13396526728

Names of 13396526728

• Cardinal: 13396526728 can be written as Thirteen billion, three hundred ninety-six million, five hundred twenty-six thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3396526728 × 10¹⁰

Factors of 13396526728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 36154

Divisors of 13396526728

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 13 17 26 34 52 68 104 136 211 221 422 442 844 884 1688 1768 2743 3587 5486 7174 10972 14348 21944 28696 35911 46631 71822 93262 143644 186524 287288 373048 466843 610487 933686 1220974 1867372 2441948 3734744 4883896 7577221 7936331 15154442 15872662 30308884 31745324 60617768 63490648 98503873 128812757 197007746 257625514 394015492 515251028 788030984 1030502056 1674565841 3349131682 6698263364 13396526728
• Sum of all divisors σ(n): 28778440320
• Sum of proper divisors (its aliquot sum) s(n): 15381913592
• 13396526728 is an abundant number, because the sum of its proper divisors (15381913592) is greater than itself. Its abundance is 1985386864

Bases of 13396526728

• Binary: 1100011110011111101100011010001000₂
• Hexadecimal: 0x31E7EC688
• Base-36: 65JY26G

Squares and roots of 13396526728

• 13396526728 squared (13396526728²) is 179466928374018385984
• 13396526728 cubed (13396526728³) is 2404233502754598888598076580352
• The square root of 13396526728 is 115743.3658055615
• The cube root of 13396526728 is 2375.0025028523

Scales and comparisons

• 13,396,526,728 seconds is equal to 425 years, 50 weeks, 2 days, 9 hours, 25 minutes, 28 seconds.
• To count from 1 to 13,396,526,728 would take you about eight hundred fifty-one 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 13396526728 cubic inches would be around 197.9 feet tall.

Recreational maths with 13396526728

• 13396526728 backwards is 82762569331
• 13396526728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13396526728's digits is 52
• More coming soon!