21081486324808

Names of 21081486324808

• Cardinal: 21081486324808 can be written as Twenty-one trillion, eighty-one billion, four hundred eighty-six million, three hundred twenty-four thousand, eight hundred eight.

Scientific notation

• Scientific notation: 2.1081486324808 × 10¹³

Factors of 21081486324808

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 149

Divisors of 21081486324808

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 7 8 13 14 19 26 28 38 41 49 52 56 67 76 82 91 98 104 133 134 152 164 169 182 196 247 266 268 287 328 338 343 364 392 469 494 532 533 536 574 637 676 686 728 779 871 931 938 988 1064 1066 1148 1183 1273 1274 1352 1372 1558 1729 1742 1862 1876 1976 2009 2132 2197 2296 2366 2546 2548 2744 2747 3116 3211 3283 3458 3484 3724 3731 3752 4018 4264 4394 4459 4489 4732 5092 5096 5453 5494 6097 6232 6422 6517 6566 6916 6929 6968 7448 7462 8036 8281 8788 8911 8918 8978 9464 10127 10184 10906 10988 11323 12103 12194 12844 13034 13132 13832 13858 14063 14924 15379 16072 16549 16562 17576 17822 17836 17956 19229 20254 21812 21976 22477 22646 22981 24206 24388 25688 26068 26117 26264 27716 28126 29848 30758 31423 33098 33124 35644 35672 35711 35912 38171 38458 40508 41743 42679 43624 44954 45292 45962 48412 48503 48776 52136 52193 52234 55432 56252 57967 58357 61516 62377 62846 66196 66248 70889 71288 71422 76342 76916 79261 81016 83486 84721 85291 85358 89908 90077 90584 91924 96824 97006 104386 104468 107653 112504 115843 115934 116714 123032 124754 125692 131651 132392 134603 141778 142844 147199 152684 153832 157339 158522 166972 169442 170582 170716 179816 180154 182819 183848 184049 194012 208772 208936 215137 215306 219961 231686 231868 233428 249508 249977 251384 263302 267197 269206 283556 285688 292201 294398 298753 305368 314678 317044 333944 338884 339521 341164 341432 360308 365351 365638 368098 388024 408499 417544 430274 430612 436639 439922 463372 463736 464243 466856 496223 499016 499954 526604 534394 538412 554827 567112 584402 588796 597037 597506 629356 630539 634088 677768 678509 679042 682328 720616 730702 731276 736196 753571 758641 810901 816998 860548 861224 873278 879844 921557 926744 928486 942221 992446 999908 1030393 1053208 1068788 1076824 1101373 1108783 1109654 1168804 1177592 1194074 1195012 1258712 1261078 1288343 1357018 1358084 1461404 1462552 1472392 1505959 1507142 1517282 1539727 1621802 1633996 1711463 1721096 1746556 1749839 1759688 1843114 1856972 1884442 1984892 1999816 2045407 2060786 2137576 2202746 2217566 2219308 2337608 2376647 2388148 2390024 2392637 2522156 2557457 2576686 2714036 2716168 2796781 2859493 2922808 3011918 3014284 3034564 3079454 3243604 3249701 3267992 3422926 3473561 3493112 3496931 3499678 3686228 3713944 3768884 3883789 3969784 4090814 4121572 4179259 4405492 4413773 4435132 4438616 4749563 4753294 4776296 4785274 5044312 5114914 5153372 5310487 5428072 5593562 5676307 5718986 6023836 6028568 6035159 6069128 6158908 6450899 6487208 6499402 6845852 6947122 6993862 6999356 7212751 7372456 7537768 7761481 7767578 8181628 8243144 8358518 8810984 8820617 8827546 8870264 9018401 9499126 9506588 9570548 9862333 10229828 10306744 10541713 10620974 11187124 11352614 11437972 11980241 12047672 12070318 12248873 12317816 12901798 12998804 13691704 13894244 13987724 13998712 14317849 14414179 14425502 15522962 15535156 16363256 16717036 16748459 17641234 17655092 17902199 18036802 18998252 19013176 19141096 19577467 19724666 20016451 20459656 21083426 21241948 22374248 22705228 22747907 22875944 23960482 24140636 24478517 24497746 25803596 25997608 27788488 27975448 28635698 28828358 28851004 29254813 30896411 31045924 31070312 31104281 33246941 33434072 33496918 35282468 35310184 35804398 36073604 37173409 37996504 39154934 39449332 40032902 42166852 42246113 42483896 45156293 45410456 45460103 45495814 47920964 48281272 48957034 48995492 50489257 51607192 54330367 57271396 57656716 57702008 58509626 61744319 61792822 62091848 62208562 