21092809647429

Names of 21092809647429

• Cardinal: 21092809647429 can be written as Twenty-one trillion, ninety-two billion, eight hundred nine million, six hundred forty-seven thousand, four hundred twenty-nine.

Scientific notation

• Scientific notation: 2.1092809647429 × 10¹³

Factors of 21092809647429

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 567

Divisors of 21092809647429

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 9 13 23 27 37 39 69 111 117 169 207 299 333 351 481 491 507 529 621 851 897 999 1369 1443 1473 1521 1587 2197 2553 2691 3887 4107 4329 4419 4563 4761 6253 6383 6591 6877 7659 8073 11063 11293 11661 12321 12987 13257 14283 17797 18167 18759 19149 19573 19773 20631 22977 31487 33189 33879 34983 36963 50531 53391 54501 56277 57447 58719 59319 61893 81289 82979 89401 94461 99567 101637 104949 143819 146809 151593 160173 163503 168831 172341 176157 185679 231361 236171 243867 248937 254449 259739 268203 283383 298701 304911 409331 417841 431457 440427 454779 480519 490509 528471 672179 694083 708513 724201 731601 746811 763347 779217 804609 850149 1078727 1162213 1227993 1253523 1294371 1321281 1364337 1869647 1908517 2016537 2082249 2125539 2172603 2194803 2240433 2290041 2337651 2413827 3007693 3070223 3236181 3307837 3376607 3486639 3683979 3760569 3883113 3963843 5321303 5431933 5608941 5725551 6049611 6246747 6376617 6517809 6870123 7012953 8738327 9023079 9210669 9414613 9610343 9708543 9923511 10129821 10459917 11051937 11281707 15460117 15963909 16295799 16826823 17176653 18148833 19553427 24810721 26214981 27069237 27632007 28243839 28831029 29125629 29770533 30389463 31379751 39912899 43001881 43895891 46380351 47891727 48887397 50480469 51529959 69176939 70615129 74432163 78644943 81207711 82896021 84731517 86493087 89311599 91168389 113598251 119738697 122389969 124934459 129005643 131687673 139141053 143675181 146662191 200981521 207530817 211845387 223296489 235934829 254194551 259479261 340794753 355582691 359216091 367169907 374803377 387016929 395063019 417423159 570646583 602944563 622592451 635536161 669889467 917996677 1022384259 1066748073 1077648273 1101509721 1124410131 1161050787 1185189057 1476777263 1591069597 1624147967 1711939749 1808833689 1867777353 1906608483 2612759773 2753990031 3067152777 3200244219 3304529163 3373230393 4430331789 4622574983 4773208791 4872443901 5135819247 5426501067 7838279319 8261970093 9600732657 13290995367 13867724949 14319626373 14617331703 15407457741 21113923571 23514837957 24785910279 33965877049 39872986101 41603174847 42958879119 43851995109 60093474779 63341770713 70544513871 101897631147 124809524541 180280424337 190025312139 305692893441 540841273011 570075936417 781215172127 917078680323 1622523819033 2343645516381 7030936549143 21092809647429
• Sum of all divisors σ(n): 36443600726400
• Sum of proper divisors (its aliquot sum) s(n): 15350791078971
• 21092809647429 is a deficient number, because the sum of its proper divisors (15350791078971) is less than itself. Its deficiency is 5742018568458

Bases of 21092809647429

• Binary: 100110010111100001101011011010010010101000101₂
• Hexadecimal: 0x132F0D6D2545
• Base-36: 7H5WI9HZ9

Squares and roots of 21092809647429

• 21092809647429 squared (21092809647429²) is 444906618822673895286310041
• 21092809647429 cubed (21092809647429³) is 9384330621707912660305075360915592534589
• The square root of 21092809647429 is 4592690.8939562871
• The cube root of 21092809647429 is 27629.8256513619

Scales and comparisons

• 21,092,809,647,429 seconds is equal to 670,686 years, 5 weeks, 2 days, 6 hours, 57 minutes, 9 seconds.
• To count from 1 to 21,092,809,647,429 would take you about one million, six hundred seventy-six thousand, seven hundred fifteen 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 21092809647429 cubic inches would be around 2302.5 feet tall.

Recreational maths with 21092809647429

• 21092809647429 backwards is 92474690829012
• The number of decimal digits it has is: 14
• The sum of 21092809647429's digits is 63
• More coming soon!