21304339638864

Names of 21304339638864

• Cardinal: 21304339638864 can be written as Twenty-one trillion, three hundred four billion, three hundred thirty-nine million, six hundred thirty-eight thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.1304339638864 × 10¹³

Factors of 21304339638864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 14898509

Divisors of 21304339638864

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 961 1488 1922 2883 3844 5766 7688 11532 15376 23064 29791 46128 59582 89373 119164 178746 238328 357492 476656 714984 1429968 14898473 29796946 44695419 59593892 89390838 119187784 178781676 238375568 357563352 461852663 715126704 923705326 1385557989 1847410652 2771115978 3694821304 5542231956 7389642608 11084463912 14317432553 22168927824 28634865106 42952297659 57269730212 85904595318 114539460424 171809190636 229078920848 343618381272 443840409143 687236762544 887680818286 1331521227429 1775361636572 2663042454858 3550723273144 5326084909716 7101446546288 10652169819432 21304339638864
• Sum of all divisors σ(n): 56870693328384
• Sum of proper divisors (its aliquot sum) s(n): 35566353689520
• 21304339638864 is an abundant number, because the sum of its proper divisors (35566353689520) is greater than itself. Its abundance is 14262014050656

Bases of 21304339638864

• Binary: 100110110000001001101100110001010101001010000₂
• Hexadecimal: 0x13604D98AA50
• Base-36: 7JV2TRBYO

Squares and roots of 21304339638864

• 21304339638864 squared (21304339638864²) is 453874887448071869939210496
• 21304339638864 cubed (21304339638864³) is 9669504755744894108173836915985918316544
• The square root of 21304339638864 is 4615662.4268748251
• The cube root of 21304339638864 is 27721.8808371085

Scales and comparisons

• 21,304,339,638,864 seconds is equal to 677,412 years, 5 weeks, 2 days, 1 hour, 54 minutes, 24 seconds.
• To count from 1 to 21,304,339,638,864 would take you about one million, six hundred ninety-three thousand, five hundred thirty 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 21304339638864 cubic inches would be around 2310.2 feet tall.

Recreational maths with 21304339638864

• 21304339638864 backwards is 46883693340312
• The number of decimal digits it has is: 14
• The sum of 21304339638864's digits is 60
• More coming soon!