1000000001

Names of 1000000001

• Cardinal: 1000000001 can be written as One billion and one.

Scientific notation

• Scientific notation: 1.000000001 × 10⁹

Factors of 1000000001

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 52629

Divisors of 1000000001

• Number of divisors d(n): 32
• Complete list of divisors:
  1 7 11 13 19 77 91 133 143 209 247 1001 1463 1729 2717 19019 52579 368053 578369 683527 999001 4048583 4784689 6993007 7518797 10989011 12987013 52631579 76923077 90909091 142857143 1000000001
• Sum of all divisors σ(n): 1413350400
• Sum of proper divisors (its aliquot sum) s(n): 413350399
• 1000000001 is a deficient number, because the sum of its proper divisors (413350399) is less than itself. Its deficiency is 586649602

Bases of 1000000001

• Binary: 111011100110101100101000000001₂
• Hexadecimal: 0x3B9ACA01
• Base-36: GJDGXT

Squares and roots of 1000000001

• 1000000001 squared (1000000001²) is 1000000002000000001
• 1000000001 cubed (1000000001³) is 1000000003000000003000000001
• The square root of 1000000001 is 31622.7766174951
• The cube root of 1000000001 is 1000.0000003333

Scales and comparisons

• 1,000,000,001 seconds is equal to 31 years, 41 weeks, 3 days, 1 hour, 46 minutes, 41 seconds.
• To count from 1 to 1,000,000,001 would take you about sixty-three 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 1000000001 cubic inches would be around 83.3 feet tall.

Recreational maths with 1000000001

• 1000000001 is the same when its digits are reversed! That makes it a palindromic number.
• The number of decimal digits it has is: 10
• The sum of 1000000001's digits is 2
• More coming soon!