21507241896

Names of 21507241896

• Cardinal: 21507241896 can be written as Twenty-one billion, five hundred seven million, two hundred forty-one thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 2.1507241896 × 10¹⁰

Factors of 21507241896

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 183

Divisors of 21507241896

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 37 42 49 56 61 63 72 73 74 84 98 111 122 126 146 147 148 168 183 196 219 222 244 252 259 292 294 296 333 366 392 427 438 441 444 488 504 511 518 549 584 588 657 666 732 777 854 876 882 888 1022 1036 1098 1176 1281 1314 1332 1369 1464 1533 1554 1708 1752 1764 1813 2044 2072 2196 2257 2331 2562 2628 2664 2701 2738 2989 3066 3108 3416 3528 3577 3626 3843 4088 4107 4392 4453 4514 4599 4662 5124 5256 5402 5439 5476 5978 6132 6216 6771 7154 7252 7686 8103 8214 8906 8967 9028 9198 9324 9583 10248 10731 10804 10878 10952 11956 12264 12321 13359 13542 14308 14504 15372 15799 16206 16317 16428 17812 17934 18056 18396 18648 18907 19166 20313 21462 21608 21756 23912 24309 24642 26718 26901 27084 28616 28749 30744 31171 31598 32193 32412 32634 32856 35624 35868 36792 37814 38332 40077 40626 42924 43512 47397 48618 49284 53436 53802 54168 56721 57498 62342 63196 64386 64824 65268 67081 71736 75628 76664 80154 81252 83509 85848 86247 93513 94794 97236 98568 99937 106872 107604 110593 113442 114996 124684 126392 128772 130536 132349 134162 142191 151256 160308 162504 164761 167018 170163 172494 187026 189588 194472 199874 201243 215208 218197 221186 226884 229992 249368 250527 257544 264698 268324 280539 284382 299811 320616 329522 331779 334036 340326 344988 374052 379176 397047 399748 402486 436394 442372 453768 494283 501054 529396 536648 561078 568764 584563 599622 603729 654591 659044 663558 668072 680652 689976 699559 748104 751581 794094 799496 804972 872788 884744 899433 988566 995337 1002108 1058792 1122156 1137528 1153327 1169126 1191141 1199244 1207458 1309182 1318088 1327116 1361304 1399118 1482849 1503162 1588188 1609944 1745576 1753689 1798866 1963773 1977132 1990674 2004216 2098677 2244312 2306654 2338252 2382282 2398488 2414916 2618364 2654232 2798236 2965698 3006324 3176376 3459981 3507378 3597732 3927546 3954264 3981348 4091941 4197354 4613308 4676504 4764564 4829832 4896913 5236728 5261067 5596472 5931396 6012648 6096157 6296031 6919962 7014756 7195464 7855092 7962696 8073289 8183882 8394708 9226616 9529128 9793826 10379943 10522134 11862792 12192314 12275823 12592062 13839924 14029512 14690739 15710184 16146578 16367764 16789416 18288471 19587652 20759886 21044268 24219867 24384628 24551646 25184124 27679848 29381478 32293156 32735528 36576942 36827469 39175304 41519772 42088536 42673099 44072217 48439734 48769256 49103292 50368248 54865413 58762956 64586312 72659601 73153884 73654938 83039544 85346198 88144434 96879468 98206584 109730826 117525912 128019297 145319202 146307768 147309876 170692396 176288868 193758936 219461652 256038594 290638404 294619752 298711693 341384792 352577736 384057891 438923304 512077188 581276808 597423386 768115782 896135079 1024154376 1194846772 1536231564 1792270158 2389693544 2688405237 3072463128 3584540316 5376810474 7169080632 10753620948 21507241896
• Sum of all divisors σ(n): 71750837340
• Sum of proper divisors (its aliquot sum) s(n): 50243595444
• 21507241896 is an abundant number, because the sum of its proper divisors (50243595444) is greater than itself. Its abundance is 28736353548

Bases of 21507241896

• Binary: 10100000001111011100111011110101000₂
• Hexadecimal: 0x501EE77A8
• Base-36: 9VOUU20

Squares and roots of 21507241896

• 21507241896 squared (21507241896²) is 462561453973057674816
• 21507241896 cubed (21507241896³) is 9948421082364021679027019291136
• The square root of 21507241896 is 146653.4755674069
• The cube root of 21507241896 is 2780.9610524001

Scales and comparisons

• 21,507,241,896 seconds is equal to 683 years, 44 weeks, 6 days, 9 hours, 51 minutes, 36 seconds.
• To count from 1 to 21,507,241,896 would take you about one thousand, three hundred sixty-seven 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 21507241896 cubic inches would be around 231.7 feet tall.

Recreational maths with 21507241896

• 21507241896 backwards is 69814270512
• The number of decimal digits it has is: 11
• The sum of 21507241896's digits is 45
• More coming soon!