13038649785

Names of 13038649785

• Cardinal: 13038649785 can be written as Thirteen billion, thirty-eight million, six hundred forty-nine thousand, seven hundred eighty-five.

Scientific notation

• Scientific notation: 1.3038649785 × 10¹⁰

Factors of 13038649785

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 511034

Divisors of 13038649785

• Number of divisors d(n): 56
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 243 315 405 567 729 945 1215 1701 2835 3645 5103 8505 25515 511019 1533057 2555095 3577133 4599171 7665285 10731399 13797513 17885665 22995855 32194197 41392539 53656995 68987565 96582591 124177617 160970985 206962695 289747773 372532851 482912955 620888085 869243319 1448738865 1862664255 2607729957 4346216595 13038649785
• Sum of all divisors σ(n): 26810153280
• Sum of proper divisors (its aliquot sum) s(n): 13771503495
• 13038649785 is an abundant number, because the sum of its proper divisors (13771503495) is greater than itself. Its abundance is 732853710

Bases of 13038649785

• Binary: 1100001001001010100000000110111001₂
• Hexadecimal: 0x3092A01B9
• Base-36: 5ZMVIK9

Squares and roots of 13038649785

• 13038649785 squared (13038649785²) is 170006388215880546225
• 13038649785 cubed (13038649785³) is 2216653757159617417622278811625
• The square root of 13038649785 is 114186.9072398407
• The cube root of 13038649785 is 2353.6626022363

Scales and comparisons

• 13,038,649,785 seconds is equal to 414 years, 30 weeks, 4 days, 7 hours, 9 minutes, 45 seconds.
• To count from 1 to 13,038,649,785 would take you about eight hundred twenty-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 13038649785 cubic inches would be around 196.1 feet tall.

Recreational maths with 13038649785

• 13038649785 backwards is 58794683031
• The number of decimal digits it has is: 11
• The sum of 13038649785's digits is 54
• More coming soon!