3177734 3294172 3334016 3497984 3631696 3764768 3810304 4100908 4302592 4686752 4917248 5105212 5356288 5619712 5764801 5834528 6121472 6355468 6588344 6668032 6995968 7176589 7263392 7529536 7620608 8201816 8605184 8934121 9373504 9834496 10210424 10712576 11122069 11529602 11669056 12242944 12710936 13176688 13336064 14353178 14526784 15059072 15241216 16403632 17210368 17868242 18747008 19668992 20420848 21425152 22244138 23059204 23338112 24485888 25421872 26353376 26672128 28706356 29053568 30118144 30482432 32807264 34420736 35736484 37494016 39337984 40841696 42850304 44488276 46118408 46676224 48971776 50236123 50843744 52706752 53344256 57412712 58107136 60236288 60964864 62538847 65614528 68841472 71472968 74988032 77854483 81683392 85700608 88976552 92236816 93352448 100472246 101687488 105413504 106688512 114825424 116214272 120472576 125077694 131229056 137682944 142945936 149976064 155708966 163366784 171401216 177953104 184473632 186704896 200944492 203374976 210827008 213377024 229650848 232428544 240945152 250155388 262458112 275365888 285891872 299952128 311417932 326733568 342802432 351652861 355906208 368947264 373409792 401888984 406749952 421654016 426754048 437771929 459301696 464857088 481890304 500310776 524916224 544981381 571783744 599904256 622835864 653467136 703305722 711812416 737894528 746819584 803777968 813499904 843308032 875543858 918603392 929714176 963780608 1000621552 1049832448 1089962762 1143567488 1199808512 1245671728 1306934272 1406611444 1423624832 1475789056 1493639168 1607555936 1626999808 1686616064 1751087716 1837206784 1859428352 1927561216 2001243104 2099664896 2179925524 2287134976 2399617024 2491343456 2613868544 2813222888 2847249664 2951578112 2987278336 3064403503 3215111872 3253999616 3373232128 3502175432 3674413568 3718856704 3814869667 4002486208 4199329792 4359851048 4574269952 4982686912 5227737088 5626445776 5694499328 5903156224 6128807006 6430223744 6507999232 6746464256 7004350864 7348827136 7629739334 8004972416 8398659584 8719702096 9148539904 9965373824 10455474176 11252891552 11388998656 11806312448 12257614012 12860447488 13015998464 13492928512 14008701728 14697654272 15259478668 16009944832 16797319168 17439404192 18297079808 19930747648 20910948352 21450824521 22505783104 22777997312 23612624896 24515228024 25720894976 26031996928 26704087669 28017403456 29395308544 30518957336 32019889664 34878808384 36594159616 39861495296 42901649042 45011566208 45555994624 47225249792 49030456048 51441789952 53408175338 56034806912 58790617088 61037914672 64039779328 69757616768 73188319232 79722990592 85803298084 90023132416 91111989248 94450499584 98060912096 102883579904 106816350676 112069613824 117581234176 122075829344 128079558656 139515233536 146376638464 159445981184 171606596168 180046264832 182223978496 186928613683 196121824192 205767159808 213632701352 224139227648 244151658688 256159117312 279030467072 318891962368 343213192336 360092529664 373857227366 392243648384 411534319616 427265402704 448278455296 488303317376 512318234624 558060934144 637783924736 686426384672 720185059328 747714454732 784487296768 823068639232 854530805408 896556910592 976606634752 1024636469248 1116121868288 1275567849472 1308500295781 1372852769344 1440370118656 1495428909464 1568974593536 1709061610816 1793113821184 1953213269504 2232243736576 2617000591562 2745705538688 2880740237312 2990857818928 3137949187072 3418123221632 3586227642368 3906426539008 4464487473152 5234001183124 5491411077376 5761480474624 5981715637856 6275898374144 6836246443264 7172455284736 7812853078016 8928974946304 10468002366248 10982822154752 11963431275712 12551796748288 13672492886528 15625706156032 20936004732496 21965644309504 23926862551424 25103593496576 27344985773056 31251412312064 41872009464992 43931288619008 47853725102848 50207186993152 54689971546112 62502824624128 83744018929984 87862577238016 95707450205696 109379943092224 167488037859968 175725154476032 191414900411392 218759886184448 334976075719936 351450308952064 382829800822784 437519772368896 669952151439872 765659601645568 1339904302879744 1531319203291136 2679808605759488 3062638406582272 5359617211518976 10719234423037952 21438468846075904
• Sum of all divisors σ(n): 50855255247136788
• Sum of proper divisors (its aliquot sum) s(n): 29416786401060884
• 21438468846075904 is an abundant number, because the sum of its proper divisors (29416786401060884) is greater than itself. Its abundance is 7978317554984980

Bases of 21438468846075904

• Binary: 1001100001010100010110010000000000110010100000000000000₂
• Hexadecimal: 0x4C2A2C80194000
• Base-36: 5V3AWMI3A4G

Squares and roots of 21438468846075904

• 21438468846075904 squared (21438468846075904²) is 459607946464167102794579329417216
• 21438468846075904 cubed (21438468846075904³) is 9853290641680968370168084631157076301472820363264
• The square root of 21438468846075904 is 146418813.1562194571
• The cube root of 21438468846075904 is 277799.3689219507

Scales and comparisons

• 21,438,468,846,075,904 seconds is equal to 681,676,995 years, 39 weeks, 6 days, 5 hours, 5 minutes, 4 seconds.
• To count from 1 to 21,438,468,846,075,904 would take you about two billion, forty-five million, thirty thousand, nine hundred eighty-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 21438468846075904 cubic inches would be around 23149.9 feet tall.

Recreational maths with 21438468846075904

• 21438468846075904 backwards is 40957064886483412
• The number of decimal digits it has is: 17
• The sum of 21438468846075904's digits is 79
• More coming soon!