21040043138849280

Names of 21040043138849280

• Cardinal: 21040043138849280 can be written as Twenty-one quadrillion, forty trillion, forty-three billion, one hundred thirty-eight million, eight hundred forty-nine thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.104004313884928 × 10¹⁶

Factors of 21040043138849280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 3571

Divisors of 21040043138849280

• Number of divisors d(n): 1440
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 48 49 52 56 60 64 65 70 78 80 84 91 96 98 104 105 112 120 128 130 140 147 156 160 168 182 192 195 196 208 210 224 240 245 256 260 273 280 294 312 320 336 343 364 384 390 392 416 420 448 455 480 490 512 520 546 560 588 624 637 640 672 686 728 735 768 780 784 832 840 896 910 960 980 1029 1040 1092 1120 1176 1248 1274 1280 1344 1365 1372 1456 1470 1536 1560 1568 1664 1680 1715 1792 1820 1911 1920 1960 2058 2080 2184 2240 2352 2401 2496 2548 2560 2688 2730 2744 2912 2940 3120 3136 3185 3328 3360 3430 3541 3584 3640 3822 3840 3920 4116 4160 4368 4459 4480 4704 4802 4992 5096 5145 5376 5460 5488 5824 5880 6240 6272 6370 6656 6720 6860 7082 7203 7280 7644 7680 7840 8232 8320 8736 8918 8960 9408 9555 9604 9984 10192 10290 10623 10752 10920 10976 11648 11760 12005 12480 12544 12740 13377 13440 13720 14164 14406 14560 15288 15680 16464 16640 16807 17472 17705 17836 17920 18816 19110 19208 19968 20384 20580 21246 21840 21952 22295 23296 23520 24010 24787 24960 25088 25480 26754 26880 27440 28328 28812 29120 30576 31213 31360 32928 33280 33614 34944 35410 35672 36015 37632 38220 38416 40768 41160 42492 43680 43904 44590 46033 46592 47040 48020 49574 49920 50421 50960 53115 53508 53760 54880 56656 57624 58240 61152 62426 62720 65856 66885 67228 69888 70820 71344 72030 74361 75264 76440 76832 81536 82320 84035 84984 87360 87808 89180 92066 93639 94080 96040 99148 99840 100842 101920 106230 107016 109760 113312 115248 116480 122304 123935 124852 125440 131712 133770 134456 138099 139776 141640 142688 144060 148722 152880 153664 156065 163072 164640 168070 169968 173509 174720 175616 178360 184132 187278 188160 192080 198296 201684 203840 212460 214032 218491 219520 226624 230165 230496 232960 244608 247870 249704 252105 263424 267540 268912 276198 283280 285376 288120 297444 305760 307328 312130 322231 326144 329280 336140 339936 347018 349440 356720 368264 371805 374556 376320 384160 396592 403368 407680 424920 428064 436982 439040 453248 460330 460992 468195 489216 495740 499408 504210 520527 526848 535080 537824 552396 566560 570752 576240 594888 611520 614656 624260 644462 655473 658560 672280 679872 690495 694036 698880 713440 736528 743610 749112 768320 793184 806736 815360 849840 856128 867545 873964 878080 906496 920660 921984 936390 966693 978432 991480 998816 1008420 1041054 1070160 1075648 1092455 1104792 1133120 1141504 1152480 1189776 1214563 1223040 1229312 1248520 1288924 1310946 1317120 1344560 1359744 1380990 1388072 1426880 1473056 1487220 1498224 1536640 1586368 1611155 1613472 1630720 1699680 1712256 1735090 1747928 1812992 1841320 1843968 1872780 1933386 1982960 1997632 2016840 2082108 2140320 2151296 2184910 2209584 2255617 2266240 2283008 2304960 2379552 2429126 2446080 2497040 2577848 2602635 2621892 2634240 2689120 2719488 2761980 2776144 2853760 2946112 2974440 2996448 3073280 3172736 3222310 3226944 3277365 3399360 3424512 3470180 3495856 3643689 3682640 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337039745280 344061406640 361264476972 365126390720 371364782880 383382710256 391369850053 393213036160 396122435072 412873687968 417287303680 421475223134 424416894720 438151668864 447279828632 451580596215 457064348160 471855643392 479228387820 481685969296 495153043840 511176947008 516092109960 547689586080 550498250624 559099785790 584202225152 589819554240 594183652608 602107461620 625930955520 632212834701 638971183760 670919742948 