21681095245824

Names of 21681095245824

• Cardinal: 21681095245824 can be written as Twenty-one trillion, six hundred eighty-one billion, ninety-five million, two hundred forty-five thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1681095245824 × 10¹³

Factors of 21681095245824

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 199

Divisors of 21681095245824

• Number of divisors d(n): 1224
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 19 21 24 28 32 34 38 42 48 51 56 57 64 68 76 84 96 102 112 114 119 128 133 136 151 152 168 192 204 224 228 238 256 266 272 289 302 304 323 336 357 361 384 399 408 448 453 456 476 512 532 544 578 604 608 646 672 714 722 768 798 816 867 896 906 912 952 969 1024 1057 1064 1083 1088 1156 1208 1216 1292 1344 1428 1444 1536 1596 1632 1734 1792 1812 1824 1904 1938 2023 2048 2114 2128 2166 2176 2261 2312 2416 2432 2527 2567 2584 2688 2856 2869 2888 3072 3171 3192 3264 3468 3584 3624 3648 3808 3876 4046 4096 4228 4256 4332 4352 4522 4624 4832 4864 5054 5134 5168 5376 5491 5712 5738 5776 6069 6137 6144 6342 6384 6528 6783 6936 7168 7248 7296 7581 7616 7701 7752 8092 8192 8456 8512 8607 8664 8704 9044 9248 9664 9728 10108 10268 10336 10752 10982 11424 11476 11552 12138 12274 12288 12684 12768 13056 13566 13872 14336 14496 14592 15162 15232 15402 15504 16184 16384 16473 16912 17024 17214 17328 17408 17969 18088 18411 18496 19328 19456 20083 20216 20536 20672 21504 21964 22848 22952 23104 24276 24548 24576 25368 25536 26112 27132 27744 28672 28992 29184 30324 30464 30804 31008 32368 32768 32946 33824 34048 34428 34656 34816 35938 36176 36822 36992 38437 38656 38912 40166 40432 41072 41344 42959 43008 43639 43928 45696 45904 46208 48552 48773 49096 49152 50736 51072 52224 53907 54264 54511 55488 57344 57984 58368 60249 60648 60928 61608 62016 64736 65536 65892 67648 68096 68856 69312 69632 71876 72352 73644 73984 76874 77312 77824 80332 80864 82144 82688 85918 86016 87278 87856 91392 91808 92416 97104 97546 98192 98304 101472 102144 104329 104448 107814 108528 109022 110976 114688 115311 115968 116736 120498 121296 121856 123216 124032 128877 129472 130917 131784 135296 136192 137712 138624 139264 143752 144704 146319 147288 147968 153748 154624 155648 160664 161728 163533 164288 165376 171836 172032 174556 175712 182784 183616 184832 194208 195092 196384 196608 202944 204288 208658 208896 215628 217056 218044 221952 229376 230622 231936 233472 240996 242592 243712 246432 248064 257754 258944 261834 263568 270592 272384 275424 277248 278528 287504 289408 292638 294576 295936 305473 307496 309248 311296 312987 321328 323456 327066 328576 330752 341411 343672 344064 349112 351424 365568 367232 369664 381577 388416 390184 392768 405888 408576 417316 417792 431256 434112 436088 443904 458752 461244 463872 466944 481992 485184 487424 492864 496128 515508 517888 523668 527136 541184 544768 550848 554496 557056 575008 578816 585276 589152 591872 610946 614992 618496 622592 625974 642656 646912 654132 657152 661504 682822 687344 688128 698224 702848 730303 731136 734464 739328 763154 776832 780368 785536 811776 817152 829141 834632 835584 862512 868224 872176 887808 916419 922488 926687 927744 933888 963984 970368 974848 985728 992256 1024233 1031016 1035776 1047336 1054272 1082368 1089536 1101696 1108992 1114112 1144731 1150016 1157632 1170552 1178304 1183744 1221892 1229984 1236992 1245184 1251948 1285312 1293824 1308264 1314304 1323008 1365644 1374688 1376256 1396448 1405696 1460606 1462272 1468928 1478656 1526308 1553664 1560736 1571072 1623552 1634304 1658282 1669264 1671168 1725024 1736448 1744352 1775616 1832838 1844976 1853374 1855488 1867776 1927968 1940736 1949696 1971456 1984512 2048466 2062032 2071552 2094672 2108544 2164736 2179072 2190909 2203392 2217984 2289462 2300032 2315264 2341104 2356608 2367488 2443784 2459968 2473984 2487423 2503896 2570624 2587648 2616528 2628608 2646016 2731288 2749376 2780061 2792896 2811392 2921212 2924544 2937856 2957312 3052616 3107328 3121472 3142144 3247104 3268608 3316564 3338528 3342336 3450048 3472896 3488704 3551232 3665676 3689952 3706748 3710976 3735552 3855936 3881472 3899392 3942912 3969024 4096932 4124064 4143104 4189344 4217088 4329472 4358144 4381818 4406784 4435968 4578924 4600064 4630528 4682208 4713216 4734976 4887568 4919936 4947968 4974846 5007792 5141248 5175296 5233056 5257216 5292032 5462576 5498752 5560122 5585792 5622784 5803987 5842424 5849088 5875712 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21681095245824
• Sum of all divisors σ(n): 74569894779648
• Sum of proper divisors (its aliquot sum) s(n): 52888799533824
• 21681095245824 is an abundant number, because the sum of its proper divisors (52888799533824) is greater than itself. Its abundance is 31207704288000

Bases of 21681095245824

• Binary: 100111011100000000101111110110000000000000000₂
• Hexadecimal: 0x13B805FB0000
• Base-36: 7OO5OBITC

Squares and roots of 21681095245824

• 21681095245824 squared (21681095245824²) is 470069891058492054989438976
• 21681095245824 cubed (21681095245824³) is 10191630080233277700534001361082566836224
• The square root of 21681095245824 is 4656296.3013347851
• The cube root of 21681095245824 is 27884.3423258265

Scales and comparisons

• 21,681,095,245,824 seconds is equal to 689,391 years, 39 weeks, 5 days, 9 hours, 10 minutes, 24 seconds.
• To count from 1 to 21,681,095,245,824 would take you about one million, seven hundred twenty-three thousand, four hundred seventy-nine 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 21681095245824 cubic inches would be around 2323.7 feet tall.

Recreational maths with 21681095245824

• 21681095245824 backwards is 42854259018612
• 21681095245824 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21681095245824's digits is 57
• More coming soon!