1385818231563809

Names of 1385818231563809

• Cardinal: 1385818231563809 can be written as One quadrillion, three hundred eighty-five trillion, eight hundred eighteen billion, two hundred thirty-one million, five hundred sixty-three thousand, eight hundred nine.

Scientific notation

• Scientific notation: 1.385818231563809 × 10¹⁵

Factors of 1385818231563809

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 666807

Divisors of 1385818231563809

• Number of divisors d(n): 8
• Complete list of divisors:
  1 21839 121139 523829 2645554621 11439901531 63456121231 1385818231563809
• Sum of all divisors σ(n): 1385895773808000
• Sum of proper divisors (its aliquot sum) s(n): 77542244191
• 1385818231563809 is a deficient number, because the sum of its proper divisors (77542244191) is less than itself. Its deficiency is 1385740689319618

Bases of 1385818231563809

• Binary: 100111011000110010011110011011010100110011000100001₂
• Hexadecimal: 0x4EC64F36A6621
• Base-36: DN8C3UB1GH

Squares and roots of 1385818231563809

• 1385818231563809 squared (1385818231563809²) is 1920492170934642943321638588481
• 1385818231563809 cubed (1385818231563809³) is 2661453064056787270733116555941306128043884129
• The square root of 1385818231563809 is 37226579.6382612757
• The cube root of 1385818231563809 is 111489.8737092275

Scales and comparisons

• 1,385,818,231,563,809 seconds is equal to 44,064,733 years, 7 weeks, 4 days, 7 hours, 43 minutes, 29 seconds.
• To count from 1 to 1,385,818,231,563,809 would take you about one hundred thirty-two million, one hundred ninety-four thousand, one hundred ninety-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 1385818231563809 cubic inches would be around 9290.8 feet tall.

Recreational maths with 1385818231563809

• 1385818231563809 backwards is 9083651328185831
• The number of decimal digits it has is: 16
• The sum of 1385818231563809's digits is 71
• More coming soon!