64328540672

Names of 64328540672

• Cardinal: 64328540672 can be written as Sixty-four billion, three hundred twenty-eight million, five hundred forty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 6.4328540672 × 10¹⁰

Factors of 64328540672

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1032

Divisors of 64328540672

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 256 352 484 512 704 968 1019 1408 1936 2038 2816 3872 4076 5632 7744 8152 11209 15488 16304 22418 30976 32608 44836 61952 65216 89672 123299 130432 179344 246598 260864 358688 493196 521728 717376 986392 1038361 1434752 1972784 2076722 2869504 3945568 4153444 5739008 7891136 8306888 11421971 15782272 16613776 22843942 31564544 33227552 45687884 63129088 66455104 91375768 125641681 132910208 182751536 251283362 265820416 365503072 502566724 531640832 731006144 1005133448 1462012288 2010266896 2924024576 4020533792 5848049152 8041067584 16082135168 32164270336 64328540672
• Sum of all divisors σ(n): 141417139479
• Sum of proper divisors (its aliquot sum) s(n): 77088598807
• 64328540672 is an abundant number, because the sum of its proper divisors (77088598807) is greater than itself. Its abundance is 12760058135

Bases of 64328540672

• Binary: 111011111010010001111010001000000000₂
• Hexadecimal: 0xEFA47A200
• Base-36: TJVJVNK

Squares and roots of 64328540672

• 64328540672 squared (64328540672²) is 4138161144989158211584
• 64328540672 cubed (64328540672³) is 266201867522725153012924125544448
• The square root of 64328540672 is 253630.7171302403
• The cube root of 64328540672 is 4006.8329184933

Scales and comparisons

• 64,328,540,672 seconds is equal to 2,045 years, 23 weeks, 2 days, 7 hours, 4 minutes, 32 seconds.
• To count from 1 to 64,328,540,672 would take you about four thousand and ninety 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 64328540672 cubic inches would be around 333.9 feet tall.

Recreational maths with 64328540672

• 64328540672 backwards is 27604582346
• The number of decimal digits it has is: 11
• The sum of 64328540672's digits is 47
• More coming soon!