1399608155

Names of 1399608155

• Cardinal: 1399608155 can be written as One billion, three hundred ninety-nine million, six hundred eight thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 1.399608155 × 10⁹

Factors of 1399608155

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 25447437

Divisors of 1399608155

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 11 55 25447421 127237105 279921631 1399608155
• Sum of all divisors σ(n): 1832214384
• Sum of proper divisors (its aliquot sum) s(n): 432606229
• 1399608155 is a deficient number, because the sum of its proper divisors (432606229) is less than itself. Its deficiency is 967001926

Bases of 1399608155

• Binary: 1010011011011000101001101011011₂
• Hexadecimal: 0x536C535B
• Base-36: N5AGKB

Squares and roots of 1399608155

• 1399608155 squared (1399608155²) is 1958902987542504025
• 1399608155 cubed (1399608155³) is 2741696596218352042510323875
• The square root of 1399608155 is 37411.3372522287
• The cube root of 1399608155 is 1118.5845626595

Scales and comparisons

• 1,399,608,155 seconds is equal to 44 years, 26 weeks, 1 day, 4 hours, 2 minutes, 35 seconds.
• To count from 1 to 1,399,608,155 would take you about eighty-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 1399608155 cubic inches would be around 93.2 feet tall.

Recreational maths with 1399608155

• 1399608155 backwards is 5518069931
• The number of decimal digits it has is: 10
• The sum of 1399608155's digits is 47
• More coming soon!