674079490560 688122813280 722528953944 730252781440 742729565760 766765420512 782739700106 786426072320 825747375936 838649678685 842950446268 848833789440 876303337728 894559657264 903161192430 943711286784 958456775640 963371938592 990306087680 1022353894016 1032184219920 1053688057835 1095379172160 1100996501248 1118199571580 1174109550159 1179639108480 1188367305216 1204214923240 1251861911040 1264425669402 1277942367520 1341839485896 1376245626560 1445057907888 1460505562880 1485459131520 1533530841024 1565479400212 1572852144640 1651494751872 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10115405355216 10223538940160 10734715887168 10958355801484 11009965012480 11560463263104 11741095501590 12268246728192 12523835201696 12644256694020 13418394858960 13487207140288 13697944751855 14312954516224 14450579078880 15335308410240 15413951017472 15654794002120 16437533702226 16514947518720 16859008925360 17891193145280 18785752802544 19267438771840 20230810710432 20447077880320 21469431774336 21916711602968 23120926526208 23482191003180 25047670403392 25288513388040 26836789717920 26974414280576 27395889503710 28625909032448 28901158157760 30670616820480 31309588004240 32875067404452 33029895037440 33718017850720 35782386290560 37571505605088 38534877543680 40461621420864 41093834255565 42938863548672 43833423205936 46241853052416 46964382006360 50095340806784 50577026776080 53673579435840 53948828561152 54791779007420 57802316315520 61341233640960 62619176008480 65750134808904 67436035701440 71564772581120 75143011210176 77069755087360 80923242841728 82187668511130 85877727097344 87666846411872 93928764012720 100190681613568 101154053552160 107347158871680 107897657122304 109583558014840 115604632631040 125238352016960 131500269617808 134872071402880 143129545162240 150286022420352 161846485683456 164375337022260 175333692823744 187857528025440 200381363227136 202308107104320 214694317743360 219167116029680 231209265262080 250476704033920 263000539235616 269744142805760 300572044840704 323692971366912 328750674044520 350667385647488 375715056050880 404616214208640 429388635486720 438334232059360 500953408067840 526001078471232 539488285611520 601144089681408 657501348089040 701334771294976 751430112101760 809232428417280 876668464118720 1001906816135680 1052002156942464 1315002696178080 1402669542589952 1502860224203520 1618464856834560 1753336928237440 2104004313884928 2630005392356160 3005720448407040 3506673856474880 4208008627769856 5260010784712320 7013347712949760 10520021569424640 21040043138849280
• Sum of all divisors σ(n): 84532308161761152
• Sum of proper divisors (its aliquot sum) s(n): 63492265022911872
• 21040043138849280 is an abundant number, because the sum of its proper divisors (63492265022911872) is greater than itself. Its abundance is 42452221884062592

Bases of 21040043138849280

• Binary: 1001010101111111100111011001001010110011001101000000000₂
• Hexadecimal: 0x4ABFCEC9599A00
• Base-36: 5R62MDR1ZPC

Squares and roots of 21040043138849280

• 21040043138849280 squared (21040043138849280²) is 442683415284638662717202556518400
• 21040043138849280 cubed (21040043138849280³) is 9314078154441928183245512007303484877939146752000
• The square root of 21040043138849280 is 145051863.6172913153
• The cube root of 21040043138849280 is 276067.6650016543

Scales and comparisons

• 21,040,043,138,849,280 seconds is equal to 669,008,290 years, 35 weeks, 5 days, 18 hours, 8 minutes.
• To count from 1 to 21,040,043,138,849,280 would take you about two billion, seven million, twenty-four thousand, eight hundred seventy-two 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 21040043138849280 cubic inches would be around 23005.6 feet tall.

Recreational maths with 21040043138849280

• 21040043138849280 backwards is 08294883134004012
• The number of decimal digits it has is: 17
• The sum of 21040043138849280's digits is 57
• More coming soon!