21221891460

Names of 21221891460

• Cardinal: 21221891460 can be written as Twenty-one billion, two hundred twenty-one million, eight hundred ninety-one thousand, four hundred sixty.

Scientific notation

• Scientific notation: 2.122189146 × 10¹⁰

Factors of 21221891460

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2878

Divisors of 21221891460

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 27 28 30 33 35 36 42 44 45 54 55 60 61 63 66 70 77 81 84 90 99 105 108 110 122 126 132 135 140 154 162 165 180 183 189 198 210 220 231 244 252 270 297 305 308 315 324 330 366 378 385 396 405 420 427 462 495 540 549 567 594 610 630 660 671 693 732 756 770 810 854 891 915 924 945 990 1098 1134 1155 1188 1220 1260 1281 1342 1386 1485 1540 1620 1647 1708 1782 1830 1890 1980 2013 2079 2135 2196 2268 2310 2562 2684 2745 2772 2789 2835 2970 3294 3355 3465 3564 3660 3780 3843 4026 4158 4270 4455 4620 4697 4941 5124 5490 5578 5670 5940 6039 6237 6405 6588 6710 6930 7686 8052 8235 8316 8367 8540 8910 9394 9882 10065 10395 10980 11156 11340 11529 12078 12474 12810 13420 13860 13945 14091 15372 16470 16734 17820 18117 18788 19215 19523 19764 20130 20790 23058 23485 24156 24705 24948 25101 25620 27890 28182 30195 30679 31185 32940 33468 34587 36234 38430 39046 40260 41580 41835 42273 46116 46970 49410 50202 54351 55780 56364 57645 58569 60390 61358 62370 69174 70455 72468 75303 76860 78092 83670 84546 90585 92037 93940 97615 98820 100404 108702 115290 117138 120780 122716 124740 125505 126819 138348 140910 150606 153395 167340 169092 170129 172935 175707 181170 184074 195230 211365 214753 217404 225909 230580 234276 251010 253638 271755 276111 281820 292845 301212 306790 340258 345870 351414 362340 368148 376515 380457 390460 422730 429506 451818 460185 502020 507276 510387 527121 543510 552222 585690 613580 634095 644259 680516 691740 702828 753030 760914 828333 845460 850645 859012 878535 903636 920370 1020774 1054242 1073765 1087020 1104444 1129545 1171380 1190903 1268190 1288518 1380555 1506060 1521828 1531161 1581363 1656666 1701290 1757070 1840740 1871419 1902285 1932777 2041548 2108484 2147530 2259090 2381806 2484999 2536380 2551935 2577036 2635605 2761110 3062322 3162726 3221295 3313332 3402580 3514140 3572709 3742838 3804570 3865554 4141665 4295060 4518180 4593483 4763612 4969998 5103870 5271210 5522220 5614257 5798331 5954515 6124644 6325452 6442590 7145418 7485676 7609140 7655805 7731108 7906815 8283330 9186966 9357095 9663885 9939996 10207740 10542420 10718127 11228514 11596662 11909030 12424995 12885180 13099933 13780449 14290836 15311610 15813630 16566660 16842771 17394993 17863545 18373932 18714190 19327770 21436254 22457028 22967415 23193324 23818060 24849990 26199866 27560898 28071285 28991655 30623220 31627260 32154381 33685542 34789986 35727090 37428380 38655540 39299799 42872508 45934830 49699980 50528313 52399732 53590635 55121796 56142570 57983310 64308762 65499665 67371084 68902245 69579972 71454180 78599598 84213855 86974965 91869660 96463143 101056626 107181270 112285140 115966620 117899397 128617524 130999330 137804490 151584939 157199196 160771905 168427710 173949930 192926286 196498995 202113252 214362540 235798794 252641565 261998660 275608980 303169878 321543810 336855420 347899860 353698191 385852572 392997990 471597588 482315715 505283130 589496985 606339756 643087620 707396382 757924695 785995980 964631430 1010566260 1061094573 1178993970 1414792764 1515849390 1768490955 1929262860 2122189146 2357987940 3031698780 3536981910 4244378292 5305472865 7073963820 10610945730 21221891460
• Sum of all divisors σ(n): 84392098560
• Sum of proper divisors (its aliquot sum) s(n): 63170207100
• 21221891460 is an abundant number, because the sum of its proper divisors (63170207100) is greater than itself. Its abundance is 41948315640

Bases of 21221891460

• Binary: 10011110000111011000101110110000100₂
• Hexadecimal: 0x4F0EC5D84
• Base-36: 9QYYS90

Squares and roots of 21221891460

• 21221891460 squared (21221891460²) is 450368677140020931600
• 21221891460 cubed (21221891460³) is 9557675183249307432543284136000
• The square root of 21221891460 is 145677.3539710273
• The cube root of 21221891460 is 2768.6073212217

Scales and comparisons

• 21,221,891,460 seconds is equal to 674 years, 41 weeks, 17 hours, 51 minutes.
• To count from 1 to 21,221,891,460 would take you about one thousand, three hundred forty-nine 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 21221891460 cubic inches would be around 230.7 feet tall.

Recreational maths with 21221891460

• 21221891460 backwards is 06419812212
• 21221891460 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21221891460's digits is 36
• More coming soon!