21445039864521

Names of 21445039864521

• Cardinal: 21445039864521 can be written as Twenty-one trillion, four hundred forty-five billion, thirty-nine million, eight hundred sixty-four thousand, five hundred twenty-one.

Scientific notation

• Scientific notation: 2.1445039864521 × 10¹³

Factors of 21445039864521

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 464

Divisors of 21445039864521

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 7 9 13 19 21 27 39 57 63 73 91 117 133 169 171 189 219 247 273 349 351 361 399 507 511 513 657 741 819 949 1047 1083 1183 1197 1387 1521 1533 1729 1971 2223 2443 2457 2527 2847 3141 3211 3249 3549 3591 4161 4537 4563 4599 4693 5187 5329 6631 6643 6669 7329 7581 8541 9423 9633 9709 9747 10647 12337 12483 13611 13797 14079 15561 15987 18031 19893 19929 21987 22477 22743 25477 25623 26353 28899 29127 31759 31941 32851 37011 37303 37449 40833 42237 46417 46683 47961 54093 58981 59679 59787 61009 65961 67431 68229 69277 76431 79059 86203 86359 86697 87381 95277 98553 101251 111033 111909 122499 125989 126217 126711 139251 143883 162279 176943 178339 179037 179361 183027 184471 202293 207831 229293 234403 237177 258609 259077 262143 285831 295659 303753 331201 333099 335727 342589 377967 378651 412867 417753 427063 484063 484939 486837 530829 535017 549081 553413 603421 606879 623493 687879 703209 708757 711531 775827 777231 857493 881923 886977 900601 911259 993603 1007181 1027767 1120639 1133901 1135953 1238601 1253259 1281189 1316263 1452189 1454817 1592487 1605051 1637857 1640821 1647243 1660239 1810263 1859821 1870479 1923769 2109627 2126271 2318407 2327481 2331693 2398123 2645769 2701803 2733777 2980809 3083301 3361917 3388441 3401703 3407859 3715803 3843567 3948789 4305613 4356567 4364451 4453657 4815153 4913571 4922463 4980717 5430789 5579463 5771307 6292819 6304207 6328881 6378813 6955221 7194369 7844473 7937307 8105409 8942427 9197197 9213841 9249903 10085751 10165323 11147409 11464999 11530701 11846367 12916839 13018747 13069701 13093353 13360971 13466383 14740713 14767389 16292367 16738389 17111419 17313921 18878457 18912621 19136439 20865663 21292141 21583107 23533419 23811921 24177673 24316227 25008997 27591591 27641523 30139291 30257253 30495969 31175599 34394997 35336599 35539101 38750517 39056241 40082913 40399149 44049733 44222139 44302167 50215167 51334257 51941763 56635371 56737863 62596989 63876423 64380379 64749321 70600257 72533019 75026991 81806647 82774773 82924569 90417873 91487907 93526797 103184991 106009797 116251551 117168723 119563561 119779933 120248739 121197447 132149199 149044987 154002771 169243711 169906113 170213589 175062979 191629269 193141137 211800771 217599057 225080973 245419941 247356193 248324319 248773707 271253619 280580391 309554973 314309749 318029391 325116961 351506169 358690683 359339799 363592341 396447597 447134961 459375787 462008313 507731133 525188937 572646529 574887807 579423411 652797171 671395381 675242919 736259823 742068579 813760857 836944927 841741173 942929247 954088173 975350883 1076072049 1078019397 1189342791 1341404883 1378127361 1523193399 1554326293 1575566811 1717939587 1738270233 2014186143 2200168243 2208779469 2226205737 2275818727 2510834781 2828787741 2926052649 3215630509 3228216147 3234058191 4024214649 4134382083 4569580197 4662978879 4699767667 4726700433 5153818761 5971885231 6042558429 6600504729 6678617211 6827456181 7532504343 8486363223 8728139953 8778157947 9646891527 10880284051 12403146249 13988936637 14099303001 15461456283 17915655693 18127675287 19801514187 20482368543 22597513029 26184419859 28940674581 32640852153 41803196617 41966809911 42297909003 53746967079 59404542561 61096979671 61447105629 78553259577 86822023743 97922556459 113465819389 125409589851 126893727009 161240901237 183290939013 235659778731 293767669377 340397458167 376228769553 549872817039 794260735723 1021192374501 1128686308659 1649618451117 2382782207169 3063577123503 7148346621507 21445039864521
• Sum of all divisors σ(n): 42191897328000
• Sum of proper divisors (its aliquot sum) s(n): 20746857463479
• 21445039864521 is a deficient number, because the sum of its proper divisors (20746857463479) is less than itself. Its deficiency is 698182401042

Bases of 21445039864521

• Binary: 100111000000100001111111110111011101011001001₂
• Hexadecimal: 0x13810FFBBAC9
• Base-36: 7LNPR1GW9

Squares and roots of 21445039864521

• 21445039864521 squared (21445039864521²) is 459889734790894870034559441
• 21445039864521 cubed (21445039864521³) is 9862353695874730743950282497210561492761
• The square root of 21445039864521 is 4630878.9516160969
• The cube root of 21445039864521 is 27782.7748409947

Scales and comparisons

• 21,445,039,864,521 seconds is equal to 681,885 years, 48 weeks, 3 days, 21 hours, 55 minutes, 21 seconds.
• To count from 1 to 21,445,039,864,521 would take you about one million, seven hundred four thousand, seven hundred fourteen 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 21445039864521 cubic inches would be around 2315.2 feet tall.

Recreational maths with 21445039864521

• 21445039864521 backwards is 12546893054412
• The number of decimal digits it has is: 14
• The sum of 21445039864521's digits is 54
• More coming soon!