40964645995840728

Names of 40964645995840728

• Cardinal: 40964645995840728 can be written as Forty quadrillion, nine hundred sixty-four trillion, six hundred forty-five billion, nine hundred ninety-five million, eight hundred forty thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.0964645995840728 × 10¹⁶

Factors of 40964645995840728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 27093019838531

Divisors of 40964645995840728

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 108 126 168 189 216 252 378 504 756 1512 27093019838519 54186039677038 81279059515557 108372079354076 162558119031114 189651138869633 216744158708152 243837178546671 325116238062228 379302277739266 487674357093342 568953416608899 650232476124456 731511535640013 758604555478532 975348714186684 1137906833217798 1463023071280026 1517209110957064 1706860249826697 1950697428373368 2275813666435596 2926046142560052 3413720499653394 4551627332871192 5120580749480091 5852092285120104 6827440999306788 10241161498960182 13654881998613576 20482322997920364 40964645995840728
• Sum of all divisors σ(n): 130046495224896000
• Sum of proper divisors (its aliquot sum) s(n): 89081849229055272
• 40964645995840728 is an abundant number, because the sum of its proper divisors (89081849229055272) is greater than itself. Its abundance is 48117203233214544

Bases of 40964645995840728

• Binary: 10010001100010010010000011100100111011101000010011011000₂
• Hexadecimal: 0x918920E4EE84D8
• Base-36: B7CR6KM3UU0

Squares and roots of 40964645995840728

• 40964645995840728 squared (40964645995840728²) is 1678102221564549789821875543569984
• 40964645995840728 cubed (40964645995840728³) is 68742863451225664706136306564989958849808585508352
• The square root of 40964645995840728 is 202397247.9947312129
• The cube root of 40964645995840728 is 344722.5831084631

Scales and comparisons

• 40,964,645,995,840,728 seconds is equal to 1,302,549,030 years, 36 weeks, 2 days, 1 hour, 58 minutes, 48 seconds.
• To count from 1 to 40,964,645,995,840,728 would take you about three billion, nine hundred seven million, six hundred forty-seven thousand and ninety-two 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 40964645995840728 cubic inches would be around 28726.9 feet tall.

Recreational maths with 40964645995840728

• 40964645995840728 backwards is 82704859954646904
• The number of decimal digits it has is: 17
• The sum of 40964645995840728's digits is 90
• More coming soon!