21212190470790

Names of 21212190470790

• Cardinal: 21212190470790 can be written as Twenty-one trillion, two hundred twelve billion, one hundred ninety million, four hundred seventy thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 2.121219047079 × 10¹³

Factors of 21212190470790

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 973102

Divisors of 21212190470790

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 19 22 30 33 38 45 55 57 61 66 90 95 99 110 114 122 165 171 183 190 198 209 285 305 330 342 361 366 418 495 549 570 610 627 671 722 855 915 990 1045 1083 1098 1159 1254 1342 1710 1805 1830 1881 2013 2090 2166 2318 2745 3135 3249 3355 3477 3610 3762 3971 4026 5415 5490 5795 6039 6270 6498 6710 6954 7942 9405 10065 10431 10830 11590 11913 12078 12749 16245 17385 18810 19855 20130 20862 22021 23826 25498 30195 32490 34770 35739 38247 39710 44042 52155 59565 60390 63745 66063 71478 76494 104310 110105 114741 119130 127490 132126 178695 191235 198189 220210 229482 242231 330315 357390 382470 396378 484462 573705 660630 726693 973001 990945 1147410 1211155 1453386 1946002 1981890 2180079 2422310 2919003 3633465 4360158 4865005 5838006 7266930 8757009 9730010 10703011 10900395 14595015 17514018 18487019 21406022 21800790 29190030 32109033 36974038 43785045 53515055 55461057 59353061 64218066 87570090 92435095 96327099 107030110 110922114 118706122 160545165 166383171 178059183 184870190 192654198 203357209 277305285 296765305 321090330 332766342 351253361 356118366 406714418 481635495 534177549 554610570 593530610 610071627 652883671 702506722 831915855 890295915 963270990 1016786045 1053760083 1068355098 1127708159 1220143254 1305767342 1663831710 1756266805 1780591830 1830214881 1958651013 2033572090 2107520166 2255416318 2670887745 3050358135 3161280249 3264418355 3383124477 3512533610 3660429762 3863786971 3917302026 5268800415 5341775490 5638540795 5875953039 6100716270 6322560498 6528836710 6766248954 7727573942 9151074405 9793255065 10149373431 10537600830 11277081590 11591360913 11751906078 12404789749 15806401245 16915622385 18302148810 19318934855 19586510130 20298746862 21426455021 23182721826 24809579498 29379765195 31612802490 33831244770 34774082739 37214369247 38637869710 42852910042 50746867155 57956804565 58759530390 62023948745 64279365063 69548165478 74428738494 101493734310 107132275105 111643107741 115913609130 124047897490 128558730126 173870413695 186071846235 192838095189 214264550210 223286215482 235691005231 321396825315 347740827390 372143692470 385676190378 471382010462 558215538705 642793650630 707073015693 964190475945 1116431077410 1178455026155 1414146031386 1928380951890 2121219047079 2356910052310 3535365078465 4242438094158 7070730156930 10606095235395 21212190470790
• Sum of all divisors σ(n): 64539783109152
• Sum of proper divisors (its aliquot sum) s(n): 43327592638362
• 21212190470790 is an abundant number, because the sum of its proper divisors (43327592638362) is greater than itself. Its abundance is 22115402167572

Bases of 21212190470790

• Binary: 100110100101011011001000100111111001010000110₂
• Hexadecimal: 0x134AD913F286
• Base-36: 7IOQUIUTI

Squares and roots of 21212190470790

• 21212190470790 squared (21212190470790²) is 449957024569074081843224100
• 21212190470790 cubed (21212190470790³) is 9544574108829135145008406812750474039000
• The square root of 21212190470790 is 4605669.3835739013
• The cube root of 21212190470790 is 27681.8539333755

Scales and comparisons

• 21,212,190,470,790 seconds is equal to 674,482 years, 2 weeks, 1 day, 18 hours, 46 minutes, 30 seconds.
• To count from 1 to 21,212,190,470,790 would take you about one million, six hundred eighty-six thousand, two hundred five 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 21212190470790 cubic inches would be around 2306.8 feet tall.

Recreational maths with 21212190470790

• 21212190470790 backwards is 09707409121212
• 21212190470790 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21212190470790's digits is 45
• More coming soon!