640027498690161

Names of 640027498690161

• Cardinal: 640027498690161 can be written as Six hundred forty trillion, twenty-seven billion, four hundred ninety-eight million, six hundred ninety thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 6.40027498690161 × 10¹⁴

Factors of 640027498690161

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 569723

Divisors of 640027498690161

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 41 73 123 219 369 657 2993 8979 26937 45319 135957 407871 524287 1572861 1858079 3308287 4718583 5574237 9924861 16722711 21495767 29774583 38272951 64487301 114818853 135639767 193461903 344456559 406919301 1220757903 1569190991 4707572973 14122718919 23760162553 71280487659 213841462977 974166664673 1734491866369 2922499994019 5203475599107 8767499982057 15610426797321 71114166521129 213342499563387 640027498690161
• Sum of all divisors σ(n): 960028622192640
• Sum of proper divisors (its aliquot sum) s(n): 320001123502479
• 640027498690161 is a deficient number, because the sum of its proper divisors (320001123502479) is less than itself. Its deficiency is 320026375187682

Bases of 640027498690161

• Binary: 10010001100001101000000011101101001011011001110001₂
• Hexadecimal: 0x2461A03B4B671
• Base-36: 6AVCKNP6Y9

Squares and roots of 640027498690161

• 640027498690161 squared (640027498690161²) is 409635199079584040570678205921
• 640027498690161 cubed (640027498690161³) is 262177791842352314999146465323046256934643281
• The square root of 640027498690161 is 25298764.7660940355
• The cube root of 640027498690161 is 86178.6218363487

Scales and comparisons

• 640,027,498,690,161 seconds is equal to 20,350,894 years, 37 weeks, 4 days, 6 hours, 49 minutes, 21 seconds.
• To count from 1 to 640,027,498,690,161 would take you about fifty million, eight hundred seventy-seven thousand, two hundred thirty-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 640027498690161 cubic inches would be around 7181.6 feet tall.

Recreational maths with 640027498690161

• 640027498690161 backwards is 161096894720046
• The number of decimal digits it has is: 15
• The sum of 640027498690161's digits is 63
• More coming soon!