1929426138

Names of 1929426138

• Cardinal: 1929426138 can be written as One billion, nine hundred twenty-nine million, four hundred twenty-six thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.929426138 × 10⁹

Factors of 1929426138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 107190346

Divisors of 1929426138

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 3 6 9 18 107190341 214380682 321571023 643142046 964713069 1929426138
• Sum of all divisors σ(n): 4180423338
• Sum of proper divisors (its aliquot sum) s(n): 2250997200
• 1929426138 is an abundant number, because the sum of its proper divisors (2250997200) is greater than itself. Its abundance is 321571062

Bases of 1929426138

• Binary: 1110011000000001011010011011010₂
• Hexadecimal: 0x7300B4DA
• Base-36: VWQAQI

Squares and roots of 1929426138

• 1929426138 squared (1929426138²) is 3722685221997595044
• 1929426138 cubed (1929426138³) is 7182646170868492451032860072
• The square root of 1929426138 is 43925.2334996639
• The cube root of 1929426138 is 1244.9236552595

Scales and comparisons

• 1,929,426,138 seconds is equal to 61 years, 18 weeks, 1 day, 7 hours, 42 minutes, 18 seconds.
• To count from 1 to 1,929,426,138 would take you about one hundred twenty-two 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 1929426138 cubic inches would be around 103.7 feet tall.

Recreational maths with 1929426138

• 1929426138 backwards is 8316249291
• The number of decimal digits it has is: 10
• The sum of 1929426138's digits is 45
• More coming soon!