21351213563904

Names of 21351213563904

• Cardinal: 21351213563904 can be written as Twenty-one trillion, three hundred fifty-one billion, two hundred thirteen million, five hundred sixty-three thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.1351213563904 × 10¹³

Factors of 21351213563904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 30
• Sum of prime factors: 79

Divisors of 21351213563904

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 67 72 81 84 96 108 112 126 128 134 144 162 168 189 192 201 216 224 252 256 268 288 324 336 378 384 402 432 448 469 504 512 536 567 576 603 648 672 756 768 804 864 896 938 1008 1024 1072 1134 1152 1206 1296 1344 1407 1512 1536 1608 1728 1792 1809 1876 2016 2048 2144 2268 2304 2412 2592 2688 2814 3024 3072 3216 3456 3584 3618 3752 4032 4096 4221 4288 4489 4536 4608 4824 5184 5376 5427 5628 6048 6144 6432 6912 7168 7236 7504 8064 8192 8442 8576 8978 9072 9216 9648 10368 10752 10854 11256 12096 12288 12663 12864 13467 13824 14336 14472 15008 16128 16384 16884 17152 17956 18144 18432 19296 20736 21504 21708 22512 24192 24576 25326 25728 26934 27648 28672 28944 30016 31423 32256 32768 33768 34304 35912 36288 36864 37989 38592 40401 41472 43008 43416 45024 48384 49152 50652 51456 53868 55296 57344 57888 60032 62846 64512 65536 67536 68608 71824 72576 73728 75978 77184 80802 82944 86016 86832 90048 94269 96768 98304 101304 102912 107736 110592 114688 115776 120064 121203 125692 129024 131072 135072 137216 143648 145152 147456 151956 154368 161604 165888 172032 173664 180096 188538 193536 196608 202608 205824 215472 221184 229376 231552 240128 242406 251384 258048 262144 270144 274432 282807 287296 290304 294912 303912 308736 323208 331776 344064 347328 360192 363609 377076 387072 393216 405216 411648 430944 442368 458752 463104 480256 484812 502768 516096 524288 540288 548864 565614 574592 580608 589824 607824 617472 646416 663552 688128 694656 720384 727218 754152 774144 786432 810432 823296 848421 861888 884736 917504 926208 960512 969624 1005536 1032192 1048576 1080576 1097728 1131228 1149184 1161216 1179648 1215648 1234944 1292832 1327104 1376256 1389312 1440768 1454436 1508304 1548288 1572864 1620864 1646592 1696842 1723776 1769472 1835008 1852416 1921024 1939248 2011072 2064384 2097152 2161152 2195456 2262456 2298368 2322432 2359296 2431296 2469888 2545263 2585664 2654208 2752512 2778624 2881536 2908872 3016608 3096576 3145728 3241728 3293184 3393684 3447552 3538944 3670016 3704832 3842048 3878496 4022144 4128768 4194304 4322304 4390912 4524912 4596736 4644864 4718592 4862592 4939776 5090526 5171328 5308416 5505024 5557248 5763072 5817744 6033216 6193152 6291456 6483456 6586368 6787368 6895104 7077888 7340032 7409664 7684096 7756992 8044288 8257536 8388608 8644608 8781824 9049824 9193472 9289728 9437184 9725184 9879552 10181052 10342656 10616832 11010048 11114496 11526144 11635488 12066432 12386304 12582912 12966912 13172736 13574736 13790208 14155776 14680064 14819328 15368192 15513984 16088576 16515072 17289216 17563648 18099648 18386944 18579456 18874368 19450368 19759104 20362104 20685312 21233664 22020096 22228992 23052288 23270976 24132864 24772608 25165824 25933824 26345472 27149472 27580416 28311552 29360128 29638656 30736384 31027968 32177152 33030144 34578432 35127296 36199296 36773888 37158912 37748736 38900736 39518208 40724208 41370624 42467328 44040192 44457984 46104576 46541952 48265728 49545216 51867648 52690944 54298944 55160832 56623104 58720256 59277312 61472768 62055936 64354304 66060288 69156864 70254592 72398592 73547776 74317824 75497472 77801472 79036416 81448416 82741248 84934656 88080384 88915968 92209152 93083904 96531456 99090432 103735296 105381888 108597888 110321664 113246208 118554624 122945536 124111872 128708608 132120576 