1442379987

Names of 1442379987

• Cardinal: 1442379987 can be written as One billion, four hundred forty-two million, three hundred seventy-nine thousand, nine hundred eighty-seven.

Scientific notation

• Scientific notation: 1.442379987 × 10⁹

Factors of 1442379987

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 7312

Divisors of 1442379987

• Number of divisors d(n): 12
• Complete list of divisors:
  1 3 9 27 7309 21927 65781 197343 53421481 160264443 480793329 1442379987
• Sum of all divisors σ(n): 2137151640
• Sum of proper divisors (its aliquot sum) s(n): 694771653
• 1442379987 is a deficient number, because the sum of its proper divisors (694771653) is less than itself. Its deficiency is 747608334

Bases of 1442379987

• Binary: 1010101111110001111100011010011₂
• Hexadecimal: 0x55F8F8D3
• Base-36: NUR7IR

Squares and roots of 1442379987

• 1442379987 squared (1442379987²) is 2080460026898120169
• 1442379987 cubed (1442379987³) is 3000813906551330219686657803
• The square root of 1442379987 is 37978.6780575629
• The cube root of 1442379987 is 1129.8650182047

Scales and comparisons

• 1,442,379,987 seconds is equal to 45 years, 44 weeks, 6 days, 5 hours, 6 minutes, 27 seconds.
• To count from 1 to 1,442,379,987 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 1442379987 cubic inches would be around 94.2 feet tall.

Recreational maths with 1442379987

• 1442379987 backwards is 7899732441
• The number of decimal digits it has is: 10
• The sum of 1442379987's digits is 54
• More coming soon!