21243221890880

Names of 21243221890880

• Cardinal: 21243221890880 can be written as Twenty-one trillion, two hundred forty-three billion, two hundred twenty-one million, eight hundred ninety thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.124322189088 × 10¹³

Factors of 21243221890880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 474

Divisors of 21243221890880

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 59 64 80 88 110 118 121 160 176 220 236 242 295 320 352 397 440 472 484 590 605 649 704 794 880 944 968 1180 1210 1298 1588 1760 1888 1936 1985 2360 2420 2596 3176 3245 3481 3520 3776 3872 3970 4367 4720 4840 5192 6352 6490 6962 7139 7744 7940 8734 9440 9680 10384 12704 12980 13924 14278 15880 17405 17468 18880 19360 20768 21835 23423 25408 25960 27848 28556 31760 34810 34936 35695 38291 38720 41536 43670 46846 48037 51920 55696 57112 63520 69620 69872 71390 76582 87340 93692 96074 103840 111392 114224 117115 127040 139240 139744 142780 153164 157609 174680 187384 191455 192148 207680 222784 228448 234230 240185 257653 278480 279488 285560 306328 315218 349360 374768 382910 384296 421201 456896 468460 480370 515306 556960 571120 612656 630436 698720 749536 765820 768592 788045 842402 936920 960740 1030612 1113920 1142240 1225312 1260872 1288265 1381957 1397440 1499072 1531640 1537184 1576090 1684804 1733699 1873840 1921480 2061224 2106005 2284480 2450624 2521744 2576530 2763914 2834183 3063280 3074368 3152180 3369608 3467398 3747680 3842960 4122448 4212010 5043488 5153060 5527828 5668366 6126560 6304360 6739216 6909785 6934796 7495360 7685920 8244896 8424020 8668495 9298931 10086976 10306120 11055656 11336732 12253120 12608720 13478432 13819570 13869592 14170915 15201527 15371840 16489792 16848040 17336990 18597862 19070689 20612240 22111312 22673464 25217440 26956864 27639140 27739184 28341830 30403054 33696080 34673980 37195724 38141378 41224480 44222624 45346928 46494655 50434880 55278280 55478368 56683660 60806108 67392160 69347960 74391448 76007635 76282756 82448960 88445248 90693856 92989310 95353445 102288241 110556560 110956736 113367320 121612216 134784320 138695920 148782896 152015270 152565512 167216797 181387712 185978620 190706890 204576482 221113120 226734640 243224432 277391840 297565792 304030540 305131024 334433594 371957240 381413780 409152964 442226240 453469280 486448864 511441205 548636929 554783680 595131584 608061080 610262048 668867188 743914480 762827560 818305928 836083985 906938560 972897728 1022882410 1097273858 1125170651 1216122160 1220524096 1337734376 1487828960 1525655120 1636611856 1672167970 2045764820 2194547716 2250341302 2432244320 2675468752 2743184645 2975657920 3051310240 3273223712 3344335940 4091529640 4389095432 4500682604 4864488640 5350937504 5486369290 5625853255 6035006219 6102620480 6546447424 6688671880 8183059280 8778190864 9001365208 10701875008 10972738580 11251706510 12070012438 13377343760 16366118560 17556381728 18002730416 21945477160 22503413020 24140024876 26754687520 30175031095 32732237120 35112763456 36005460832 43890954320 45006826040 48280049752 53509375040 60350062190 66385068409 72010921664 87781908640 90013652080 96560099504 120700124380 132770136818 175563817280 180027304160 193120199008 241400248760 265540273636 331925342045 360054608320 386240398016 482800497520 531080547272 663850684090 965600995040 1062161094544 1327701368180 1931201990080 2124322189088 2655402736360 4248644378176 5310805472720 10621610945440 21243221890880
• Sum of all divisors σ(n): 56703369451302
• Sum of proper divisors (its aliquot sum) s(n): 35460147560422
• 21243221890880 is an abundant number, because the sum of its proper divisors (35460147560422) is greater than itself. Its abundance is 14216925669542

Bases of 21243221890880

• Binary: 100110101001000010010101100011101011101000000₂
• Hexadecimal: 0x135212B1D740
• Base-36: 7J301TVSW

Squares and roots of 21243221890880

• 21243221890880 squared (21243221890880²) is 451274476305163242627174400
• 21243221890880 cubed (21243221890880³) is 9586523833841251654949515976439529472000
• The square root of 21243221890880 is 4609036.9808540265
• The cube root of 21243221890880 is 27695.3459974093

Scales and comparisons

• 21,243,221,890,880 seconds is equal to 675,468 years, 38 weeks, 5 days, 17 hours, 41 minutes, 20 seconds.
• To count from 1 to 21,243,221,890,880 would take you about one million, six hundred eighty-eight thousand, six hundred seventy-one 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 21243221890880 cubic inches would be around 2307.9 feet tall.

Recreational maths with 21243221890880

• 21243221890880 backwards is 08809812234212
• The number of decimal digits it has is: 14
• The sum of 21243221890880's digits is 50
• More coming soon!