138018925978367339504

Names of 138018925978367339504

• Cardinal: 138018925978367339504 can be written as One hundred thirty-eight quintillion, eighteen quadrillion, nine hundred twenty-five trillion, nine hundred seventy-eight billion, three hundred sixty-seven million, three hundred thirty-nine thousand, five hundred four.

Scientific notation

• Scientific notation: 1.38018925978367339504 × 10²⁰

Factors of 138018925978367339504

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 297454581849929642

Divisors of 138018925978367339504

• Number of divisors d(n): 20
• Complete list of divisors:
  1 2 4 8 16 29 58 116 232 464 297454581849929611 594909163699859222 1189818327399718444 2379636654799436888 4759273309598873776 8626182873647958719 17252365747295917438 34504731494591834876 69009462989183669752 138018925978367339504
• Sum of all divisors σ(n): 276632761120434539160
• Sum of proper divisors (its aliquot sum) s(n): 138613835142067199656
• 138018925978367339504 is an abundant number, because the sum of its proper divisors (138613835142067199656) is greater than itself. Its abundance is 594909163699860152

Bases of 138018925978367339504

• Binary: 1110111101101100101101110011110101111110101100001001010101111110000₂
• Hexadecimal: 0x77B65B9EBF584ABF0
• Base-36: T4LPLZI4L727K

Squares and roots of 138018925978367339504

• 138018925978367339504 squared (138018925978367339504²) is 19049223928222042864106877408135198966016
• 138018925978367339504 cubed (138018925978367339504³) is 2629153427294622051678488242901700280856957631116765630296064
• The square root of 138018925978367339504 is 11748145639.9879270267
• The cube root of 138018925978367339504 is 5167885.4802555375

Scales and comparisons

• 138,018,925,978,367,339,504 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,018,925,978,367,339,504 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 138018925978367339504 cubic inches would be around 430657.1 feet tall.

Recreational maths with 138018925978367339504

• 138018925978367339504 backwards is 405933763879529810831
• The number of decimal digits it has is: 21
• The sum of 138018925978367339504's digits is 101
• More coming soon!