21550461391872

Names of 21550461391872

• Cardinal: 21550461391872 can be written as Twenty-one trillion, five hundred fifty billion, four hundred sixty-one million, three hundred ninety-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.1550461391872 × 10¹³

Factors of 21550461391872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 5165

Divisors of 21550461391872

• Number of divisors d(n): 792
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 84 96 98 108 112 126 128 144 147 162 168 189 192 196 216 224 243 252 256 288 294 324 336 343 378 384 392 432 441 448 486 504 512 567 576 588 648 672 686 756 768 784 864 882 896 972 1008 1024 1029 1134 1152 1176 1296 1323 1344 1372 1512 1536 1568 1701 1728 1764 1792 1944 2016 2058 2268 2304 2352 2401 2592 2646 2688 2744 3024 3072 3087 3136 3402 3456 3528 3584 3888 3969 4032 4116 4536 4608 4704 4802 5153 5184 5292 5376 5488 6048 6174 6272 6804 6912 7056 7168 7203 7776 7938 8064 8232 9072 9216 9261 9408 9604 10306 10368 10584 10752 10976 11907 12096 12348 12544 13608 13824 14112 14406 15459 15552 15876 16128 16464 16807 18144 18522 18816 19208 20612 20736 21168 21504 21609 21952 23814 24192 24696 25088 27216 27648 27783 28224 28812 30918 31104 31752 32256 32928 33614 36071 36288 37044 37632 38416 41224 41472 42336 43218 43904 46377 47628 48384 49392 50176 50421 54432 55566 56448 57624 61836 62208 63504 64512 64827 65856 67228 72142 72576 74088 75264 76832 82448 82944 83349 84672 86436 87808 92754 95256 96768 98784 100842 108213 108864 111132 112896 115248 123672 124416 127008 129654 131712 134456 139131 144284 145152 148176 150528 151263 153664 164896 166698 169344 172872 175616 185508 190512 193536 194481 197568 201684 216426 217728 222264 225792 230496 247344 248832 252497 254016 259308 263424 268912 278262 288568 290304 296352 302526 307328 324639 329792 333396 338688 345744 351232 371016 381024 388962 395136 403368 417393 432852 435456 444528 451584 453789 460992 494688 504994 508032 518616 526848 537824 556524 577136 580608 583443 592704 605052 614656 649278 659584 666792 677376 691488 742032 757491 762048 777924 790272 806736 834786 865704 870912 889056 907578 921984 973917 989376 1009988 1016064 1037232 1053696 1075648 1113048 1154272 1166886 1185408 1210104 1229312 1252179 1298556 1319168 1333584 1354752 1361367 1382976 1484064 1514982 1524096 1555848 1580544 1613472 1669572 1731408 1741824 1767479 1778112 1815156 1843968 1947834 1978752 2019976 2032128 2074464 2151296 2226096 2272473 2308544 2333772 2370816 2420208 2458624 2504358 2597112 2638336 2667168 2722734 2765952 2921751 2968128 3029964 3048192 3111696 3161088 3226944 3339144 3462816 3534958 3556224 3630312 3687936 3895668 3957504 4039952 4064256 4084101 4148928 4302592 4452192 4544946 4617088 4667544 4741632 4840416 5008716 5194224 5276672 5302437 5334336 5445468 5531904 5843502 5936256 6059928 6096384 6223392 6453888 6678288 6817419 6925632 7069916 7112448 7260624 7375872 7791336 7915008 8079904 8168202 8297856 8605184 8765253 8904384 9089892 9234176 9335088 9483264 9680832 10017432 10388448 10604874 10668672 10890936 11063808 11687004 11872512 12119856 12192768 12372353 12446784 12907776 13356576 13634838 13851264 14139832 14224896 14521248 15582672 15830016 15907311 16159808 16336404 16595712 17210368 17530506 17808768 18179784 18468352 18670176 19361664 20034864 20452257 20776896 21209748 21337344 21781872 22127616 23374008 23745024 24239712 24744706 24893568 25815552 26713152 27269676 27702528 28279664 28449792 29042496 31165344 31814622 32319616 32672808 33191424 35061012 35617536 36359568 36936704 37117059 37340352 38723328 40069728 40904514 41553792 42419496 42674688 43563744 46748016 47490048 47721933 48479424 49489412 49787136 51631104 53426304 54539352 55405056 56559328 58084992 61356771 62330688 63629244 64639232 65345616 66382848 70122024 71235072 72719136 74234118 74680704 77446656 80139456 81809028 83107584 84838992 85349376 86606471 87127488 93496032 95443866 96958848 98978824 99574272 106852608 109078704 110810112 111351177 113118656 116169984 