138313728 140509184 144797184 147095552 148635648 155602944 158072832 162896832 165482496 169869312 176160768 177831936 184418304 186167808 193062912 198180864 207470592 210763776 217195776 220643328 226492416 237109248 245891072 248223744 257417216 264241152 276627456 281018368 289594368 294191104 297271296 311205888 316145664 325793664 330964992 339738624 355663872 368836608 372335616 386125824 396361728 414941184 421527552 434391552 441286656 474218496 491782144 496447488 514834432 528482304 553254912 562036736 579188736 588382208 594542592 622411776 632291328 651587328 661929984 679477248 711327744 737673216 744671232 772251648 792723456 829882368 843055104 868783104 882573312 948436992 983564288 992894976 1029668864 1106509824 1158377472 1176764416 1189085184 1244823552 1264582656 1303174656 1323859968 1422655488 1475346432 1489342464 1544503296 1585446912 1659764736 1686110208 1737566208 1765146624 1896873984 1967128576 1985789952 2059337728 2213019648 2316754944 2353528832 2378170368 2489647104 2529165312 2606349312 2647719936 2845310976 2950692864 2978684928 3089006592 3319529472 3475132416 3530293248 3793747968 3934257152 3971579904 4118675456 4426039296 4633509888 4707057664 4756340736 4979294208 5058330624 5212698624 5295439872 5690621952 5901385728 5957369856 6178013184 6639058944 6950264832 7060586496 7587495936 7943159808 8237350912 8852078592 9267019776 9414115328 9958588416 10425397248 10590879744 11381243904 11802771456 11914739712 12356026368 13278117888 13900529664 14121172992 15174991872 15886319616 16474701824 17704157184 18534039552 18828230656 19917176832 20850794496 21181759488 22762487808 23829479424 24712052736 26556235776 27801059328 28242345984 31772639232 32949403648 35408314368 37068079104 37656461312 39834353664 41701588992 42363518976 45524975616 47658958848 49424105472 53112471552 55602118656 56484691968 63545278464 65898807296 74136158208 79668707328 83403177984 84727037952 95317917696 98848210944 106224943104 111204237312 112969383936 127090556928 131797614592 148272316416 159337414656 166806355968 169454075904 190635835392 197696421888 222408474624 254181113856 263595229184 296544632832 318674829312 333612711936 338908151808 381271670784 395392843776 444816949248 508362227712 593089265664 667225423872 762543341568 790785687552 889633898496 1016724455424 1186178531328 1334450847744 1525086683136 1779267796992 2372357062656 2668901695488 3050173366272 3558535593984 5337803390976 7117071187968 10675606781952 21351213563904
• Sum of all divisors σ(n): 74007248154840
• Sum of proper divisors (its aliquot sum) s(n): 52656034590936
• 21351213563904 is an abundant number, because the sum of its proper divisors (52656034590936) is greater than itself. Its abundance is 31304821027032

Bases of 21351213563904

• Binary: 100110110101100110111100000000000000000000000₂
• Hexadecimal: 0x136B37800000
• Base-36: 7KGM1A800

Squares and roots of 21351213563904

• 21351213563904 squared (21351213563904²) is 455874320651438149091721216
• 21351213563904 cubed (21351213563904³) is 9733469978528507590211674244852968587264
• The square root of 21351213563904 is 4620737.3398521583
• The cube root of 21351213563904 is 27742.1972224511

Scales and comparisons

• 21,351,213,563,904 seconds is equal to 678,902 years, 28 weeks, 3 days, 8 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,351,213,563,904 would take you about one million, six hundred ninety-seven thousand, two hundred fifty-six 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 21351213563904 cubic inches would be around 2311.8 feet tall.

Recreational maths with 21351213563904

• 21351213563904 backwards is 40936531215312
• The number of decimal digits it has is: 14
• The sum of 21351213563904's digits is 45
• More coming soon!