21289635727668

Names of 21289635727668

• Cardinal: 21289635727668 can be written as Twenty-one trillion, two hundred eighty-nine billion, six hundred thirty-five million, seven hundred twenty-seven thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1289635727668 × 10¹³

Factors of 21289635727668

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 311

Divisors of 21289635727668

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 28 31 33 36 42 44 62 63 66 77 84 93 99 121 124 126 132 154 186 198 217 231 242 252 257 279 308 341 363 372 396 434 462 484 514 558 651 682 693 726 771 847 868 924 961 1023 1028 1089 1116 1302 1331 1364 1386 1452 1542 1694 1799 1922 1953 2046 2178 2313 2387 2541 2604 2662 2772 2827 2883 3069 3084 3388 3598 3751 3844 3906 3993 4092 4356 4626 4774 5082 5324 5397 5654 5766 6138 6727 7161 7196 7502 7623 7812 7967 7986 8481 8649 9252 9317 9548 10164 10571 10794 11253 11308 11532 11979 12276 13454 14322 15004 15246 15934 15972 16191 16962 17298 18634 19789 20181 21142 21483 21588 22506 23901 23958 25443 26257 26908 27951 28644 30492 31097 31713 31868 32382 33759 33924 34596 37268 39578 40362 41261 42284 42966 45012 47802 47916 50886 52514 55769 55902 59367 60543 62194 63426 64764 66049 67518 71703 73997 78771 79156 80724 82522 83853 85932 87637 93291 95139 95604 101772 105028 111538 111804 116281 118734 121086 123783 124388 126852 132098 135036 143406 147994 157542 165044 167307 167706 175274 178101 186582 190278 198147 217679 221991 223076 232562 236313 237468 242172 246977 247566 262911 264196 279873 286812 288827 295988 315084 334614 335412 342067 348843 350548 356202 371349 373164 380556 396294 435358 443982 462343 465124 472626 493954 495132 501921 525822 559746 577654 594441 613459 653037 665973 669228 684134 697686 712404 726539 740931 742698 788733 792588 813967 866481 870716 887964 924686 945252 964007 987908 1003842 1026201 1046529 1051644 1119492 1155308 1188882 1226918 1279091 1306074 1331946 1368268 1387029 1395372 1453078 1481862 1485396 1577466 1627934 1728839 1732962 1840377 1849372 1928014 1959111 2007684 2047519 2052402 2093058 2179617 2222793 2377764 2394469 2441901 2453836 2558182 2599443 2612148 2663892 2716747 2774058 2892021 2906156 2963724 3078603 3154932 3255868 3457678 3465924 3680754 3837273 3856028 3918222 4095038 4104804 4161087 4186116 4359234 4445586 4788938 4883802 5085773 5116364 5186517 5198886 5433494 5521131 5548116 5784042 6142557 6157206 6538851 6748049 6915356 7183407 7325703 7361508 7674546 7836444 7991929 8150241 8190076 8322174 8676063 8718468 8891172 8953637 9577876 9767604 10171546 10373034 10397772 10604077 10866988 11042262 11511819 11568084 12285114 12314412 13077702 13496098 14332633 14366814 14651406 15257319 15349092 15559551 15983858 16300482 16644348 17352126 17907274 18427671 19017229 20244147 20343092 20746068 21208154 21550221 22084524 22522709 23023638 23975787 24450723 24570228 26155404 26860911 26992196 28665266 28733628 29302812 29884217 30514638 31119102 31812231 31967716 32600964 34704252 35814548 36855342 38034458 40488294 42416308 42997899 43100442 45045418 45771957 46047276 47951574 48901446 53721822 55943503 57051687 57330532 59768434 60732441 61029276 62238204 63473089 63624462 67568127 71927361 73710684 74228539 76068916 80582733 80976588 85995798 86200884 87911219 89652651 90090836 91543914 95436693 95903148 97802892 107443644 111887006 114103374 119536868 121464882 126946178 127248924 128993697 135136254 143854722 148457078 157658963 161165466 167830509 171155061 171991596 175822438 179305302 183087828 190419267 190873386 202704381 209189519 222685617 223774012 228206748 242929764 247749799 253892356 257987394 263733657 268957953 270272508 287709444 296914156 315317926 322330932 328726387 335661018 342310122 351644876 358610604 380838534 381746772 405408762 418379038 444311623 445371234 472976889 495499598 503491527 515974788 527467314 537915906 571257801 615378533 627568557 630635852 657452774 668056851 671322036 684620244 698203979 743249397 761677068 791200971 810817524 836758076 888623246 890742468 945953778 986179161 990999196 1006983054 1054934628 1075831812 1142515602 1230757066 1255137114 1314905548 1332934869 1336113702 1396407958 1418930667 1486498794 1582401942 1734248593 1777246492 1846135599 1882705671 1891907556 1972358322 2013966108 2094611937 2229748191 2285031204 2301084709 2461514132 2510274228 2665869738 2672227404 2725247789 2792815916 2837861334 2958537483 2972997588 3164803884 3468497186 3692271198 3765411342 3944716644 3998804607 4189223874 4459496382 4602169418 4887427853 5202745779 5331739476 5450495578 5538406797 5675722668 5917074966 6283835811 6903254127 6936994372 7384542396 7530822684 7680243769 7997609214 8175743367 8378447748 8918992764 9204338836 9774855706 10405491558 10900991156 11076813594 11834149932 12567671622 13806508254 14662283559 15360487538 15608237337 15995218428 16351486734 19076734523 19549711412 20709762381 20810983116 22153627188 23040731307 24527230101 25135343244 27613016508 29324567118 30720975076 31216474674 32702973468 38153469046 41419524762 43986850677 46081462614 49054460202 53761706383 57230203569 58649134236 62432949348 69122193921 76306938092 82839049524 84482681459 87973701354 92162925228 98108920404 107523412766 114460407138 138244387842 161285119149 168965362918 171690610707 175947402708 215046825532 228920814276 253448044377 276488775684 322570238298 337930725836 343381221414 483855357447 506896088754 591378770213 645140476596 686762442828 760344133131 967710714894 1013792177508 1182757540426 1520688266262 1774136310639 1935421429788 2365515080852 3041376532524 3548272621278 5322408931917 7096545242556 10644817863834 21289635727668
• Sum of all divisors σ(n): 70174783852992
• Sum of proper divisors (its aliquot sum) s(n): 48885148125324
• 21289635727668 is an abundant number, because the sum of its proper divisors (48885148125324) is greater than itself. Its abundance is 27595512397656

Bases of 21289635727668

• Binary: 100110101110011100001001011001100100100110100₂
• Hexadecimal: 0x135CE12CC934
• Base-36: 7JOBNFHH0

Squares and roots of 21289635727668

• 21289635727668 squared (21289635727668²) is 453248589416797771860718224
• 21289635727668 cubed (21289635727668³) is 9649497362762981995470362881153348621632
• The square root of 21289635727668 is 4614069.3241073003
• The cube root of 21289635727668 is 27715.5016377765

Scales and comparisons

• 21,289,635,727,668 seconds is equal to 676,944 years, 29 weeks, 1 day, 22 hours, 7 minutes, 48 seconds.
• To count from 1 to 21,289,635,727,668 would take you about one million, six hundred ninety-two thousand, three hundred sixty-one 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 21289635727668 cubic inches would be around 2309.6 feet tall.

Recreational maths with 21289635727668

• 21289635727668 backwards is 86672753698212
• The number of decimal digits it has is: 14
• The sum of 21289635727668's digits is 72
• More coming soon!