2009131494

Names of 2009131494

• Cardinal: 2009131494 can be written as Two billion, nine million, one hundred thirty-one thousand, four hundred ninety-four.

Scientific notation

• Scientific notation: 2.009131494 × 10⁹

Factors of 2009131494

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1850215

Divisors of 2009131494

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 181 362 543 1086 1850029 3700058 5550087 11100174 334855249 669710498 1004565747 2009131494
• Sum of all divisors σ(n): 4040465520
• Sum of proper divisors (its aliquot sum) s(n): 2031334026
• 2009131494 is an abundant number, because the sum of its proper divisors (2031334026) is greater than itself. Its abundance is 22202532

Bases of 2009131494

• Binary: 1110111110000001110100111100110₂
• Hexadecimal: 0x77C0E9E6
• Base-36: X86NS6

Squares and roots of 2009131494

• 2009131494 squared (2009131494²) is 4036609360182672036
• 2009131494 cubed (2009131494³) is 8110078994518195980600701784
• The square root of 2009131494 is 44823.3364889317
• The cube root of 2009131494 is 1261.8356325957

Scales and comparisons

• 2,009,131,494 seconds is equal to 63 years, 45 weeks, 6 days, 20 hours, 4 minutes, 54 seconds.
• To count from 1 to 2,009,131,494 would take you about one hundred twenty-seven 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 2009131494 cubic inches would be around 105.2 feet tall.

Recreational maths with 2009131494

• 2009131494 backwards is 4941319002
• The number of decimal digits it has is: 10
• The sum of 2009131494's digits is 33
• More coming soon!