122713542 124661376 127258488 129278464 130691232 140244048 142470144 143165799 145438272 148468236 149361408 154893312 160278912 163618056 166215168 169677984 173212942 174254976 186992064 190887732 193917696 197957648 199148544 213705216 218157408 222702354 226237312 232339968 245427084 249322752 254516976 258556928 259819413 261382464 280488096 286331598 290876544 296936472 298722816 320557824 327236112 332430336 334053531 339355968 346425884 348509952 373984128 381775464 387835392 395915296 427410432 429497397 436314816 445404708 452474624 464679936 490854168 498645504 509033952 519638826 522764928 560976192 572663196 581753088 593872944 597445632 641115648 654472224 668107062 678711936 692851768 697019904 747968256 763550928 775670784 779458239 791830592 858994794 872629632 890809416 904949248 981708336 997291008 1002160593 1018067904 1039277652 1045529856 1121952384 1145326392 1163506176 1187745888 1282231296 1308944448 1336214124 1357423872 1385703536 1394039808 1495936512 1527101856 1558916478 1583661184 1717989588 1745259264 1781618832 1809898496 1963416672 2004321186 2036135808 2078555304 2091059712 2243904768 2290652784 2327012352 2338374717 2375491776 2617888896 2672428248 2714847744 2771407072 2991873024 3006481779 3054203712 3117832956 3167322368 3435979176 3490518528 3563237664 3926833344 4008642372 4072271616 4157110608 4182119424 4487809536 4581305568 4676749434 4750983552 5235777792 5344856496 5429695488 5542814144 6012963558 6108407424 6235665912 6334644736 6871958352 6981037056 7015124151 7126475328 7853666688 8017284744 8144543232 8314221216 8975619072 9162611136 9353498868 9501967104 10471555584 10689712992 11085628288 12025927116 12216814848 12471331824 12669289472 13743916704 14030248302 14252950656 15707333376 16034569488 16289086464 16628442432 18325222272 18706997736 19003934208 20943111168 21045372453 21379425984 22171256576 24051854232 24433629696 24942663648 27487833408 28060496604 28505901312 31414666752 32069138976 33256884864 36650444544 37413995472 38007868416 42090744906 42758851968 44342513152 48103708464 48867259392 49885327296 54975666816 56120993208 57011802624 62829333504 64138277952 66513769728 73300889088 74827990944 84181489812 85517703936 88685026304 96207416928 99770654592 109951333632 112241986416 114023605248 128276555904 133027539456 146601778176 149655981888 168362979624 171035407872 192414833856 199541309184 219902667264 224483972832 256553111808 266055078912 299311963776 336725959248 342070815744 384829667712 399082618368 439805334528 448967945664 513106223616 598623927552 673451918496 769659335424 798165236736 897935891328 1026212447232 1197247855104 1346903836992 1539318670848 1795871782656 2394495710208 2693807673984 3078637341696 3591743565312 5387615347968 7183487130624 10775230695936 21550461391872
• Sum of all divisors σ(n): 75300340280256
• Sum of proper divisors (its aliquot sum) s(n): 53749878888384
• 21550461391872 is an abundant number, because the sum of its proper divisors (53749878888384) is greater than itself. Its abundance is 32199417496512

Bases of 21550461391872

• Binary: 100111001100110011011100110001001010000000000₂
• Hexadecimal: 0x13999B989400
• Base-36: 7N058AO00

Squares and roots of 21550461391872

• 21550461391872 squared (21550461391872²) is 464422386202565659547664384
• 21550461391872 cubed (21550461391872³) is 10008516703379458671993029086743361486848
• The square root of 21550461391872 is 4642247.4505213529
• The cube root of 21550461391872 is 27828.2261629171

Scales and comparisons

• 21,550,461,391,872 seconds is equal to 685,238 years, 4 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,550,461,391,872 would take you about one million, seven hundred thirteen thousand and ninety-five 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 21550461391872 cubic inches would be around 2319 feet tall.

Recreational maths with 21550461391872

• 21550461391872 backwards is 27819316405512
• 21550461391872 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21550461391872's digits is 54
• More coming soon!