12820188820518017

Names of 12820188820518017

• Cardinal: 12820188820518017 can be written as Twelve quadrillion, eight hundred twenty trillion, one hundred eighty-eight billion, eight hundred twenty million, five hundred eighteen thousand and seventeen.

Scientific notation

• Scientific notation: 1.2820188820518017 × 10¹⁶

Factors of 12820188820518017

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1428142003

Divisors of 12820188820518017

• Number of divisors d(n): 8
• Complete list of divisors:
  1 109 82361 8977349 1428059533 155658489097 117616411197413 12820188820518017
• Sum of all divisors σ(n): 12937962327323880
• Sum of proper divisors (its aliquot sum) s(n): 117773506805863
• 12820188820518017 is a deficient number, because the sum of its proper divisors (117773506805863) is less than itself. Its deficiency is 12702415313712154

Bases of 12820188820518017

• Binary: 101101100010111110010011010000100110011011010010000001₂
• Hexadecimal: 0x2D8BE4D099B481
• Base-36: 3I8DLFS9Q4H

Squares and roots of 12820188820518017

• 12820188820518017 squared (12820188820518017²) is 164357241393735143904208221612289
• 12820188820518017 cubed (12820188820518017³) is 2107090868687144355036879891705776042743913110913
• The square root of 12820188820518017 is 113226272.6601826145
• The cube root of 12820188820518017 is 234044.3387656191

Scales and comparisons

• 12,820,188,820,518,017 seconds is equal to 407,642,349 years, 2 weeks, 2 days, 7 hours, 17 seconds.
• To count from 1 to 12,820,188,820,518,017 would take you about one billion, two hundred twenty-two million, nine hundred twenty-seven thousand and forty-seven 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 12820188820518017 cubic inches would be around 19503.7 feet tall.

Recreational maths with 12820188820518017

• 12820188820518017 backwards is 71081502888102821
• The number of decimal digits it has is: 17
• The sum of 12820188820518017's digits is 62
• More coming soon!