21267616384640

Names of 21267616384640

• Cardinal: 21267616384640 can be written as Twenty-one trillion, two hundred sixty-seven billion, six hundred sixteen million, three hundred eighty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.126761638464 × 10¹³

Factors of 21267616384640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3009

Divisors of 21267616384640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 31 32 34 40 62 64 68 80 85 124 128 136 155 160 170 248 272 310 320 340 496 527 544 620 640 680 961 992 1054 1088 1093 1240 1360 1861 1922 1984 2108 2176 2186 2480 2635 2720 3722 3844 3968 4216 4372 4805 4960 5270 5440 5465 7444 7688 8432 8744 9305 9610 9920 10540 10880 10930 14888 15376 16337 16864 17488 18581 18610 19220 19840 21080 21860 29776 30752 31637 32674 33728 33883 34976 37162 37220 38440 42160 43720 57691 59552 61504 63274 65348 67456 67766 69952 74324 74440 76880 81685 84320 87440 92905 115382 119104 123008 126548 130696 135532 139904 148648 148880 153760 158185 163370 168640 169415 174880 185810 230764 238208 253096 261392 271064 288455 297296 297760 307520 316370 326740 337280 338830 349760 371620 461528 506192 522784 542128 576011 576910 594592 595520 615040 632740 653480 677660 699520 743240 923056 980747 1012384 1045568 1050373 1084256 1152022 1153820 1189184 1191040 1265480 1306960 1355320 1486480 1788421 1846112 1961494 2024768 2034073 2091136 2100746 2168512 2304044 2307640 2378368 2530960 2613920 2710640 2880055 2972960 3576842 3692224 3922988 4049536 4068146 4201492 4337024 4608088 4615280 4903735 5061920 5227840 5251865 5421280 5760110 5945920 7153684 7384448 7845976 8136292 8402984 8942105 9216176 9230560 9807470 10123840 10170365 10455680 10503730 10842560 11520220 11891840 14307368 15691952 16272584 16805968 17856341 17884210 18432352 18461120 19614940 20247680 20340730 21007460 21685120 23040440 28614736 30403157 31383904 32545168 33611936 34579241 35712682 35768420 36864704 36922240 39229880 40681460 42014920 46080880 57229472 60806314 62767808 63056263 65090336 67223872 69158482 71425364 71536840 73729408 78459760 81362920 84029840 89281705 92161760 114458944 121612628 125535616 126112526 130180672 134447744 138316964 142850728 143073680 152015785 156919520 162725840 168059680 172896205 178563410 184323520 228917888 243225256 252225052 260361344 276633928 285701456 286147360 304031570 313839040 315281315 325451680 336119360 345792410 357126820 368647040 486450512 504450104 553267856 571402912 572294720 608063140 627678080 630562630 650903360 672238720 691584820 714253640 972901024 1008900208 1071956471 1106535712 1142805824 1144589440 1216126280 1261125260 1301806720 1383169640 1428507280 1945802048 1954744153 2017800416 2143912942 2213071424 2285611648 2432252560 2522250520 2766339280 2857014560 3891604096 3909488306 4035600832 4287825884 4426142848 4864505120 5044501040 5359782355 5532678560 5714029120 7818976612 8071201664 8575651768 9729010240 9773720765 10089002080 10719564710 11065357120 11428058240 15637953224 17151303536 19458020480 19547441530 20178004160 21439129420 22130714240 31275906448 33230650601 34302607072 39094883060 40356008320 42878258840 62551812896 66461301202 68605214144 78189766120 85756517680 125103625792 132922602404 137210428288 156379532240 166153253005 171513035360 250207251584 265845204808 312759064480 332306506010 343026070720 531690409616 625518128960 664613012020 686052141440 1063380819232 1251036257920 1329226024040 2126761638464 2658452048080 4253523276928 5316904096160 10633808192320 21267616384640
• Sum of all divisors σ(n): 55707052862160
• Sum of proper divisors (its aliquot sum) s(n): 34439436477520
• 21267616384640 is an abundant number, because the sum of its proper divisors (34439436477520) is greater than itself. Its abundance is 13171820092880

Bases of 21267616384640

• Binary: 100110101011111000000101110000100011010000000₂
• Hexadecimal: 0x1357C0B84680
• Base-36: 7JE7HOJNK

Squares and roots of 21267616384640

• 21267616384640 squared (21267616384640²) is 452311506684207784427929600
• 21267616384640 cubed (21267616384640³) is 9619587610518262354437668610192441344000
• The square root of 21267616384640 is 4611682.5979939251
• The cube root of 21267616384640 is 27705.9431893259

Scales and comparisons

• 21,267,616,384,640 seconds is equal to 676,244 years, 21 weeks, 4 days, 9 hours, 57 minutes, 20 seconds.
• To count from 1 to 21,267,616,384,640 would take you about one million, six hundred ninety thousand, six hundred eleven 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 21267616384640 cubic inches would be around 2308.8 feet tall.

Recreational maths with 21267616384640

• 21267616384640 backwards is 04648361676212
• The number of decimal digits it has is: 14
• The sum of 21267616384640's digits is 56
• More coming soon!