1242407009

Names of 1242407009

• Cardinal: 1242407009 can be written as One billion, two hundred forty-two million, four hundred seven thousand and nine.

Scientific notation

• Scientific notation: 1.242407009 × 10⁹

Factors of 1242407009

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 542407

Divisors of 1242407009

• Number of divisors d(n): 8
• Complete list of divisors:
  1 29 79 2291 542299 15726671 42841621 1242407009
• Sum of all divisors σ(n): 1301520000
• Sum of proper divisors (its aliquot sum) s(n): 59112991
• 1242407009 is a deficient number, because the sum of its proper divisors (59112991) is less than itself. Its deficiency is 1183294018

Bases of 1242407009

• Binary: 1001010000011011010000001100001₂
• Hexadecimal: 0x4A0DA061
• Base-36: KJP3DT

Squares and roots of 1242407009

• 1242407009 squared (1242407009²) is 1543575176012326081
• 1242407009 cubed (1242407009³) is 1917748617596122593427901729
• The square root of 1242407009 is 35247.7943848973
• The cube root of 1242407009 is 1075.0317665753

Scales and comparisons

• 1,242,407,009 seconds is equal to 39 years, 26 weeks, 1 day, 17 hours, 3 minutes, 29 seconds.
• To count from 1 to 1,242,407,009 would take you about seventy-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 1242407009 cubic inches would be around 89.6 feet tall.

Recreational maths with 1242407009

• 1242407009 backwards is 9007042421
• 1242407009 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1242407009's digits is 29
• More coming soon!