40390680355216768

Names of 40390680355216768

• Cardinal: 40390680355216768 can be written as Forty quadrillion, three hundred ninety trillion, six hundred eighty billion, three hundred fifty-five million, two hundred sixteen thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 4.0390680355216768 × 10¹⁶

Factors of 40390680355216768

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1662986535

Divisors of 40390680355216768

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 16 31 32 62 64 124 128 248 496 992 1984 3968 6121 12242 24484 48968 97936 189751 195872 379502 391744 759004 783488 1518008 3036016 6072032 12144064 24288128 1662980381 3325960762 6651921524 13303843048 26607686096 51552391811 53215372192 103104783622 106430744384 206209567244 212861488768 412419134488 824838268976 1649676537952 3299353075904 6598706151808 10179102912101 20358205824202 40716411648404 81432823296808 162865646593616 315552190275131 325731293187232 631104380550262 651462586374464 1262208761100524 1302925172748928 2524417522201048 5048835044402096 10097670088804192 20195340177608384 40390680355216768
• Sum of all divisors σ(n): 83075049732608640
• Sum of proper divisors (its aliquot sum) s(n): 42684369377391872
• 40390680355216768 is an abundant number, because the sum of its proper divisors (42684369377391872) is greater than itself. Its abundance is 2293689022175104

Bases of 40390680355216768

• Binary: 10001111011111110001110000011010110011110001110110000000₂
• Hexadecimal: 0x8F7F1C1ACF1D80
• Base-36: B1PAUEB175S

Squares and roots of 40390680355216768

• 40390680355216768 squared (40390680355216768²) is 1631407059557293740023432268365824
• 40390680355216768 cubed (40390680355216768³) is 65893641071822736107615038410993974756136642936832
• The square root of 40390680355216768 is 200974327.6023501665
• The cube root of 40390680355216768 is 343105.0072893625

Scales and comparisons

• 40,390,680,355,216,768 seconds is equal to 1,284,298,698 years, 37 weeks, 2 days, 12 hours, 39 minutes, 28 seconds.
• To count from 1 to 40,390,680,355,216,768 would take you about three billion, eight hundred fifty-two million, eight hundred ninety-six thousand and ninety-six 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 40390680355216768 cubic inches would be around 28592.1 feet tall.

Recreational maths with 40390680355216768

• 40390680355216768 backwards is 86761255308609304
• The number of decimal digits it has is: 17
• The sum of 40390680355216768's digits is 73
• More coming soon!