21628019721672

Names of 21628019721672

• Cardinal: 21628019721672 can be written as Twenty-one trillion, six hundred twenty-eight billion, nineteen million, seven hundred twenty-one thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1628019721672 × 10¹³

Factors of 21628019721672

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 18359

Divisors of 21628019721672

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 17 18 21 24 26 28 34 36 39 42 47 51 52 56 63 68 72 78 84 91 94 102 104 117 119 126 136 141 153 156 168 182 188 204 221 229 234 238 252 273 282 306 312 329 357 364 376 408 423 442 458 468 476 504 546 564 611 612 658 663 687 714 728 799 819 846 884 916 936 952 987 1071 1092 1128 1222 1224 1316 1326 1374 1428 1547 1598 1603 1638 1692 1768 1832 1833 1974 1989 2061 2142 2184 2397 2444 2632 2652 2748 2856 2961 2977 3094 3196 3206 3276 3384 3666 3893 3948 3978 4122 4277 4284 4641 4794 4809 4888 5304 5496 5499 5593 5922 5954 6188 6392 6412 6552 7191 7332 7786 7896 7956 8244 8554 8568 8931 9282 9588 9618 10387 10763 10998 11186 11679 11844 11908 12376 12824 12831 13923 14382 14427 14664 15572 15912 16488 16779 17108 17862 18041 18564 19176 19236 20774 20839 21526 21996 22372 23358 23688 23816 25662 26793 27251 27846 28764 28854 31144 31161 32289 33558 34216 35037 35724 36082 37128 38472 38493 41548 41678 43052 43992 44744 46716 50337 50609 51324 53586 54123 54502 55692 57528 57708 62322 62517 64578 67116 70074 71448 72164 72709 75341 76986 81753 83096 83356 86104 93432 93483 96867 100674 101218 102648 107172 108246 109004 111384 115416 124644 125034 126287 129156 134232 139919 140148 144328 145418 150682 151827 153972 162369 163506 166712 182971 186966 187551 193734 201348 202436 214344 216492 218008 218127 226023 234533 245259 249288 250068 252574 258312 279838 280296 290836 301364 303654 306697 307944 324738 327012 354263 365942 373932 375102 378861 387468 402696 404872 419757 432984 436254 452046 455481 469066 490518 500136 505148 548913 559676 581672 602728 607308 613394 649476 654024 654381 678069 703599 708526 731884 747864 750204 757722 774936 839514 847927 872508 904092 910962 920091 938132 979433 981036 1010296 1062789 1097826 1119352 1136583 1214616 1226788 1259271 1280797 1298952 1308762 1356138 1407198 1417052 1463768 1500408 1515444 1641731 1646739 1679028 1695854 1745016 1808184 1821924 1840182 1876264 1958866 1962072 2110797 2125578 2146879 2195652 2273166 2378623 2453576 2518542 2543781 2561594 2617524 2712276 2760273 2814396 2834104 2938299 3030888 3188367 3283462 3293478 3358056 3391708 3643848 3680364 3842391 3917732 3987061 4131389 4221594 4251156 4293758 4391304 4546332 4757246 4925193 5037084 5087562 5123188 5235048 5424552 5520546 5628792 5876598 5935489 6376734 6440637 6566924 6586956 6783416 7135869 7360728 7631343 7684782 7835464 7974122 8262778 8443188 8502312 8587516 8814897 9092664 9514492 9850386 10074168 10175124 10246376 11023051 11041092 11527173 11753196 11870978 11961183 12394167 12753468 12881274 13133848 13173912 14271738 14414759 14775579 15262686 15369564 15948244 16525556 16650361 16886376 17175032 17629794 17806467 19028984 19321911 19700772 20350248 21407607 22046102 22082184 23054346 23506392 23741956 23922366 24788334 25506936 25762548 27909427 28543476 28829518 28919723 29551158 30525372 30739128 31896488 33051112 33069153 33300722 35259588 35612934 35883549 37182501 38643822 39401544 42815214 43244277 44092204 46108692 47483912 47844732 49576668 49951083 51525096 53419401 53708057 55818854 57086952 57659036 57839446 59102316 61050744 66138306 66601444 70233613 70519176 71225868 71767098 74365002 77161357 77287644 83728281 85630428 86488554 86759169 88184408 92217384 95689464 99153336 99207459 99902166 100903313 106838802 107416114 111637708 115318072 115678892 118204632 129732831 132276612 133202888 140467226 142451736 143534196 148730004 149853249 154322714 154575288 161124171 167456562 171260856 172977108 173518338 187391867 194175283 