21246478516224

Names of 21246478516224

• Cardinal: 21246478516224 can be written as Twenty-one trillion, two hundred forty-six billion, four hundred seventy-eight million, five hundred sixteen thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 2.1246478516224 × 10¹³

Factors of 21246478516224

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 26
• Sum of prime factors: 138

Divisors of 21246478516224

• Number of divisors d(n): 1296
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 23 24 26 27 32 36 39 46 48 52 54 64 69 72 78 81 92 96 97 104 108 117 128 138 144 156 162 184 192 194 207 208 216 234 243 256 276 288 291 299 312 324 351 368 384 388 414 416 432 468 486 512 529 552 576 582 598 621 624 648 702 736 768 776 828 832 864 873 897 936 972 1024 1053 1058 1104 1152 1164 1196 1242 1248 1261 1296 1404 1472 1536 1552 1587 1656 1664 1728 1746 1794 1863 1872 1944 2048 2106 2116 2208 2231 2304 2328 2392 2484 2496 2522 2592 2619 2691 2808 2944 3072 3104 3159 3174 3312 3328 3456 3492 3588 3726 3744 3783 3888 4096 4212 4232 4416 4462 4608 4656 4761 4784 4968 4992 5044 5184 5238 5382 5589 5616 5888 6144 6208 6318 6348 6624 6656 6693 6877 6912 6984 7176 7452 7488 7566 7776 7857 8073 8192 8424 8464 8832 8924 9216 9312 9522 9568 9936 9984 10088 10368 10476 10764 11178 11232 11349 11776 12288 12416 12636 12696 13248 13312 13386 13754 13824 13968 14283 14352 14904 14976 15132 15552 15714 16146 16384 16848 16928 17664 17848 18432 18624 19044 19136 19872 19968 20079 20176 20631 20736 20952 21528 22356 22464 22698 23552 23571 24219 24576 24832 25272 25392 26496 26624 26772 27508 27648 27936 28566 28704 29003 29808 29952 30264 31104 31428 32292 32768 33696 33856 34047 35328 35696 36864 37248 38088 38272 39744 39936 40158 40352 41262 41472 41904 42849 43056 44712 44928 45396 47104 47142 48438 49152 49664 50544 50784 51313 52992 53248 53544 55016 55296 55872 57132 57408 58006 59616 59904 60237 60528 61893 62208 62856 64584 65536 67392 67712 68094 70656 71392 72657 73728 74496 76176 76544 79488 79872 80316 80704 82524 82944 83808 85698 86112 87009 89424 89856 90792 94208 94284 96876 98304 99328 101088 101568 102141 102626 105984 106496 107088 110032 110592 111744 114264 114816 116012 119232 119808 120474 121056 123786 124416 125712 128547 129168 131072 134784 135424 136188 141312 142784 145314 147456 148992 152352 153088 153939 158976 159744 160632 161408 165048 165888 167616 171396 172224 174018 178848 179712 180711 181584 185679 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87434067968 90796916736 98363326464 102146531328 102639992832 109517930496 110658742272 115469991936 131151101952 136195375104 147544989696 153959989248 165988113408 181593833472 196726652928 204293062656 219035860992 221317484544 230939983872 262302203904 272390750208 295089979392 307919978496 331976226816 393453305856 408586125312 442634969088 461879967744 544781500416 590179958784 663952453632 786906611712 817172250624 885269938176 923759935488 1180359917568 1327904907264 1634344501248 1770539876352 2360719835136 2655809814528 3541079752704 5311619629056 7082159505408 10623239258112 21246478516224
• Sum of all divisors σ(n): 72396720173232
• Sum of proper divisors (its aliquot sum) s(n): 51150241657008
• 21246478516224 is an abundant number, because the sum of its proper divisors (51150241657008) is greater than itself. Its abundance is 29903763140784

Bases of 21246478516224

• Binary: 100110101001011010100110011100000000000000000₂
• Hexadecimal: 0x1352D4CE0000
• Base-36: 7J4HWQO00

Squares and roots of 21246478516224

• 21246478516224 squared (21246478516224²) is 451412849340367984631218176
• 21246478516224 cubed (21246478516224³) is 9590933405457589635253637587850099687424
• The square root of 21246478516224 is 4609390.2542770233
• The cube root of 21246478516224 is 27696.7611744103

Scales and comparisons

• 21,246,478,516,224 seconds is equal to 675,572 years, 15 weeks, 3 days, 3 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,246,478,516,224 would take you about one million, six hundred eighty-eight thousand, nine hundred thirty 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 21246478516224 cubic inches would be around 2308.1 feet tall.

Recreational maths with 21246478516224

• 21246478516224 backwards is 42261587464212
• 21246478516224 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21246478516224's digits is 54
• More coming soon!