13124872400

Names of 13124872400

• Cardinal: 13124872400 can be written as Thirteen billion, one hundred twenty-four million, eight hundred seventy-two thousand, four hundred.

Scientific notation

• Scientific notation: 1.31248724 × 10¹⁰

Factors of 13124872400

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 32812188

Divisors of 13124872400

• Number of divisors d(n): 30
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 32812181 65624362 131248724 164060905 262497448 328121810 524994896 656243620 820304525 1312487240 1640609050 2624974480 3281218100 6562436200 13124872400
• Sum of all divisors σ(n): 31532506902
• Sum of proper divisors (its aliquot sum) s(n): 18407634502
• 13124872400 is an abundant number, because the sum of its proper divisors (18407634502) is greater than itself. Its abundance is 5282762102

Bases of 13124872400

• Binary: 1100001110010011011010100011010000₂
• Hexadecimal: 0x30E4DA8D0
• Base-36: 6127KCW

Squares and roots of 13124872400

• 13124872400 squared (13124872400²) is 172262275516281760000
• 13124872400 cubed (13124872400³) is 2260920385484842222447424000000
• The square root of 13124872400 is 114563.8354804865
• The cube root of 13124872400 is 2358.8393459715

Scales and comparisons

• 13,124,872,400 seconds is equal to 417 years, 17 weeks, 1 day, 5 hours, 53 minutes, 20 seconds.
• To count from 1 to 13,124,872,400 would take you about eight hundred thirty-four 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 13124872400 cubic inches would be around 196.6 feet tall.

Recreational maths with 13124872400

• 13124872400 backwards is 00427842131
• The number of decimal digits it has is: 11
• The sum of 13124872400's digits is 32
• More coming soon!