13258357812

Names of 13258357812

• Cardinal: 13258357812 can be written as Thirteen billion, two hundred fifty-eight million, three hundred fifty-seven thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 1.3258357812 × 10¹⁰

Factors of 13258357812

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 121952

Divisors of 13258357812

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 433 866 1299 1732 2598 3031 3897 5196 6062 7794 9093 12124 15588 18186 27279 36372 54558 109116 121507 243014 364521 486028 729042 850549 1093563 1458084 1701098 2187126 2551647 3402196 4374252 5103294 7654941 10206588 15309882 30619764 52612531 105225062 157837593 210450124 315675186 368287717 473512779 631350372 736575434 947025558 1104863151 1473150868 1894051116 2209726302 3314589453 4419452604 6629178906 13258357812
• Sum of all divisors σ(n): 38390695616
• Sum of proper divisors (its aliquot sum) s(n): 25132337804
• 13258357812 is an abundant number, because the sum of its proper divisors (25132337804) is greater than itself. Its abundance is 11873979992

Bases of 13258357812

• Binary: 1100010110010000100111110000110100₂
• Hexadecimal: 0x316427C34
• Base-36: 639OMD0

Squares and roots of 13258357812

• 13258357812 squared (13258357812²) is 175784051871021427344
• 13258357812 cubed (13258357812³) is 2330607857349170157645712811328
• The square root of 13258357812 is 115144.9426245027
• The cube root of 13258357812 is 2366.8091803445

Scales and comparisons

• 13,258,357,812 seconds is equal to 421 years, 29 weeks, 6 days, 5 hours, 10 minutes, 12 seconds.
• To count from 1 to 13,258,357,812 would take you about eight hundred forty-three 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 13258357812 cubic inches would be around 197.2 feet tall.

Recreational maths with 13258357812

• 13258357812 backwards is 21875385231
• The number of decimal digits it has is: 11
• The sum of 13258357812's digits is 45
• More coming soon!