13013942789

Names of 13013942789

• Cardinal: 13013942789 can be written as Thirteen billion, thirteen million, nine hundred forty-two thousand, seven hundred eighty-nine.

Scientific notation

• Scientific notation: 1.3013942789 × 10¹⁰

Factors of 13013942789

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 18259

Divisors of 13013942789

• Number of divisors d(n): 8
• Complete list of divisors:
  1 179 6037 12043 1080623 2155697 72703591 13013942789
• Sum of all divisors σ(n): 13089900960
• Sum of proper divisors (its aliquot sum) s(n): 75958171
• 13013942789 is a deficient number, because the sum of its proper divisors (75958171) is less than itself. Its deficiency is 12937984618

Bases of 13013942789

• Binary: 1100000111101100010000001000000101₂
• Hexadecimal: 0x307B10205
• Base-36: 5Z85YIT

Squares and roots of 13013942789

• 13013942789 squared (13013942789²) is 169362706915365098521
• 13013942789 cubed (13013942789³) is 2204076578386736057199642515069
• The square root of 13013942789 is 114078.6692988659
• The cube root of 13013942789 is 2352.1750069469

Scales and comparisons

• 13,013,942,789 seconds is equal to 413 years, 41 weeks, 5 days, 8 hours, 6 minutes, 29 seconds.
• To count from 1 to 13,013,942,789 would take you about eight hundred twenty-seven 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 13013942789 cubic inches would be around 196 feet tall.

Recreational maths with 13013942789

• 13013942789 backwards is 98724931031
• The number of decimal digits it has is: 11
• The sum of 13013942789's digits is 47
• More coming soon!