18123516054854979

Names of 18123516054854979

• Cardinal: 18123516054854979 can be written as Eighteen quadrillion, one hundred twenty-three trillion, five hundred sixteen billion, fifty-four million, eight hundred fifty-four thousand, nine hundred seventy-nine.

Scientific notation

• Scientific notation: 1.8123516054854979 × 10¹⁶

Factors of 18123516054854979

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 17119676010

Divisors of 18123516054854979

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 59 177 5981 17943 352879 1058637 17119669967 51359009901 1010060528053 3030181584159 102392746072627 307178238217881 6041172018284993 18123516054854979
• Sum of all divisors σ(n): 24578367779658240
• Sum of proper divisors (its aliquot sum) s(n): 6454851724803261
• 18123516054854979 is a deficient number, because the sum of its proper divisors (6454851724803261) is less than itself. Its deficiency is 11668664330051718

Bases of 18123516054854979

• Binary: 1000000011000110011110111101000100001111101110101000011₂
• Hexadecimal: 0x40633DE887DD43
• Base-36: 4YG90C3QQTF

Squares and roots of 18123516054854979

• 18123516054854979 squared (18123516054854979²) is 328461834190586182181396721090441
• 18123516054854979 cubed (18123516054854979³) is 5952883325360202738969545398280836236640998155739
• The square root of 18123516054854979 is 134623608.8316420783
• The cube root of 18123516054854979 is 262672.2246600583

Scales and comparisons

• 18,123,516,054,854,979 seconds is equal to 576,271,750 years, 43 weeks, 13 hours, 29 minutes, 39 seconds.
• To count from 1 to 18,123,516,054,854,979 would take you about one billion, seven hundred twenty-eight million, eight hundred fifteen thousand, two hundred fifty-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 18123516054854979 cubic inches would be around 21889.4 feet tall.

Recreational maths with 18123516054854979

• 18123516054854979 backwards is 97945845061532181
• The number of decimal digits it has is: 17
• The sum of 18123516054854979's digits is 78
• More coming soon!