12801018361

Names of 12801018361

• Cardinal: 12801018361 can be written as Twelve billion, eight hundred one million, eighteen thousand, three hundred sixty-one.

Scientific notation

• Scientific notation: 1.2801018361 × 10¹⁰

Factors of 12801018361

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 3187562

Divisors of 12801018361

• Number of divisors d(n): 4
• Complete list of divisors:
  1 4021 3183541 12801018361
• Sum of all divisors σ(n): 12804205924
• Sum of proper divisors (its aliquot sum) s(n): 3187563
• 12801018361 is a deficient number, because the sum of its proper divisors (3187563) is less than itself. Its deficiency is 12797830798

Bases of 12801018361

• Binary: 1011111011000000000000100111111001₂
• Hexadecimal: 0x2FB0009F9
• Base-36: 5VPE8ZD

Squares and roots of 12801018361

• 12801018361 squared (12801018361²) is 163866071078659126321
• 12801018361 cubed (12801018361³) is 2097652584622846551295339379881
• The square root of 12801018361 is 113141.5854626405
• The cube root of 12801018361 is 2339.2762244591

Scales and comparisons

• 12,801,018,361 seconds is equal to 407 years, 1 week, 4 days, 22 hours, 26 minutes, 1 second.
• To count from 1 to 12,801,018,361 would take you about eight hundred fourteen 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 12801018361 cubic inches would be around 194.9 feet tall.

Recreational maths with 12801018361

• 12801018361 backwards is 16381010821
• The number of decimal digits it has is: 11
• The sum of 12801018361's digits is 31
• More coming soon!