21081303315744

Names of 21081303315744

• Cardinal: 21081303315744 can be written as Twenty-one trillion, eighty-one billion, three hundred three million, three hundred fifteen thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 2.1081303315744 × 10¹³

Factors of 21081303315744

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 31105

Divisors of 21081303315744

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 19 21 24 28 32 34 38 42 43 48 51 56 57 68 73 76 84 86 96 102 112 114 119 129 133 136 146 152 168 172 204 219 224 228 238 258 266 272 292 301 304 323 336 344 357 399 408 438 456 476 511 516 532 544 584 602 608 646 672 688 714 731 798 816 817 876 903 912 952 969 1022 1032 1064 1168 1204 1241 1292 1376 1387 1428 1462 1533 1596 1632 1634 1752 1806 1824 1904 1938 2044 2064 2128 2193 2261 2336 2408 2451 2482 2584 2774 2856 2924 3066 3139 3192 3268 3504 3612 3723 3808 3876 4088 4128 4161 4256 4386 4522 4816 4902 4964 5117 5168 5548 5712 5719 5848 6132 6278 6384 6536 6783 7008 7224 7446 7752 8176 8322 8687 8772 9044 9417 9632 9709 9804 9928 10234 10336 11096 11424 11438 11696 12264 12556 12768 13072 13566 13889 14448 14892 15351 15504 16352 16644 17157 17374 17544 18088 18834 19418 19608 19856 20468 21973 22192 22876 23392 23579 24528 25112 26061 26144 27132 27778 28896 29127 29784 30702 30941 31008 33288 34314 34748 35088 36176 37668 38836 39216 39712 40936 41667 43946 44384 45752 47158 49056 50224 52122 53363 54264 55556 58254 59568 59641 61404 61882 65919 66576 68628 69496 70176 70737 72352 75336 77672 78432 81872 83334 87892 91504 92823 94316 97223 100448 104244 106726 108528 111112 116508 119136 119282 122808 123764 131838 133152 137256 138992 141474 150672 155344 160089 163744 165053 166668 175784 178923 183008 185646 188632 194446 208488 213452 216587 217056 222224 233016 238564 245616 247528 263676 274512 277984 282948 291669 301344 310688 320178 330106 333336 351568 357846 371292 373541 377264 388892 416976 417487 426904 433174 444448 466032 477128 491232 495056 495159 525997 527352 549024 565896 583338 587879 640356 649761 660212 666672 703136 715692 742584 747082 754528 777784 833952 834974 853808 866348 932064 954256 990112 990318 1013897 1051994 1054704 1120623 1131792 1166676 1175758 1252461 1280712 1299522 1320424 1330463 1333344 1431384 1485168 1494164 1555568 1577991 1669948 1707616 1732696 1763637 1908512 1980636 2027794 2103988 2109408 2241246 2258693 2263584 2333352 2351516 2504922 2561424 2599044 2640848 2660926 2862768 2970336 2988328 3041691 3111136 3155982 3339896 3465392 3527274 3681979 3961272 3991389 4055588 4115153 4207976 4482492 4517386 4666704 4703032 5009844 5122848 5198088 5281696 5321852 5725536 5976656 6083382 6311964 6679792 6776079 6930784 7054548 7097279 7363958 7922544 7982778 8111176 8230306 8415952 8964984 9034772 9313241 9333408 9406064 9993943 10019688 10396176 10643704 11045937 11953312 12166764 12345459 12623928 13359584 13552158 14109096 14194558 14727916 15810851 15845088 15965556 16222352 16460612 16831904 17929968 18069544 18626482 18812128 19987886 20039376 20792352 21287408 21291837 22091874 22617871 24333528 24690918 25247856 25278797 27104316 27939723 28218192 28389116 29455832 29981829 31621702 31931112 32444704 32921224 35859936 36139088 37252964 38397781 39975772 40078752 42574816 42583674 42915167 44183748 45235742 47432553 48667056 49381836 50495712 50557594 54208632 55879446 56436384 56778232 58911664 59963658 63243404 63862224 65842448 67853613 69957601 72278176 74505928 75836391 76795562 79951544 85167348 85830334 88367496 90471484 94865106 97123799 97334112 98763672 101115188 108417264 111758892 113556464 115193343 117823328 119927316 126486808 127724448 128745501 131684896 135707226 139915202 149011856 151672782 153591124 158325097 159903088 170334696 171660668 176734992 176951579 180942968 189730212 194247598 197527344 202230376 209872803 216834528 223517784 227112928 230386686 239854632 252973616 257491002 268784467 271414452 