21648817512

Names of 21648817512

• Cardinal: 21648817512 can be written as Twenty-one billion, six hundred forty-eight million, eight hundred seventeen thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1648817512 × 10¹⁰

Factors of 21648817512

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 172

Divisors of 21648817512

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 19 21 24 27 28 31 36 37 38 42 54 56 57 62 63 72 73 74 76 81 84 93 108 111 114 124 126 133 146 148 152 162 168 171 186 189 216 217 219 222 228 243 248 252 259 266 279 292 296 324 333 342 372 378 399 434 438 444 456 486 504 511 513 518 532 558 567 584 589 648 651 657 666 684 703 744 756 777 798 837 868 876 888 972 999 1022 1026 1036 1064 1116 1134 1147 1178 1197 1302 1314 1332 1368 1387 1406 1512 1533 1539 1554 1596 1674 1701 1736 1752 1767 1944 1953 1971 1998 2044 2052 2072 2109 2232 2263 2268 2294 2331 2356 2394 2511 2604 2628 2664 2701 2774 2812 2997 3066 3078 3108 3192 3348 3402 3441 3534 3591 3906 3942 3996 4088 4104 4123 4161 4218 4526 4536 4588 4599 4617 4662 4712 4788 4921 5022 5208 5256 5301 5402 5548 5624 5859 5913 5994 6132 6156 6216 6327 6696 6789 6804 6882 6993 7068 7182 7533 7812 7884 7992 8029 8103 8246 8322 8436 8991 9052 9176 9198 9234 9324 9576 9709 9842 10044 10323 10602 10773 10804 11096 11718 11826 11988 12264 12312 12369 12483 12654 13578 13608 13764 13797 13986 14136 14364 14763 15066 15624 15768 15841 15903 16058 16206 16492 16644 16872 17577 17739 17982 18104 18396 18468 18648 18907 18981 19418 19684 20088 20367 20646 20979 21204 21546 21608 21793 23436 23652 23976 24087 24309 24738 24966 25308 27156 27528 27594 27972 28728 29127 29526 30132 30969 31682 31806 32116 32319 32412 32984 33288 35154 35478 35964 36792 36936 37107 37449 37814 37962 38836 39368 40734 41292 41391 41958 42408 42997 43092 43586 44289 46872 47304 47523 47709 48174 48618 49476 49932 50616 51319 52731 54312 55188 55944 56721 56943 58254 59052 60264 61101 61938 62937 63364 63612 64232 64638 64824 65379 70308 70956 71928 72261 72927 74214 74898 75628 75924 77672 81468 82584 82782 83731 83916 85994 86184 87172 87381 88578 92907 95046 95418 96348 97236 98952 99864 102638 105462 110376 111321 112347 113442 113886 116508 118104 122202 123876 124173 125874 126728 127224 128991 129276 130758 132867 140616 141912 142569 143127 144522 145854 148428 149796 151256 151848 152551 153957 162936 165564 167462 167832 170163 170829 171988 174344 174762 177156 183303 185814 190092 190836 192696 194472 196137 205276 210924 216783 218781 222642 224694 226884 227772 233016 244404 247752 248346 251193 251748 257982 258552 261516 262143 265734 278721 285138 286254 289044 291708 296856 299592 300979 305102 307914 331128 333963 334924 337041 340326 341658 343976 349524 354312 359233 366606 371628 380184 381672 386973 392274 398601 410552 421848 427707 433566 437562 445284 449388 453768 455544 457653 461871 488808 496692 502386 503496 510489 515964 523032 524286 531468 549909 557442 570276 572508 578088 583416 586117 588411 601958 610204 615828 650349 656343 667926 669848 674082 680652 683316 699048 718466 733212 743256 753579 773946 784548 786429 797202 855414 867132 875124 890568 898776 902937 915306 923742 993384 1001889 1004772 1020978 1031928 1048572 1062936 1077699 1099818 1114884 1140552 1145016 1160919 1172234 1176822 1195803 1203916 1220408 1231656 1283121 1300698 1312686 1335852 1348164 1361304 1366632 1372959 1385613 1436932 1466424 1507158 1531467 1547892 1569096 1572858 1590889 1594404 1710828 1734264 1750248 1758351 1765233 1805874 1830612 1847484 1951047 2003778 2009544 2041956 2097144 2155398 2199636 2229768 2260737 2321838 2344468 2353644 2359287 2391606 2407832 2566242 2601396 2625372 2671704 2696328 2708811 2745918 2771226 2873864 3014316 3062934 3095784 3145716 3181778 3188808 3233097 3421656 3482757 3516702 3530466 3611748 3661224 3694968 3849363 3902094 4007556 4083912 4118877 4156839 4310796 4399272 4521474 4594401 4643676 4688936 4707288 4718574 4772667 4783212 5132484 5202792 5250744 5275053 5295699 5417622 5491836 5542452 6028632 6125868 6291432 6363556 6466194 6782211 6965514 7033404 7060932 7223496 7698726 7804188 8015112 8126433 8237754 8313678 8621592 9042948 9188802 9287352 9437148 9545334 9566424 9699291 10264968 10448271 10550106 10591398 10835244 10983672 11084904 11136223 12251736 12356631 12470517 12727112 12932388 13564422 13931028 14066808 14121864 14318001 15397452 15608376 15825159 16252866 16475508 16627356 18085896 18377604 18874296 19090668 19398582 20346633 20896542 21100212 21182796 21670488 22272446 24379299 24713262 24941034 25864776 27128844 27862056 28636002 29097873 30794904 31650318 32505732 32951016 33254712 33408669 36755208 37069893 38181336 38797164 40693266 41793084 42200424 42365592 42954003 44544892 47475477 48758598 49426524 49882068 54257688 57272004 58195746 63300636 65011464 66817338 73137897 74139786 77594328 81386532 83586168 85908006 87293619 89089784 94950954 97517196 98853048 99764136 100226007 114544008 116391492 126601272 128862009 133634676 142426431 146275794 148279572 162773064 171816012 174587238 189901908 195034392 200452014 232782984 257724018 267269352 284852862 292551588 296559144 300678021 343632024 349174476 379803816 386586027 400904028 515448036 569705724 585103176 601356042 698348952 773172054 801808056 902034063 1030896072 1139411448 1202712084 1546344108 1804068126 2405424168 2706102189 3092688216 3608136252 5412204378 7216272504 10824408756 21648817512
• Sum of all divisors σ(n): 78610022400
• Sum of proper divisors (its aliquot sum) s(n): 56961204888
• 21648817512 is an abundant number, because the sum of its proper divisors (56961204888) is greater than itself. Its abundance is 35312387376

Bases of 21648817512

• Binary: 10100001010010111101011110101101000₂
• Hexadecimal: 0x50A5EBD68
• Base-36: 9Y15AI0

Squares and roots of 21648817512

• 21648817512 squared (21648817512²) is 468671299667877870144
• 21648817512 cubed (21648817512³) is 10146179439621754219050689161728
• The square root of 21648817512 is 147135.3713829547
• The cube root of 21648817512 is 2787.0497846945

Scales and comparisons

• 21,648,817,512 seconds is equal to 688 years, 19 weeks, 25 minutes, 12 seconds.
• To count from 1 to 21,648,817,512 would take you about one thousand, three hundred seventy-six 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 21648817512 cubic inches would be around 232.3 feet tall.

Recreational maths with 21648817512

• 21648817512 backwards is 21571884612
• The number of decimal digits it has is: 11
• The sum of 21648817512's digits is 45
• More coming soon!