20999381796720

Names of 20999381796720

• Cardinal: 20999381796720 can be written as Twenty trillion, nine hundred ninety-nine billion, three hundred eighty-one million, seven hundred ninety-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.099938179672 × 10¹³

Factors of 20999381796720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 7042

Divisors of 20999381796720

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 29 30 36 38 40 45 48 54 57 58 60 72 76 80 81 87 90 95 108 114 116 120 135 144 145 152 162 171 174 180 190 216 228 232 240 243 261 270 285 290 293 304 324 342 348 360 380 405 432 435 456 464 486 513 522 540 551 570 580 586 648 684 696 720 760 783 810 855 870 879 912 972 1026 1044 1080 1102 1140 1160 1172 1215 1296 1305 1368 1392 1465 1520 1539 1566 1620 1653 1710 1740 1758 1944 2052 2088 2160 2204 2280 2320 2344 2349 2430 2565 2610 2637 2736 2755 2930 3078 3132 3240 3306 3420 3480 3516 3888 3915 4104 4176 4395 4408 4560 4617 4688 4698 4860 4959 5130 5220 5274 5510 5567 5860 6156 6264 6480 6612 6691 6840 6960 7032 7047 7695 7830 7911 8208 8265 8497 8790 8816 9234 9396 9720 9918 10260 10440 10548 11020 11134 11720 11745 12312 12528 13185 13224 13382 13680 14064 14094 14877 15390 15660 15822 16530 16701 16994 17580 18468 18792 19440 19836 20073 20520 20880 21096 22040 22268 23085 23440 23490 23733 24624 24795 25491 26370 26448 26764 27835 28188 29754 30780 31320 31644 33060 33402 33455 33988 35160 35235 36936 37584 39555 39672 40146 41040 42192 42485 44080 44536 44631 46170 46980 47466 49590 50103 50982 52740 53528 55670 56376 59508 60219 61560 62640 63288 66120 66804 66910 67976 70320 70470 71199 73872 74385 76473 79110 79344 80292 83505 84970 89072 89262 92340 93960 94932 99180 100206 100365 101964 105480 107056 111340 112752 118665 119016 120438 123120 126576 127129 127455 132240 133608 133820 133893 135952 140940 142398 148770 150309 152946 158220 160584 161443 167010 169940 178524 180657 184680 187920 189864 194039 198360 200412 200730 203928 210960 222680 223155 229419 237330 238032 240876 250515 254258 254910 267216 267640 267786 281880 284796 297540 300618 301095 305892 316440 321168 322886 334020 339880 355995 357048 361314 369360 379728 381387 382365 388078 396720 400824 401460 407856 445360 446310 450927 458838 474660 481752 484329 501030 508516 509820 535280 535572 541971 563760 569592 582117 595080 601236 602190 611784 632880 635645 645772 668040 669465 679760 688257 711990 714096 722628 751545 762774 764730 776156 801648 802920 807215 892620 901854 903285 917676 949320 963504 968658 970195 1002060 1017032 1019640 1071144 1083942 1139184 1144161 1147095 1164234 1190160 1202472 1204380 1223568 1271290 1291544 1336080 1338930 1352781 1376514 1423980 1445256 1452987 1503090 1525548 1529460 1552312 1605840 1614430 1625913 1746351 1785240 1803708 1806570 1835352 1898640 1906935 1937316 1940390 1960463 2004120 2034064 2039280 2064771 2142288 2167884 2254635 2288322 2294190 2328468 2404944 2408760 2421645 2542580 2583088 2677860 2705562 2709855 2753028 2847960 2890512 2905974 2910585 3006180 3051096 3058920 3104624 3228860 3251826 3432483 3441285 3492702 3570480 3607416 3613140 3670704 3686741 3813870 3874632 3880780 3920926 4008240 4129542 4335768 4358961 4509270 4576644 4588380 4656936 4817520 4843290 5085160 5239053 5355720 5411124 5419710 5506056 5695920 5720805 5811948 5821170 5881389 6012360 6102192 6117840 6457720 6503652 6763905 6864966 6882570 6985404 7214832 7226280 7264935 7373482 7627740 7749264 7761560 7841852 8129565 8259084 8671536 8717922 8731755 9018540 9153288 9176760 9313872 9686580 9802315 10170320 10297449 10323855 10478106 10711440 10822248 10839420 11012112 11060223 11441610 11623896 11642340 11762778 12024720 12915440 13007304 13076883 13527810 13729932 13765140 13970808 14452560 14529870 14746964 15255480 15523120 15683704 15717159 16259130 16518168 17162415 17435844 17463510 17644167 18037080 18306576 18353520 18433705 19373160 19604630 20594898 20647710 20956212 21644496 21678840 21794805 22120446 22883220 23247792 23284680 23525556 26014608 26153766 26195265 27055620 27459864 27530280 27941616 29059740 29406945 29493928 30510960 30892347 31367408 31434318 32518260 33036336 33180669 34324830 34871688 34927020 35288334 36074160 36867410 37248797 38746320 39209260 39230649 41189796 41295420 41912424 43357680 43589610 44240892 45766440 46569360 47051112 47151477 51487245 52307532 52390530 52932501 54111240 54919728 55060560 55301115 56853427 58119480 58813890 58987856 61784694 62868636 65036520 65384415 66361338 68649660 69743376 69854040 70576668 73734820 74497594 78418520 78461298 78585795 82379592 82590840 83824848 87179220 88220835 88481784 91532880 94102224 94302954 99542007 102974490 104615064 104781060 