21214746403321438

Names of 21214746403321438

• Cardinal: 21214746403321438 can be written as Twenty-one quadrillion, two hundred fourteen trillion, seven hundred forty-six billion, four hundred three million, three hundred twenty-one thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 2.1214746403321438 × 10¹⁶

Factors of 21214746403321438

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3751

Divisors of 21214746403321438

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 11 22 121 191 242 382 2101 3547 4202 7094 23111 36481 39017 46222 72962 78034 401291 429187 677477 802582 858374 1354954 4414201 6967871 7452247 8828402 12581209 13935742 14904494 25162418 76646581 81974717 129398107 138393299 153293162 163949434 258796214 276786598 843112391 1423379177 1522326289 1686224782 2403010919 2846758354 3044652578 4806021838 15657170947 24715038437 26433120109 31314341894 49430076874 52866240218 271865422807 290764321199 458975085529 543730845614 581528642398 917950171058 2990519650877 5048725940819 5981039301754 10097451881638 55535985349009 87664241336039 111071970698018 175328482672078 964306654696429 1928613309392858 10607373201660719 21214746403321438
• Sum of all divisors σ(n): 35172043170187392
• Sum of proper divisors (its aliquot sum) s(n): 13957296766865954
• 21214746403321438 is a deficient number, because the sum of its proper divisors (13957296766865954) is less than itself. Its deficiency is 7257449636455484

Bases of 21214746403321438

• Binary: 1001011010111101011001100001111010111101011011001011110₂
• Hexadecimal: 0x4B5EB30F5EB65E
• Base-36: 5SVZZYC0MLA

Squares and roots of 21214746403321438

• 21214746403321438 squared (21214746403321438²) is 450065464957239889717678350387844
• 21214746403321438 cubed (21214746403321438³) is 9548024703960795642121158745072558247517099799672
• The square root of 21214746403321438 is 145652828.3395878243
• The cube root of 21214746403321438 is 276829.6571717945

Scales and comparisons

• 21,214,746,403,321,438 seconds is equal to 674,563,314 years, 5 weeks, 3 days, 17 hours, 43 minutes, 58 seconds.
• To count from 1 to 21,214,746,403,321,438 would take you about two billion, twenty-three million, six hundred eighty-nine thousand, nine hundred forty-two 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 21214746403321438 cubic inches would be around 23069.1 feet tall.

Recreational maths with 21214746403321438

• 21214746403321438 backwards is 83412330464741212
• The number of decimal digits it has is: 17
• The sum of 21214746403321438's digits is 55
• More coming soon!