1213115342

Names of 1213115342

• Cardinal: 1213115342 can be written as One billion, two hundred thirteen million, one hundred fifteen thousand, three hundred forty-two.

Scientific notation

• Scientific notation: 1.213115342 × 10⁹

Factors of 1213115342

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 315883

Divisors of 1213115342

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 17 34 113 226 1921 3842 315751 631502 5367767 10735534 35679863 71359726 606557671 1213115342
• Sum of all divisors σ(n): 1943769312
• Sum of proper divisors (its aliquot sum) s(n): 730653970
• 1213115342 is a deficient number, because the sum of its proper divisors (730653970) is less than itself. Its deficiency is 482461372

Bases of 1213115342

• Binary: 1001000010011101010101111001110₂
• Hexadecimal: 0x484EABCE
• Base-36: K299SE

Squares and roots of 1213115342

• 1213115342 squared (1213115342²) is 1471648832995776964
• 1213115342 cubed (1213115342³) is 1785279777343572856238581688
• The square root of 1213115342 is 34829.8053683911
• The cube root of 1213115342 is 1066.5159751749

Scales and comparisons

• 1,213,115,342 seconds is equal to 38 years, 29 weeks, 5 days, 16 hours, 29 minutes, 2 seconds.
• To count from 1 to 1,213,115,342 would take you about seventy-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 1213115342 cubic inches would be around 88.9 feet tall.

Recreational maths with 1213115342

• 1213115342 backwards is 2435113121
• The number of decimal digits it has is: 10
• The sum of 1213115342's digits is 23
• More coming soon!