30493251138

Names of 30493251138

• Cardinal: 30493251138 can be written as Thirty billion, four hundred ninety-three million, two hundred fifty-one thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 3.0493251138 × 10¹⁰

Factors of 30493251138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 54282

Divisors of 30493251138

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 7 14 21 42 23929 30341 47858 60682 71787 91023 143574 167503 182046 212387 335006 424774 502509 637161 1005018 1274322 726029789 1452059578 2178089367 4356178734 5082208523 10164417046 15246625569 30493251138
• Sum of all divisors σ(n): 69704069760
• Sum of proper divisors (its aliquot sum) s(n): 39210818622
• 30493251138 is an abundant number, because the sum of its proper divisors (39210818622) is greater than itself. Its abundance is 8717567484

Bases of 30493251138

• Binary: 11100011001100010100001011001000010₂
• Hexadecimal: 0x7198A1642
• Base-36: E0AW75U

Squares and roots of 30493251138

• 30493251138 squared (30493251138²) is 929838364965138295044
• 30493251138 cubed (30493251138³) is 28353794780629262645677832760072
• The square root of 30493251138 is 174623.1689610517
• The cube root of 30493251138 is 3124.1694181061

Scales and comparisons

• 30,493,251,138 seconds is equal to 969 years, 30 weeks, 5 days, 3 hours, 32 minutes, 18 seconds.
• To count from 1 to 30,493,251,138 would take you about one thousand, nine hundred thirty-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 30493251138 cubic inches would be around 260.3 feet tall.

Recreational maths with 30493251138

• 30493251138 backwards is 83115239403
• The number of decimal digits it has is: 11
• The sum of 30493251138's digits is 39
• More coming soon!