64244509728

Names of 64244509728

• Cardinal: 64244509728 can be written as Sixty-four billion, two hundred forty-four million, five hundred nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 6.4244509728 × 10¹⁰

Factors of 64244509728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 311726

Divisors of 64244509728

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 307 336 614 672 921 1228 1842 2149 2456 3684 4298 4912 6447 7368 8596 9824 12894 14736 17192 25788 29472 34384 51576 68768 103152 206304 311407 622814 934221 1245628 1868442 2179849 2491256 3736884 4359698 4982512 6539547 7473768 8719396 9965024 13079094 14947536 17438792 26158188 29895072 34877584 52316376 69755168 95601949 104632752 191203898 209265504 286805847 382407796 573611694 669213643 764815592 1147223388 1338427286 1529631184 2007640929 2294446776 2676854572 3059262368 4015281858 4588893552 5353709144 8030563716 9177787104 10707418288 16061127432 21414836576 32122254864 64244509728
• Sum of all divisors σ(n): 193361946624
• Sum of proper divisors (its aliquot sum) s(n): 129117436896
• 64244509728 is an abundant number, because the sum of its proper divisors (129117436896) is greater than itself. Its abundance is 64872927168

Bases of 64244509728

• Binary: 111011110101010001010110110000100000₂
• Hexadecimal: 0xEF5456C20
• Base-36: TIHISYO

Squares and roots of 64244509728

• 64244509728 squared (64244509728²) is 4127357030191086633984
• 64244509728 cubed (64244509728³) is 265160028877040454955875863396352
• The square root of 64244509728 is 253465.0069102241
• The cube root of 64244509728 is 4005.0874793119

Scales and comparisons

• 64,244,509,728 seconds is equal to 2,042 years, 40 weeks, 2 days, 17 hours, 8 minutes, 48 seconds.
• To count from 1 to 64,244,509,728 would take you about four thousand and eighty-five 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 64244509728 cubic inches would be around 333.8 feet tall.

Recreational maths with 64244509728

• 64244509728 backwards is 82790544246
• The number of decimal digits it has is: 11
• The sum of 64244509728's digits is 51
• More coming soon!