21045832561728

Names of 21045832561728

• Cardinal: 21045832561728 can be written as Twenty-one trillion, forty-five billion, eight hundred thirty-two million, five hundred sixty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1045832561728 × 10¹³

Factors of 21045832561728

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1360

Divisors of 21045832561728

• Number of divisors d(n): 896
• 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 92 96 104 108 113 117 138 144 156 184 192 207 208 216 226 234 276 288 299 312 339 351 368 414 416 432 452 468 547 552 576 598 621 624 659 678 702 736 828 832 864 897 904 936 1017 1094 1104 1196 1242 1248 1318 1356 1404 1469 1472 1641 1656 1728 1794 1808 1872 1977 2034 2188 2208 2392 2484 2496 2599 2636 2691 2712 2808 2938 3051 3282 3312 3588 3616 3744 3954 4068 4376 4407 4416 4784 4923 4968 5198 5272 5382 5424 5616 5876 5931 6102 6564 6624 7111 7176 7232 7488 7797 7908 8073 8136 8567 8752 8814 9568 9846 9936 10396 10544 10764 10848 11232 11752 11862 12204 12581 13128 13221 13248 14222 14352 14769 15157 15594 15816 16146 16272 17134 17504 17628 17793 19136 19692 19872 20792 21088 21333 21528 21696 22464 23391 23504 23724 24408 25162 25701 26256 26442 28444 28704 29538 30314 31188 31632 32292 32544 33787 34268 35008 35256 35586 37743 39384 39663 39744 41584 42176 42666 43056 45471 46782 47008 47448 48816 50324 51402 52512 52884 56888 57408 59076 60628 61811 62376 63264 63999 64584 65088 67574 68536 70173 70512 71172 74467 75486 77103 78768 79326 83168 85332 86112 90942 93564 94016 94896 97632 100648 101361 102804 105024 105768 113229 113776 118152 121256 123622 124752 126528 127998 129168 135148 136413 137072 140346 141024 142344 148934 150972 154206 157536 158652 163553 166336 170664 172224 181884 185433 187128 189792 191997 195264 197041 201296 202722 205608 211536 223401 226458 227552 231309 236304 242512 247244 249504 255996 258336 270296 272826 274144 280692 282048 284688 297868 301944 304083 308412 315072 317304 327106 339687 341328 360473 363768 370866 374256 379584 383994 394082 402592 405444 409239 411216 423072 446802 452916 455104 462618 472608 485024 490659 494488 499008 511992 516672 540592 545652 548288 556299 561384 569376 591123 595736 603888 608166 616824 634608 654212 670203 679374 682656 720946 727536 741732 748512 767988 788164 803543 805184 810888 818478 822432 846144 893604 905832 912249 925236 945216 968071 970048 981318 988976 1023984 1081184 1081419 1091304 1112598 1122768 1138752 1182246 1191472 1207776 1216332 1233648 1269216 1308424 1340406 1358748 1365312 1421653 1441892 1455072 1471977 1483464 1497024 1535976 1576328 1607086 1621776 1636956 1644864 1668897 1712741 1773369 1787208 1811664 1824498 1850472 1936142 1962636 1977952 2010609 2047968 2162368 2162838 2182608 2225196 2245536 2364492 2382944 2410629 2415552 2432664 2467296 2538432 2616848 2680812 2717496 2843306 2883784 2904213 2910144 2943954 2966928 3071952 3152656 3214172 3243552 3244257 3273912 3337794 3425482 3546738 3574416 3623328 3648996 3700944 3872284 3925272 3955904 4021218 4095936 4264959 4325676 4365216 4415931 4450392 4491072 4686149 4728984 4765888 4821258 4865328 4934592 5138223 5233696 5320107 5361624 5434992 5686612 5767568 5808426 5887908 5933856 6143904 6305312 6428344 6487104 6488514 6547824 6675588 6850964 7093476 7148832 7231887 7246656 7297992 7401888 7744568 7850544 8042436 8290879 8529918 8651352 8712639 8730432 8831862 8900784 9372298 9457968 9642516 9730656 9732771 10276446 10467392 10640214 10723248 10869984 11373224 11535136 11616852 11775816 11867712 12287808 12610624 12794877 12856688 12977028 13095648 13351176 13701928 14058447 14186952 14297664 14463774 14595984 14803776 15414669 15489136 15701088 16084872 16581758 17059836 17302704 17425278 17663724 17801568 18481489 18744596 18915936 19285032 19461312 19465542 20552892 21280428 21446496 21695661 21739968 22265633 22746448 23070272 23233704 23551632 24872637 25589754 25713376 25954056 26137917 26191296 26702352 27403856 28116894 28373904 28927548 29191968 30829338 30978272 31402176 32169744 33163516 34119672 34605408 34850556 35327448 35603136 36962978 37489192 37831872 38384631 38570064 38931084 40733449 41105784 42175341 42560856 42892992 43391322 44531266 45492896 46244007 46467408 47103264 49745274 51179508 51426752 51908112 52275834 53404704 54807712 55444467 56233788 56747808 57855096 58383936 61658676 61956544 64339488 66327032 66796899 68239344 69210816 69701112 70654896 73925956 