1438885091

Names of 1438885091

• Cardinal: 1438885091 can be written as One billion, four hundred thirty-eight million, eight hundred eighty-five thousand and ninety-one.

Scientific notation

• Scientific notation: 1.438885091 × 10⁹

Factors of 1438885091

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 205555020

Divisors of 1438885091

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 205555013 1438885091
• Sum of all divisors σ(n): 1644440112
• Sum of proper divisors (its aliquot sum) s(n): 205555021
• 1438885091 is a deficient number, because the sum of its proper divisors (205555021) is less than itself. Its deficiency is 1233330070

Bases of 1438885091

• Binary: 1010101110000111010010011100011₂
• Hexadecimal: 0x55C3A4E3
• Base-36: NSOAUB

Squares and roots of 1438885091

• 1438885091 squared (1438885091²) is 2070390305102078281
• 1438885091 cubed (1438885091³) is 2979053742562321671645808571
• The square root of 1438885091 is 37932.6388615399
• The cube root of 1438885091 is 1128.9517234281

Scales and comparisons

• 1,438,885,091 seconds is equal to 45 years, 39 weeks, 18 hours, 18 minutes, 11 seconds.
• To count from 1 to 1,438,885,091 would take you about ninety-one 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 1438885091 cubic inches would be around 94.1 feet tall.

Recreational maths with 1438885091

• 1438885091 backwards is 1905888341
• The number of decimal digits it has is: 10
• The sum of 1438885091's digits is 47
• More coming soon!