13987522899

Names of 13987522899

• Cardinal: 13987522899 can be written as Thirteen billion, nine hundred eighty-seven million, five hundred twenty-two thousand, eight hundred ninety-nine.

Scientific notation

• Scientific notation: 1.3987522899 × 10¹⁰

Factors of 13987522899

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3478

Divisors of 13987522899

• Number of divisors d(n): 54
• Complete list of divisors:
  1 3 7 9 21 49 63 97 147 291 441 679 873 2037 3371 4753 6111 9409 10113 14259 23597 28227 30339 42777 65863 70791 84681 165179 197589 212373 326987 461041 495537 592767 980961 1383123 1486611 2288909 2942883 4149369 6866727 16022363 20600181 31717739 48067089 95153217 144201267 222024173 285459651 666072519 1554169211 1998217557 4662507633 13987522899
• Sum of all divisors σ(n): 23754684564
• Sum of proper divisors (its aliquot sum) s(n): 9767161665
• 13987522899 is a deficient number, because the sum of its proper divisors (9767161665) is less than itself. Its deficiency is 4220361234

Bases of 13987522899

• Binary: 1101000001101110001010100101010011₂
• Hexadecimal: 0x341B8A953
• Base-36: 6FBT5QR

Squares and roots of 13987522899

• 13987522899 squared (13987522899²) is 195650796850049364201
• 13987522899 cubed (13987522899³) is 2736670001147662551041878338699
• The square root of 13987522899 is 118268.8585342735
• The cube root of 13987522899 is 2409.4260611665

Scales and comparisons

• 13,987,522,899 seconds is equal to 444 years, 39 weeks, 3 days, 15 hours, 1 minute, 39 seconds.
• To count from 1 to 13,987,522,899 would take you about eight hundred eighty-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 13987522899 cubic inches would be around 200.8 feet tall.

Recreational maths with 13987522899

• 13987522899 backwards is 99822578931
• 13987522899 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13987522899's digits is 63
• More coming soon!