1388709941

Names of 1388709941

• Cardinal: 1388709941 can be written as One billion, three hundred eighty-eight million, seven hundred nine thousand, nine hundred forty-one.

Scientific notation

• Scientific notation: 1.388709941 × 10⁹

Factors of 1388709941

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7963

Divisors of 1388709941

• Number of divisors d(n): 8
• Complete list of divisors:
  1 139 1607 6217 223373 864163 9990719 1388709941
• Sum of all divisors σ(n): 1399796160
• Sum of proper divisors (its aliquot sum) s(n): 11086219
• 1388709941 is a deficient number, because the sum of its proper divisors (11086219) is less than itself. Its deficiency is 1377623722

Bases of 1388709941

• Binary: 1010010110001100000100000110101₂
• Hexadecimal: 0x52C60835
• Base-36: MYSVG5

Squares and roots of 1388709941

• 1388709941 squared (1388709941²) is 1928515300232223481
• 1388709941 cubed (1388709941³) is 2678148368803088356598324621
• The square root of 1388709941 is 37265.3987097951
• The cube root of 1388709941 is 1115.6736639669

Scales and comparisons

• 1,388,709,941 seconds is equal to 44 years, 8 weeks, 1 day, 45 minutes, 41 seconds.
• To count from 1 to 1,388,709,941 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 1388709941 cubic inches would be around 93 feet tall.

Recreational maths with 1388709941

• 1388709941 backwards is 1499078831
• The number of decimal digits it has is: 10
• The sum of 1388709941's digits is 50
• More coming soon!