1442159988

Names of 1442159988

• Cardinal: 1442159988 can be written as One billion, four hundred forty-two million, one hundred fifty-nine thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 1.442159988 × 10⁹

Factors of 1442159988

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 120180004

Divisors of 1442159988

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 3 4 6 12 120179999 240359998 360539997 480719996 721079994 1442159988
• Sum of all divisors σ(n): 3365040000
• Sum of proper divisors (its aliquot sum) s(n): 1922880012
• 1442159988 is an abundant number, because the sum of its proper divisors (1922880012) is greater than itself. Its abundance is 480720024

Bases of 1442159988

• Binary: 1010101111101011001110101110100₂
• Hexadecimal: 0x55F59D74
• Base-36: NUMHRO

Squares and roots of 1442159988

• 1442159988 squared (1442159988²) is 2079825430988160144
• 1442159988 cubed (1442159988³) is 2999441018595979861413118272
• The square root of 1442159988 is 37975.7815982765
• The cube root of 1442159988 is 1129.8075710651

Scales and comparisons

• 1,442,159,988 seconds is equal to 45 years, 44 weeks, 3 days, 15 hours, 59 minutes, 48 seconds.
• To count from 1 to 1,442,159,988 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 1442159988 cubic inches would be around 94.2 feet tall.

Recreational maths with 1442159988

• 1442159988 backwards is 8899512441
• The number of decimal digits it has is: 10
• The sum of 1442159988's digits is 51
• More coming soon!