64386946488

Names of 64386946488

• Cardinal: 64386946488 can be written as Sixty-four billion, three hundred eighty-six million, nine hundred forty-six thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 6.4386946488 × 10¹⁰

Factors of 64386946488

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 62304

Divisors of 64386946488

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 1933 3866 5799 7732 11598 15464 23196 44459 46392 60343 88918 120686 133377 177836 181029 241372 266754 355672 362058 482744 533508 724116 1067016 1387889 1448232 2775778 4163667 5551556 8327334 11103112 16654668 33309336 116643019 233286038 349929057 466572076 699858114 933144152 1399716228 2682789437 2799432456 5365578874 8048368311 10731157748 16096736622 21462315496 32193473244 64386946488
• Sum of all divisors σ(n): 168055626240
• Sum of proper divisors (its aliquot sum) s(n): 103668679752
• 64386946488 is an abundant number, because the sum of its proper divisors (103668679752) is greater than itself. Its abundance is 39281733264

Bases of 64386946488

• Binary: 111011111101110000101101010110111000₂
• Hexadecimal: 0xEFDC2D5B8
• Base-36: TKUBPVC

Squares and roots of 64386946488

• 64386946488 squared (64386946488²) is 4145678878048575534144
• 64386946488 cubed (64386946488³) is 266927604077345510781555744886272
• The square root of 64386946488 is 253745.8304839707
• The cube root of 64386946488 is 4008.0451930355

Scales and comparisons

• 64,386,946,488 seconds is equal to 2,047 years, 15 weeks, 6 days, 6 hours, 54 minutes, 48 seconds.
• To count from 1 to 64,386,946,488 would take you about four thousand and ninety-four 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 64386946488 cubic inches would be around 334 feet tall.

Recreational maths with 64386946488

• 64386946488 backwards is 88464968346
• The number of decimal digits it has is: 11
• The sum of 64386946488's digits is 66
• More coming soon!