198414918 199804332 201806626 210700839 213677604 214832228 223275416 231357784 231484071 251184843 259465662 260277507 264553224 280934452 287068392 297460008 299706498 302709939 308645428 322248342 334913124 345954216 347036676 374783734 375956399 388350566 396829836 399608664 403613252 421401678 427355208 429664456 462968142 483372513 491635291 502369686 518931324 520555014 561868904 562175601 582525849 599412996 605419878 617290856 632102517 644496684 669826248 694073352 694452213 749567468 751912798 776701132 793659672 807226504 842803356 908129817 913036969 925936284 966745026 983270582 1004739372 1037862648 1041110028 1124351202 1127869197 1165051698 1198825992 1210839756 1264205034 1288993368 1311743069 1359226981 1388904426 1474905873 1499134936 1503825596 1553402264 1685606712 1686526803 1747577547 1816259634 1826073938 1851872568 1933490052 1966541164 2009478744 2082220056 2248702404 2255738394 2330103396 2421679512 2524278679 2528410068 2623486138 2718453962 2739110907 2777808852 2949811746 3007651192 3300979811 3373053606 3383607591 3495155094 3632519268 3652147876 3866980104 3933082328 3935229207 4077680943 4424717619 4497404808 4511476788 4660206792 5048557358 5056820136 5246972276 5436907924 5478221814 5555617704 5899623492 6391258783 6601959622 6746107212 6767215182 6990310188 7265038536 7304295752 7572836037 7870458414 8155361886 8217332721 8849435238 9022953576 9902939433 10097114716 10493944552 10873815848 10956443628 11799246984 11805687621 12233042829 12782517566 13203919244 13492214424 13534430364 13980620376 15145672074 15740916828 16310723772 16434665442 17669950753 17698870476 19173776349 19805878866 20194229432 21912887256 22718508111 23106858677 23611375242 24466085658 25565035132 26407838488 27068860728 29708818299 30291344148 31481833656 32621447544 32869330884 35339901506 35397740952 38347552698 39611757732 42912737543 45437016222 46213717354 47222750484 48932171316 51130070264 53009852259 57521329047 59417636598 60582688296 65738661768 69320576031 70679803012 76695105396 79223515464 85825475086 90874032444 92427434708 94445500968 97864342632 106019704518 115042658094 118835273196 128738212629 138641152062 141359606024 153390210792 159029556777 171650950172 181748064888 184854869416 207961728093 212039409036 230085316188 237670546392 257476425258 277282304124 300389162801 318059113554 343301900344 386214637887 415923456186 424078818072 460170632376 514952850516 554564608248 600778325602 636118227108 772429275774 831846912372 901167488403 1029905701032 1201556651204 1272236454216 1544858551548 1663693824744 1802334976806 2403113302408 2703502465209 3089717103096 3604669953612 5407004930418 7209339907224 10814009860836 21628019721672
• Sum of all divisors σ(n): 78303088281600
• Sum of proper divisors (its aliquot sum) s(n): 56675068559928
• 21628019721672 is an abundant number, because the sum of its proper divisors (56675068559928) is greater than itself. Its abundance is 35047048838256

Bases of 21628019721672

• Binary: 100111010101110101010011011101100010111001000₂
• Hexadecimal: 0x13ABAA6EC5C8
• Base-36: 7NZRWIUA0

Squares and roots of 21628019721672

• 21628019721672 squared (21628019721672²) is 467771237081032976346475584
• 21628019721672 cubed (21628019721672³) is 10116965540819489958791354619701823656448
• The square root of 21628019721672 is 4650593.4805863217
• The cube root of 21628019721672 is 27861.5700230745

Scales and comparisons

• 21,628,019,721,672 seconds is equal to 687,704 years, 6 weeks, 4 days, 8 hours, 1 minute, 12 seconds.
• To count from 1 to 21,628,019,721,672 would take you about one million, seven hundred nineteen thousand, two hundred sixty 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 21628019721672 cubic inches would be around 2321.8 feet tall.

Recreational maths with 21628019721672

• 21628019721672 backwards is 27612791082612
• The number of decimal digits it has is: 14
• The sum of 21628019721672's digits is 54
• More coming soon!