1385304839

Names of 1385304839

• Cardinal: 1385304839 can be written as One billion, three hundred eighty-five million, three hundred four thousand, eight hundred thirty-nine.

Scientific notation

• Scientific notation: 1.385304839 × 10⁹

Factors of 1385304839

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 78769

Divisors of 1385304839

• Number of divisors d(n): 8
• Complete list of divisors:
  1 19 937 17803 77813 1478447 72910781 1385304839
• Sum of all divisors σ(n): 1459790640
• Sum of proper divisors (its aliquot sum) s(n): 74485801
• 1385304839 is a deficient number, because the sum of its proper divisors (74485801) is less than itself. Its deficiency is 1310819038

Bases of 1385304839

• Binary: 1010010100100100001001100000111₂
• Hexadecimal: 0x52921307
• Base-36: MWRW1Z

Squares and roots of 1385304839

• 1385304839 squared (1385304839²) is 1919069496956815921
• 1385304839 cubed (1385304839³) is 2658496260511572869393541719
• The square root of 1385304839 is 37219.6834887133
• The cube root of 1385304839 is 1114.7610443311

Scales and comparisons

• 1,385,304,839 seconds is equal to 44 years, 2 weeks, 3 days, 14 hours, 53 minutes, 59 seconds.
• To count from 1 to 1,385,304,839 would take you about eighty-eight 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 1385304839 cubic inches would be around 92.9 feet tall.

Recreational maths with 1385304839

• 1385304839 backwards is 9384035831
• The number of decimal digits it has is: 10
• The sum of 1385304839's digits is 44
• More coming soon!