74617911 74978384 76769262 77140128 77862168 81466898 82211568 84350682 85121712 86782644 89062532 90985792 92488014 92934816 94206528 99490548 102359016 103816224 104551668 106809408 107781427 109615424 110888934 112467576 113495616 115710192 122200347 123317352 126526023 128678976 132654064 133593798 136478688 139402224 141309792 147851912 149235822 149956768 153538524 154280256 155724336 162933796 164423136 166333401 168701364 170243424 173565288 178125064 184976028 185869632 198981096 200390697 204718032 207632448 209103336 215562854 221777868 223853733 224935152 231420384 244400694 246634704 253052046 265308128 267187596 272957376 278804448 282619584 295703824 298471644 299913536 307077048 311448672 323344281 325867592 328846272 332666802 337402728 340486848 347130576 356250128 366601041 369952056 397962192 400781394 409436064 418206672 431125708 443555736 447707466 449870304 462840768 488801388 493269408 499000203 506104092 529534837 530616256 534375192 557608896 591407648 596943288 601172091 614154096 622897344 646688562 651735184 665333604 674805456 694261152 712500256 733202082 739904112 795924384 801562788 818872128 836413344 862251416 887111472 895414932 899740608 936869327 970032843 977602776 986538816 998000406 1012208184 1059069674 1068750384 1099803123 1182815296 1193886576 1202344182 1228308192 1293377124 1303470368 1330667208 1349610912 1388522304 1425000512 1466404164 1479808224 1588604511 1591848768 1603125576 1672826688 1724502832 1774222944 1790829864 1873738654 1940065686 1955205552 1996000812 2024416368 2118139348 2137500768 2199606246 2387773152 2404688364 2456616384 2586754248 2606940736 2661334416 2699221824 2810607981 2910098529 2932808328 2959616448 3177209022 3206251152 3449005664 3548445888 3581659728 3747477308 3880131372 3910411104 3992001624 4048832736 4236278696 4275001536 4399212492 4765813533 4775546304 4809376728 5173508496 5322668832 5621215962 5820197058 5865616656 6354418044 6412502304 6898011328 7163319456 7494954616 7760262744 7820822208 7984003248 8097665472 8431823943 8472557392 8798424984 9531627066 9618753456 10347016992 10645337664 11242431924 11640394116 11731233312 12179301251 12708836088 12825004608 14297440599 14326638912 14989909232 15520525488 15968006496 16863647886 16945114784 17596849968 19063254132 19237506912 20694033984 22484863848 23280788232 23462466624 24358602502 25295471829 25417672176 28594881198 29979818464 31041050976 31936012992 33727295772 33890229568 35193699936 36537903753 38126508264 38475013824 44969727696 46561576464 48717205004 50590943658 50835344352 57189762396 59959636928 62082101952 67454591544 70387399872 73075807506 76253016528 89939455392 93123152928 97434410008 101181887316 101670688704 109613711259 114379524792 134909183088 146151615012 152506033056 179878910784 186246305856 194868820016 202363774632 219227422518 228759049584 269818366176 292303230024 305012066112 328841133777 389737640032 404727549264 438454845036 457518099168 539636732352 584606460048 657682267554 779475280064 809455098528 876909690072 915036198336 1169212920096 1315364535108 1618910197056 1753819380144 2338425840192 2630729070216 3507638760288 5261458140432 7015277520576 10522916280864 21045832561728
• Sum of all divisors σ(n): 70377256857600
• Sum of proper divisors (its aliquot sum) s(n): 49331424295872
• 21045832561728 is an abundant number, because the sum of its proper divisors (49331424295872) is greater than itself. Its abundance is 28285591734144

Bases of 21045832561728

• Binary: 100110010010000011101010111111011010001000000₂
• Hexadecimal: 0x13241D5FB440
• Base-36: 7GKBLBIO0

Squares and roots of 21045832561728

• 21045832561728 squared (21045832561728²) is 442927068216290550930345984
• 21045832561728 cubed (21045832561728³) is 9321768914737126773067963874140076900352
• The square root of 21045832561728 is 4587573.7118577179
• The cube root of 21045832561728 is 27609.2983800877

Scales and comparisons

• 21,045,832,561,728 seconds is equal to 669,192 years, 19 weeks, 4 days, 28 minutes, 48 seconds.
• To count from 1 to 21,045,832,561,728 would take you about one million, six hundred seventy-two thousand, nine hundred eighty 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 21045832561728 cubic inches would be around 2300.8 feet tall.

Recreational maths with 21045832561728

• 21045832561728 backwards is 82716523854012
• 21045832561728 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21045832561728's digits is 54
• More coming soon!