13147445880

Names of 13147445880

• Cardinal: 13147445880 can be written as Thirteen billion, one hundred forty-seven million, four hundred forty-five thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.314744588 × 10¹⁰

Factors of 13147445880

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12173571

Divisors of 13147445880

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 12173561 24347122 36520683 48694244 60867805 73041366 97388488 109562049 121735610 146082732 182603415 219124098 243471220 292165464 328686147 365206830 438248196 486942440 547810245 657372294 730413660 876496392 1095620490 1314744588 1460827320 1643430735 2191240980 2629489176 3286861470 4382481960 6573722940 13147445880
• Sum of all divisors σ(n): 43824823200
• Sum of proper divisors (its aliquot sum) s(n): 30677377320
• 13147445880 is an abundant number, because the sum of its proper divisors (30677377320) is greater than itself. Its abundance is 17529931440

Bases of 13147445880

• Binary: 1100001111101001100001101001111000₂
• Hexadecimal: 0x30FA61A78
• Base-36: 61FNE60

Squares and roots of 13147445880

• 13147445880 squared (13147445880²) is 172855333167528974400
• 13147445880 cubed (13147445880³) is 2272606137889456164255905472000
• The square root of 13147445880 is 114662.3123785667
• The cube root of 13147445880 is 2360.1908947379

Scales and comparisons

• 13,147,445,880 seconds is equal to 418 years, 2 weeks, 3 days, 12 hours, 18 minutes.
• To count from 1 to 13,147,445,880 would take you about eight hundred thirty-six 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 13147445880 cubic inches would be around 196.7 feet tall.

Recreational maths with 13147445880

• 13147445880 backwards is 08854474131
• 13147445880 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13147445880's digits is 45
• More coming soon!