20421015848805

Names of 20421015848805

• Cardinal: 20421015848805 can be written as Twenty trillion, four hundred twenty-one billion, fifteen million, eight hundred forty-eight thousand, eight hundred five.

Scientific notation

• Scientific notation: 2.0421015848805 × 10¹³

Factors of 20421015848805

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3228

Divisors of 20421015848805

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 11 13 15 33 37 39 55 65 111 143 151 165 185 195 407 429 453 481 555 715 755 757 1221 1443 1661 1963 2035 2145 2251 2265 2271 2405 3785 4983 5291 5587 5889 6105 6753 7215 8305 8327 9815 9841 11255 11355 15873 16761 21593 24761 24915 24981 26455 27935 28009 29263 29445 29523 33765 41635 49205 61457 64779 72631 74283 79365 83287 83805 84027 87789 107965 108251 114307 123805 124905 140045 146315 147615 184371 217893 249861 307285 308099 321893 323895 324753 339901 342921 363155 364117 371415 416435 420135 438945 541255 571535 798941 916157 921855 924297 965679 1019703 1082731 1089465 1092351 1249305 1257377 1485991 1540495 1609465 1623765 1699505 1704007 1714605 1820585 2396823 2748471 3248193 3738911 3772131 3994705 4005287 4229359 4418713 4457973 4580785 4621485 4828395 5098515 5112021 5413655 5461755 6286885 7429955 8520035 11216733 11910041 11984115 12015861 12576337 12688077 13256139 13742355 16240965 16345901 18694555 18744077 18860655 20026435 21146795 22093565 22152091 22289865 25560105 35730123 37729011 46522949 48605843 49037703 54981667 56083665 56232231 59550205 60079305 62881685 63048259 63440385 66280695 66456273 81729505 93720385 110760455 138339707 139568847 145817529 163492381 164945001 178650615 188645055 189144777 232614745 243029215 243673001 245188515 257305057 274908335 281161155 315241295 332281365 415019121 490477143 604798337 691698535 693530849 697844235 729087645 731019003 771915171 817461905 819627367 824725005 945723885 1218365005 1286525285 1798416191 1814395011 2075095605 2080592547 2452385715 2458882101 2830355627 3023991685 3344965741 3467654245 3655095015 3859575855 4098136835 5395248573 8491066881 8992080955 9015901037 9071975055 9520287109 10034897223 10402962735 12294410505 14151778135 16724828705 26976242865 27047703111 28560861327 36794623151 42455334405 45079505185 47601435545 50174486115 104723158199 110383869453 123763732417 135238515555 142804306635 183973115755 314169474597 371291197251 523615790995 551919347265 618818662085 1361401056587 1570847372985 1856455986255 4084203169761 6807005282935 20421015848805
• Sum of all divisors σ(n): 39754408845312
• Sum of proper divisors (its aliquot sum) s(n): 19333392996507
• 20421015848805 is a deficient number, because the sum of its proper divisors (19333392996507) is less than itself. Its deficiency is 1087622852298

Bases of 20421015848805

• Binary: 100101001001010100011011001010100011101100101₂
• Hexadecimal: 0x1292A3654765
• Base-36: 78LA9KXGL

Squares and roots of 20421015848805

• 20421015848805 squared (20421015848805²) is 417017888297144994619928025
• 20421015848805 cubed (20421015848805³) is 8515928906151191068366626655813382260125
• The square root of 20421015848805 is 4518961.8109478421
• The cube root of 20421015848805 is 27333.3238799249

Scales and comparisons

• 20,421,015,848,805 seconds is equal to 649,325 years, 7 weeks, 1 day, 2 hours, 26 minutes, 45 seconds.
• To count from 1 to 20,421,015,848,805 would take you about one million, six hundred twenty-three thousand, three hundred twelve 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 20421015848805 cubic inches would be around 2277.8 feet tall.

Recreational maths with 20421015848805

• 20421015848805 backwards is 50884851012402
• The number of decimal digits it has is: 14
• The sum of 20421015848805's digits is 48
• More coming soon!