105865002 108222480 110602230 111746391 113706854 116238960 117627780 123569388 125737272 130073040 130768830 132722676 137299320 139708080 141153336 147469640 148995188 154461735 156837040 156922596 157171590 158797503 164759184 165181680 165903345 170560281 174358440 176441670 176963568 186243985 188605908 196153245 199084014 205948980 209230128 209562120 211730004 221204460 223492782 227413708 235255560 235757385 247138776 251474544 261537660 264662505 265445352 274598640 282306672 284267135 294939280 297990376 298626021 308923470 313845192 314343180 317595006 331806690 335239173 341120562 348716880 352883340 372487970 377211816 392306490 398168028 411897960 419124240 423460008 442408920 446985564 454827416 470511120 471514770 476392509 494277552 497710035 511680843 523075320 529325010 530890704 558731955 568534270 595980752 597252042 617846940 627690384 628686360 635190012 663613380 670478346 682241124 705766680 744975940 754423632 784612980 793987515 796336056 823795920 846920016 852801405 884817840 893971128 895878063 909654832 943029540 952785018 995420070 1005717519 1023361686 1046150640 1058650020 1080215113 1117463910 1137068540 1194504084 1235693880 1257372720 1270380024 1327226760 1340956692 1364482248 1411533360 1489951880 1493130105 1535042529 1569225960 1587975030 1592672112 1676195865 1705602810 1787942256 1791756126 1886059080 1905570036 1990840140 2011435038 2046723372 2117300040 2160430226 2234927820 2274137080 2381962545 2389008168 2471387760 2540760048 2558404215 2654453520 2681913384 2728964496 2979903760 2986260210 3017152557 3070085058 3138451920 3175950060 3240645339 3352391730 3411205620 3583512252 3772118160 3811140072 3981680280 4022870076 4093446744 4234600080 4320860452 4469855640 4479390315 4548274160 4605127587 4763925090 4778016336 5028587595 5116808430 5363826768 5401075565 5972520420 6034305114 6140170116 6351900120 6481290678 6704783460 6822411240 7167024504 7622280144 7675212645 7963360560 8045740152 8186893488 8641720904 8939711280 8958780630 9051457671 9210255174 9527850180 9721936017 10057175190 10233616860 10802151130 11945040840 12068610228 12280340232 12703800240 12962581356 13409566920 13644822480 13815382761 14334049008 15085762785 15350425290 16091480304 16203226695 17283441808 17917561260 18102915342 18420510348 19055700360 19443872034 20114350380 20467233720 21604302260 23025637935 23890081680 24137220456 24560680464 25925162712 26819133840 27630765522 29165808051 30171525570 30700850580 32406453390 35835122520 36205830684 36841020696 38111400720 38887744068 40228700760 40934467440 43208604520 45257288355 46051275870 48274440912 48609680085 51850325424 55261531044 58331616102 60343051140 61401701160 64812906780 69076913805 71670245040 72411661368 73682041392 77775488136 80457401520 86417209040 87497424153 90514576710 92102551740 97219360170 110523062088 116663232204 120686102280 122803402320 129625813560 138153827610 144823322736 145829040255 155550976272 174994848306 181029153420 184205103480 194438720340 221046124176 233326464408 241372204560 259251627120 262492272459 276307655220 291658080510 349989696612 362058306840 368410206960 388877440680 437487120765 466652928816 524984544918 552615310440 583316161020 699979393224 724116613680 777754881360 874974241530 1049969089836 1105230620880 1166632322040 1312461362295 1399958786448 1749948483060 2099938179672 2333264644080 2624922724590 3499896966120 4199876359344 5249845449180 6999793932240 10499690898360 20999381796720
• Sum of all divisors σ(n): 79922459635200
• Sum of proper divisors (its aliquot sum) s(n): 58923077838480
• 20999381796720 is an abundant number, because the sum of its proper divisors (58923077838480) is greater than itself. Its abundance is 37923696041760

Bases of 20999381796720

• Binary: 100110001100101001100101100010100011101110000₂
• Hexadecimal: 0x13194CB14770
• Base-36: 7FYZDQF00

Squares and roots of 20999381796720

• 20999381796720 squared (20999381796720²) is 440974035844415295402758400
• 20999381796720 cubed (20999381796720³) is 9260182141137367348352626245836072448000
• The square root of 20999381796720 is 4582508.2429516699
• The cube root of 20999381796720 is 27588.9710348093

Scales and comparisons

• 20,999,381,796,720 seconds is equal to 667,715 years, 20 weeks, 10 hours, 12 minutes.
• To count from 1 to 20,999,381,796,720 would take you about one million, six hundred sixty-nine thousand, two hundred eighty-eight 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 20999381796720 cubic inches would be around 2299.1 feet tall.

Recreational maths with 20999381796720

• 20999381796720 backwards is 02769718399902
• 20999381796720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20999381796720's digits is 72
• More coming soon!