21329631785915064

Names of 21329631785915064

• Cardinal: 21329631785915064 can be written as Twenty-one quadrillion, three hundred twenty-nine trillion, six hundred thirty-one billion, seven hundred eighty-five million, nine hundred fifteen thousand and sixty-four.

Scientific notation

• Scientific notation: 2.1329631785915064 × 10¹⁶

Factors of 21329631785915064

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6239493638

Divisors of 21329631785915064

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 79 158 237 316 474 601 632 711 948 1202 1422 1803 1896 2404 2844 3606 4808 5409 5688 7212 10818 14424 21636 43272 47479 94958 142437 189916 284874 379832 427311 569748 854622 1139496 1709244 3418488 6239492953 12478985906 18718478859 24957971812 37436957718 49915943624 56155436577 74873915436 112310873154 149747830872 224621746308 449243492616 492919943287 985839886574 1478759829861 1971679773148 2957519659722 3749935264753 3943359546296 4436279489583 5915039319444 7499870529506 8872558979166 11249805794259 11830078638888 14999741059012 17745117958332 22499611588518 29999482118024 33749417382777 35490235916664 44999223177036 67498834765554 89998446354072 134997669531108 269995339062216 296244885915487 592489771830974 888734657746461 1184979543661948 1777469315492922 2369959087323896 2666203973239383 3554938630985844 5332407946478766 7109877261971688 10664815892957532 21329631785915064
• Sum of all divisors σ(n): 58596326229604800
• Sum of proper divisors (its aliquot sum) s(n): 37266694443689736
• 21329631785915064 is an abundant number, because the sum of its proper divisors (37266694443689736) is greater than itself. Its abundance is 15937062657774672

Bases of 21329631785915064

• Binary: 1001011110001110010111111100101110010100001001010111000₂
• Hexadecimal: 0x4BC72FE5CA12B8
• Base-36: 5U0Q1KIK720

Squares and roots of 21329631785915064

• 21329631785915064 squared (21329631785915064²) is 454953192122718242585255822124096
• 21329631785915064 cubed (21329631785915064³) is 9703984067804253935442396201867458789607523782144
• The square root of 21329631785915064 is 146046676.7369770177
• The cube root of 21329631785915064 is 277328.4681272055

Scales and comparisons

• 21,329,631,785,915,064 seconds is equal to 678,216,313 years, 47 weeks, 1 day, 21 hours, 44 minutes, 24 seconds.
• To count from 1 to 21,329,631,785,915,064 would take you about two billion, thirty-four million, six hundred forty-eight thousand, nine hundred forty-one 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 21329631785915064 cubic inches would be around 23110.7 feet tall.

Recreational maths with 21329631785915064

• 21329631785915064 backwards is 46051958713692312
• 21329631785915064 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21329631785915064's digits is 72
• More coming soon!