21205875472425

Names of 21205875472425

• Cardinal: 21205875472425 can be written as Twenty-one trillion, two hundred five billion, eight hundred seventy-five million, four hundred seventy-two thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 2.1205875472425 × 10¹³

Factors of 21205875472425

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 228

Divisors of 21205875472425

• Number of divisors d(n): 648
• Complete list of divisors:
  1 3 5 7 9 15 19 21 25 27 35 37 45 49 57 63 75 95 105 111 133 135 147 157 171 175 185 189 225 245 259 285 315 333 399 441 471 475 513 525 555 665 675 703 735 777 785 855 925 931 945 999 1099 1197 1225 1295 1323 1369 1413 1425 1575 1665 1813 1995 2109 2205 2331 2355 2565 2775 2793 2983 3297 3325 3515 3591 3675 3885 3925 4107 4239 4275 4655 4725 4921 4995 5439 5495 5809 5985 6327 6475 6615 6845 6993 7065 7693 8325 8379 8949 9065 9583 9891 9975 10545 11025 11655 11775 12321 12825 13965 14763 14915 16317 16485 17427 17575 17955 18981 19425 20535 20881 21195 23079 23275 24605 24649 24975 25137 26011 26847 27195 27475 28749 29045 29673 29925 31635 33075 34225 34447 34965 35325 36963 38465 40663 41895 44289 44745 45325 47915 48951 49455 52281 52725 58275 61605 62643 67081 69237 69825 73815 73947 74575 78033 80541 81585 82425 86247 87135 89775 94905 102675 103341 104405 105975 110371 115395 121989 123025 123245 125685 130055 132867 134235 135975 143745 145225 146167 148365 156843 158175 172235 172543 174825 182077 184815 187929 192325 201243 203315 207711 209475 214933 221445 221841 223725 234099 239575 244755 247275 258741 261405 284641 308025 310023 313215 331113 335405 346185 365967 369075 369735 390165 402705 407925 431235 435675 438501 468331 474525 516705 517629 522025 546231 551855 563787 576975 603729 609945 616225 628425 644799 650275 664335 665523 671175 702297 718725 730835 741825 772597 784215 853923 861175 862715 910385 912013 924075 930069 939645 993339 1006215 1016575 1038555 1074665 1097901 1107225 1109205 1170495 1207801 1223775 1274539 1293705 1307025 1315503 1404993 1423205 1504531 1550115 1552887 1566075 1638693 1655565 1677025 1730925 1811187 1829835 1848675 1934397 1950825 2013525 2156175 2192505 2317791 2341655 2561769 2583525 2588145 2731155 2736039 2759275 2818935 2980017 3018645 3049725 3223995 3278317 3321675 3327615 3511485 3623403 3654175 3823617 3862985 3921075 3946509 4083727 4214979 4269615 4313575 4513593 4551925 4560065 4650345 4658661 4698225 4916079 4966695 5031075 5192775 5373325 5408179 5489505 5546025 5803191 5852475 6039005 6372695 6384091 6468525 6577515 6953373 7024965 7116025 7522655 7685307 7750575 7764435 8193465 8208117 8277825 9055935 9149175 9671985 9834951 10531717 10870209 10962525 11470851 11588955 11708275 12251181 12644937 12808845 12940725 13540779 13655775 13680195 14094675 14900085 15093225 16119975 16224537 16391585 16638075 17328247 17557425 18117015 19118085 19152273 19314925 19732545 20418635 20860119 21074895 21348075 22567965 22800325 22948219 23251725 23293305 24580395 24624351 24833475 27040895 27447525 28586089 29015955 29504853 30195025 31595151 31863475 31920455 32610627 32887575 33744481 34412553 34766865 35124825 36753543 37613275 38426535 38822175 40622337 40967325 41040585 44688637 45279675 48359925 48673611 49174755 51984741 52658585 54351045 57354255 57456819 57944775 61255905 63224685 64044225 67703895 68400975 68844657 74500425 81122685 81957925 85758267 86641235 88514559 90585075 94785453 95590425 95761365 98662725 101233443 102093175 104300595 105374475 110260629 112839825 114741095 116466525 121297729 122901975 123121755 134065911 135204475 142930445 145079775 146020833 147524265 155954223 157975755 159602275 163053135 168722405 172062765 172370457 173834325 183767715 192132675 200102623 203111685 205202925 206533971 223443185 236211367 243368055 245873775 257274801 259923705 263292925 271755225 284356359 286771275 287284095 303700329 306279525 316123425 338519475 344223285 363893187 402197733 405613425 428791335 433206175 442572795 467862669 473927265 478806825 506167215 521502975 551303145 573705475 600307869 606488645 615608775 619601913 641145139 670329555 708634101 714652225 730104165 737621325 771824403 779771115 789878775 815265675 843612025 849084103 860313825 861852285 911100987 918838575 1000513115 1015558425 1032669855 1091679561 1117215925 1181056835 1206593199 1216840275 1286374005 1299618525 1421781795 1436420475 1518501645 1653479569 1721116425 1800923607 1819465935 1923435417 2010988665 2125902303 2143956675 2212863975 2339313345 2369636325 2530836075 2547252309 2756515725 3001539345 3032443225 3098009565 3205725695 3275038683 3351647775 3543170505 3650520825 3859122015 3898855575 4245420515 4309261425 4488015973 4555504935 4960438707 5002565575 5163349275 5402770821 5458397805 5770306251 5905284175 6032965995 6377706909 6431870025 7108908975 7592508225 7641756927 8267397845 9004618035 9097329675 9617177085 10054943325 10629511515 11696566725 12736261545 13464047919 14881316121 15007696725 15490047825 16028628475 16375193415 17310918753 17715852525 19295610075 21227102575 22440079865 22777524675 22925270781 24802193535 27013854105 27291989025 28851531255 30164829975 31416111811 31888534545 38208784635 40392143757 41336989225 44643948363 45023090175 48085885425 53147557575 63681307725 67320239595 74406580605 81875967075 86554593765 94248335433 112200399325 114626353905 121176431271 124010967675 135069270525 144257656275 157080559055 159442672725 191043923175 201960718785 223219741815 282745006299 336601197975 372032903025 432772968825 471241677165 573131769525 605882156355 785402795275 848235018897 1009803593925 1116098709075 1413725031495 2356208385825 3029410781775 4241175094485 7068625157475 21205875472425
• Sum of all divisors σ(n): 49339515506400
• Sum of proper divisors (its aliquot sum) s(n): 28133640033975
• 21205875472425 is an abundant number, because the sum of its proper divisors (28133640033975) is greater than itself. Its abundance is 6927764561550

Bases of 21205875472425

• Binary: 100110100100101100000101011001011100000101001₂
• Hexadecimal: 0x134960ACB829
• Base-36: 7ILUEQIW9

Squares and roots of 21205875472425

• 21205875472425 squared (21205875472425²) is 449689154551996216935380625
• 21205875472425 cubed (21205875472425³) is 9536052212729711616031377396869066765625
• The square root of 21205875472425 is 4604983.7646212175
• The cube root of 21205875472425 is 27679.1066418617

Scales and comparisons

• 21,205,875,472,425 seconds is equal to 674,281 years, 12 weeks, 5 days, 12 hours, 33 minutes, 45 seconds.
• To count from 1 to 21,205,875,472,425 would take you about one million, six hundred eighty-five thousand, seven hundred three 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 21205875472425 cubic inches would be around 2306.6 feet tall.

Recreational maths with 21205875472425

• 21205875472425 backwards is 52427457850212
• The number of decimal digits it has is: 14
• The sum of 21205875472425's digits is 54
• More coming soon!