1242222989

Names of 1242222989

• Cardinal: 1242222989 can be written as One billion, two hundred forty-two million, two hundred twenty-two thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 1.242222989 × 10⁹

Factors of 1242222989

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 177460434

Divisors of 1242222989

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 177460427 1242222989
• Sum of all divisors σ(n): 1419683424
• Sum of proper divisors (its aliquot sum) s(n): 177460435
• 1242222989 is a deficient number, because the sum of its proper divisors (177460435) is less than itself. Its deficiency is 1064762554

Bases of 1242222989

• Binary: 1001010000010101101000110001101₂
• Hexadecimal: 0x4A0AD18D
• Base-36: KJL5E5

Squares and roots of 1242222989

• 1242222989 squared (1242222989²) is 1543117954400094121
• 1242222989 cubed (1242222989³) is 1916896597694450620869947669
• The square root of 1242222989 is 35245.1839121319
• The cube root of 1242222989 is 1074.9786875891

Scales and comparisons

• 1,242,222,989 seconds is equal to 39 years, 25 weeks, 6 days, 13 hours, 56 minutes, 29 seconds.
• To count from 1 to 1,242,222,989 would take you about seventy-eight 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 1242222989 cubic inches would be around 89.6 feet tall.

Recreational maths with 1242222989

• 1242222989 backwards is 9892222421
• The number of decimal digits it has is: 10
• The sum of 1242222989's digits is 41
• More coming soon!