20785443138720

Names of 20785443138720

• Cardinal: 20785443138720 can be written as Twenty trillion, seven hundred eighty-five billion, four hundred forty-three million, one hundred thirty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.078544313872 × 10¹³

Factors of 20785443138720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 135845

Divisors of 20785443138720

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 65 72 78 80 81 90 96 101 104 108 117 120 130 135 144 156 160 162 180 195 202 208 216 234 240 243 260 270 288 303 312 324 351 360 390 404 405 416 432 468 480 486 505 520 540 585 606 624 648 702 720 729 780 808 810 864 909 936 972 1010 1040 1053 1080 1170 1212 1215 1248 1296 1313 1404 1440 1458 1515 1560 1616 1620 1755 1818 1872 1944 2020 2080 2106 2160 2340 2424 2430 2592 2626 2727 2808 2916 3030 3120 3159 3232 3240 3510 3636 3645 3744 3888 3939 4040 4212 4320 4545 4680 4848 4860 5252 5265 5454 5616 5832 6060 6240 6318 6480 6565 7020 7272 7290 7776 7878 8080 8181 8424 9090 9360 9477 9696 9720 10504 10530 10908 11232 11664 11817 12120 12636 12960 13130 13635 14040 14544 14580 15756 15795 16160 16362 16848 18180 18720 18954 19440 19695 21008 21060 21816 23328 23634 24240 24543 25272 26260 27270 28080 29088 29160 31512 31590 32724 33696 35451 36360 37908 38880 39390 40905 42016 42120 43632 47268 47385 48480 49086 50544 52520 54540 56160 58320 59085 63024 63180 65448 70902 72720 73629 75816 78780 81810 84240 87264 94536 94770 98172 101088 105040 106353 109080 116640 118170 122715 126048 126360 130896 135721 141804 145440 147258 151632 157560 163620 168480 177255 189072 189540 196344 210080 212706 218160 236340 245430 252720 261792 271442 283608 294516 303264 315120 319059 327240 354510 368145 378144 379080 392688 407163 425412 436320 472680 490860 505440 531765 542884 567216 589032 630240 638118 654480 678605 709020 736290 758160 785376 814326 850824 945360 957177 981720 1063530 1085768 1134432 1178064 1221489 1276236 1308960 1357210 1418040 1472580 1516320 1595295 1628652 1701648 1764373 1890720 1914354 1963440 2035815 2127060 2171536 2356128 2442978 2552472 2714420 2836080 2945160 3190590 3257304 3403296 3528746 3664467 3828708 3926880 4071630 4254120 4343072 4785885 4885956 5104944 5293119 5428840 5672160 5890320 6107445 6381180 6514608 7057492 7328934 7657416 8143260 8508240 8821865 9571770 9771912 10209888 10586238 10857680 10993401 11780640 12214890 12762360 13029216 13707821 14114984 14657868 15314832 15879357 16286520 17016480 17643730 18322335 19143540 19543824 21172476 21715360 21986802 24429780 25524720 26465595 27415642 28229968 29315736 30629664 31758714 32573040 32980203 35287460 36644670 38287080 39087648 41123463 42344952 43973604 47638071 48859560 51049440 52931190 54831284 54967005 56459936 58631472 63517428 65146080 65960406 68539105 70574920 73289340 76574160 79396785 82246926 84689904 87947208 95276142 97719120 98940609 105862380 109662568 109934010 117262944 123370389 127034856 131920812 137078210 141149840 142914213 146578680 153148320 158793570 164493852 164901015 169379808 175894416 178201673 190552284 195438240 197881218 205617315 211724760 219325136 219868020 238190355 246740778 254069712 263841624 274156420 282299680 285828426 293157360 317587140 328987704 329802030 351788832 356403346 370111167 381104568 395762436 411234630 423449520 428742639 438650272 439736040 476380710 493481556 494703045 508139424 527683248 534605019 548312840 571656852 586314720 616851945 635174280 657975408 659604060 712806692 714571065 740222334 762209136 791524872 822469260 846899040 857485278 879472080 891008365 952761420 986963112 989406090 1055366496 1069210038 1096625680 1110333501 1143313704 1233703890 1270348560 1286227917 1315950816 1319208120 1425613384 1429142130 1480444668 1524418272 1583049744 1603815057 1644938520 1714970556 1758944160 1782016730 1850555835 1905522840 1973926224 1978812180 2138420076 2143713195 2193251360 2220667002 2286627408 2467407780 2540697120 2572455834 2638416240 2673025095 2851226768 2858284260 2960889336 3166099488 3207630114 3289877040 3331000503 3429941112 3564033460 3701111670 3811045680 3947852448 3957624360 4276840152 4287426390 4441334004 4573254816 4811445171 4934815560 5144911668 5276832480 5346050190 5551667505 5702453536 5716568520 5921778672 6415260228 6431139585 6579754080 6662001006 6859882224 7128066920 7402223340 7622091360 7915248720 8019075285 8553680304 8574852780 8882668008 9622890342 9869631120 9993001509 10289823336 10692100380 11103335010 11433137040 11843557344 12830520456 12862279170 13324002012 13719764448 14256133840 14434335513 14804446680 15830497440 16038150570 16655002515 17107360608 17149705560 17765336016 19245780684 19739262240 19986003018 20579646672 21384200760 22206670020 22866274080 24057225855 25661040912 25724558340 26648004024 28512267680 28868671026 29608893360 32076301140 33310005030 34299411120 35530672032 38491561368 39972006036 41159293344 42768401520 43303006539 44413340040 48114451710 49965007545 51322081824 51449116680 53296008048 57737342052 59217786720 64152602280 66620010060 68598822240 72171677565 76983122736 79944012072 85536803040 86606013078 88826680080 96228903420 99930015090 102898233360 106592016096 115474684104 128305204560 129909019617 133240020120 144343355130 153966245472 159888024144 173212026156 177653360160 192457806840 199860030180 205796466720 216515032695 230949368208 256610409120 259818039234 266480040240 288686710260 319776048288 346424052312 384915613680 399720060360 433030065390 461898736416 519636078468 532960080480 577373420520 649545098085 692848104624 769831227360 799440120720 866060130780 1039272156936 1154746841040 1299090196170 1385696209248 1598880241440 1732120261560 2078544313872 2309493682080 2598180392340 3464240523120 4157088627744 5196360784680 6928481046240 10392721569360 20785443138720
• Sum of all divisors σ(n): 80073796504464
• Sum of proper divisors (its aliquot sum) s(n): 59288353365744
• 20785443138720 is an abundant number, because the sum of its proper divisors (59288353365744) is greater than itself. Its abundance is 38502910227024

Bases of 20785443138720

• Binary: 100101110011101111100111101000110110010100000₂
• Hexadecimal: 0x12E77CF46CA0
• Base-36: 7D8P86I00

Squares and roots of 20785443138720

• 20785443138720 squared (20785443138720²) is 432034646472962325163238400
• 20785443138720 cubed (20785443138720³) is 8980031578220755609557291205255630848000
• The square root of 20785443138720 is 4559105.5195860515
• The cube root of 20785443138720 is 27494.9602395219

Scales and comparisons

• 20,785,443,138,720 seconds is equal to 660,912 years, 41 weeks, 3 days, 13 hours, 12 minutes.
• To count from 1 to 20,785,443,138,720 would take you about one million, six hundred fifty-two thousand, two hundred eighty-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 20785443138720 cubic inches would be around 2291.2 feet tall.

Recreational maths with 20785443138720

• 20785443138720 backwards is 02783134458702
• 20785443138720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20785443138720's digits is 54
• More coming soon!