63128807 66493882 66993836 69036331 70564936 71608796 72147208 73791991 74346818 78309868 78898664 80065804 83861687 84333704 84492226 90312586 90920206 90991628 95841928 97914068 97990984 100899253 100978514 108660734 114542792 114668021 115313432 117019252 117239213 123488638 123585644 124417124 126257614 132987764 133987672 137042269 138072662 143217592 147583982 148693636 156619736 159235349 160131608 167723374 168984452 171349619 180625172 181840412 181983256 187384327 195828136 201798506 201957028 217321468 217729967 229336042 232728587 234038504 234478426 246977276 247171288 248834248 252515228 260213863 265975528 274084538 276145324 295167964 295722791 297387272 318220721 318470698 335446748 337968904 342699238 361250344 363680824 374768654 380312569 403597012 403914056 404355653 432210233 434642936 435459934 458672084 465457174 468956852 483254317 493954552 505030456 520427726 548169076 552290648 587031809 590335928 590981339 591445582 636441442 636941396 670893496 685398476 706294771 749537308 760625138 802676147 807194024 808711306 820674491 864420466 870919868 917344168 930914348 937913704 959295883 966508634 1040855452 1096338152 1174063618 1181962678 1182891164 1199447333 1272882884 1273882792 1311690289 1370796952 1412589542 1499074616 1521250276 1524109769 1605352294 1617422612 1641348982 1728840932 1741839736 1861828696 1918591766 1933017268 2070059537 2081710904 2227545047 2348127236 2363925356 2365782328 2398894666 2545765768 2623380578 2825179084 2830489571 3025471631 3042500552 3048219538 3210704588 3234845224 3282697964 3382780219 3457681864 3837183532 3866034536 4136869373 4140119074 4455090094 4696254472 4727850712 4797789332 4944063397 5246761156 5618733029 5650358168 5660979142 6050943262 6096439076 6421409176 6565395928 6765560438 7674367064 7682757407 8273738746 8280238148 8910180188 9181832023 9595578664 9888126794 10493522312 10668768383 11237466058 11321958284 12101886524 12192878152 13531120876 15365514814 15592815329 16547477492 16560476296 17820360376 18363664046 19776253588 19813426997 21337536766 22474932116 22643916568 24203773048 27062241752 28958085611 30731029628 31185630658 33094954984 36727328092 39331131203 39552507176 39626853994 42675073532 44949864232 53779301849 57916171222 61462059256 62371261316 64272824161 73454656184 78662262406 79253707988 85350147064 107558603698 115832342444 124742522632 128545648322 138693988979 157324524812 158507415976 202706599277 215117207396 231664684888 257091296644 277387977958 314649049624 376455112943 405413198554 430234414792 514182593288 554775955916 752910225886 810826397108 1109551911832 1505820451772 1621652794216 2635185790601 3011640903544 5270371581202 10540743162404 21081486324808
• Sum of all divisors σ(n): 54662126400000
• Sum of proper divisors (its aliquot sum) s(n): 33580640075192
• 21081486324808 is an abundant number, because the sum of its proper divisors (33580640075192) is greater than itself. Its abundance is 12499153750384

Bases of 21081486324808

• Binary: 100110010110001101010100000001111010001001000₂
• Hexadecimal: 0x132C6A80F448
• Base-36: 7H0P8NEBS

Squares and roots of 21081486324808

• 21081486324808 squared (21081486324808²) is 444429065663066714876236864
• 21081486324808 cubed (21081486324808³) is 9369225270123137626618752706620647322112
• The square root of 21081486324808 is 4591457.9737604045
• The cube root of 21081486324808 is 27624.8805628607

Scales and comparisons

• 21,081,486,324,808 seconds is equal to 670,326 years, 2 weeks, 6 days, 7 hours, 33 minutes, 28 seconds.
• To count from 1 to 21,081,486,324,808 would take you about one million, six hundred seventy-five thousand, eight hundred fifteen 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 21081486324808 cubic inches would be around 2302.1 feet tall.

Recreational maths with 21081486324808

• 21081486324808 backwards is 80842368418012
• The number of decimal digits it has is: 14
• The sum of 21081486324808's digits is 55
• More coming soon!