279830404 291371397 298023712 300406169 303345564 307182248 316650194 319806176 340669392 343321336 353469984 353903158 361885936 379460424 388495196 395054688 404460752 419745606 429739549 447035568 460773372 474975291 479709264 505947232 514982004 530854737 537568934 542828904 559660808 582742794 600812338 606691128 614364496 633300388 679866593 681338784 686642672 707806316 723771872 729557839 758920848 776990392 806353401 808921504 839491212 859479098 894071136 901218507 921546744 949950582 959418528 1029964008 1061709474 1075137868 1085657808 1119321616 1165485588 1201624676 1213382256 1228728992 1266600776 1289218647 1359733186 1373285344 1415612632 1459115678 1517841696 1553980784 1612706802 1651104583 1678982424 1718958196 1802437014 1843093488 1845352181 1899901164 2039599779 2059928016 2123418948 2150275736 2171315616 2188673517 2238643232 2330971176 2403249352 2426764512 2533201552 2578437294 2719466372 2831225264 2918231356 3008176843 3107961568 3225413604 3302209166 3357964848 3437916392 3604874028 3686186976 3690704362 3799802328 4079199558 4119856032 4246837896 4300551472 4377347034 4661942352 4806498704 4953313749 5066403104 5106904873 5156874588 5438932744 5536056543 5662450528 5836462712 6016353686 6450827208 6604418332 6715929696 6875832784 7209748056 7381408724 7599604656 8158399116 8493675792 8601102944 8754694068 9024530529 9323884704 9612997408 9906627498 10213809746 10313749176 10877865488 11072113086 11557732081 11672925424 12032707372 12901654416 12917465267 13208836664 13751665568 14419496112 14762817448 15199209312 15320714619 16316798232 16987351584 17509388136 18049061058 19813254996 20427619492 20627498352 21755730976 22144226172 23115464162 23345850848 24065414744 25803308832 25834930534 26417673328 28838992224 29525634896 30641429238 31370987077 32633596464 34673196243 35018776272 36098122116 38752395801 39626509992 40855238984 41254996704 44288452344 46230928324 48130829488 51669861068 52835346656 59051269792 61282858476 62741974154 65267192928 69346392486 70037552544 72196244232 77504791602 79253019984 81710477968 88576904688 92461856648 94112961231 96261658976 103339722136 122565716952 125483948308 138692784972 144392488464 155009583204 158506039968 163420955936 177153809376 184923713296 188225922462 206679444272 219596909539 245131433904 250967896616 277385569944 288784976928 310019166408 369847426592 376451844924 413358888544 439193819078 490262867808 501935793232 554771139888 620038332816 658790728617 752903689848 878387638156 1003871586464 1109542279776 1240076665632 1317581457234 1505807379696 1756775276312 2635162914468 3011614759392 3513550552624 5270325828936 7027101105248 10540651657872 21081303315744
• Sum of all divisors σ(n): 73118253035520
• Sum of proper divisors (its aliquot sum) s(n): 52036949719776
• 21081303315744 is an abundant number, because the sum of its proper divisors (52036949719776) is greater than itself. Its abundance is 30955646404032

Bases of 21081303315744

• Binary: 100110010110001011111100110000111010100100000₂
• Hexadecimal: 0x132C5F987520
• Base-36: 7H0M7OVMO

Squares and roots of 21081303315744

• 21081303315744 squared (21081303315744²) is 444421349490398968558273536
• 21081303315744 cubed (21081303315744³) is 9368981268599370820560969497760927350784
• The square root of 21081303315744 is 4591438.0444196347
• The cube root of 21081303315744 is 27624.8006251357

Scales and comparisons

• 21,081,303,315,744 seconds is equal to 670,320 years, 12 weeks, 2 days, 3 hours, 42 minutes, 24 seconds.
• To count from 1 to 21,081,303,315,744 would take you about one million, six hundred seventy-five thousand, eight hundred 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 21081303315744 cubic inches would be around 2302.1 feet tall.

Recreational maths with 21081303315744

• 21081303315744 backwards is 44751330318012
• 21081303315744 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21081303315744's digits is 42
• More coming soon!