13987130520

Names of 13987130520

• Cardinal: 13987130520 can be written as Thirteen billion, nine hundred eighty-seven million, one hundred thirty thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.398713052 × 10¹⁰

Factors of 13987130520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 963322

Divisors of 13987130520

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 121 132 165 220 242 264 330 363 440 484 605 660 726 968 1210 1320 1452 1815 2420 2904 3630 4840 7260 14520 963301 1926602 2889903 3853204 4816505 5779806 7706408 9633010 10596311 11559612 14449515 19266020 21192622 23119224 28899030 31788933 38532040 42385244 52981555 57798060 63577866 84770488 105963110 115596120 116559421 127155732 158944665 211926220 233118842 254311464 317889330 349678263 423852440 466237684 582797105 635778660 699356526 932475368 1165594210 1271557320 1398713052 1748391315 2331188420 2797426104 3496782630 4662376840 6993565260 13987130520
• Sum of all divisors σ(n): 46122899760
• Sum of proper divisors (its aliquot sum) s(n): 32135769240
• 13987130520 is an abundant number, because the sum of its proper divisors (32135769240) is greater than itself. Its abundance is 18148638720

Bases of 13987130520

• Binary: 1101000001101100101010110010011000₂
• Hexadecimal: 0x341B2AC98
• Base-36: 6FBKQZC

Squares and roots of 13987130520

• 13987130520 squared (13987130520²) is 195639820183515470400
• 13987130520 cubed (13987130520³) is 2736439699816161236923996608000
• The square root of 13987130520 is 118267.1996793701
• The cube root of 13987130520 is 2409.4035311583

Scales and comparisons

• 13,987,130,520 seconds is equal to 444 years, 38 weeks, 6 days, 2 hours, 2 minutes.
• To count from 1 to 13,987,130,520 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 13987130520 cubic inches would be around 200.8 feet tall.

Recreational maths with 13987130520

• 13987130520 backwards is 02503178931
• The number of decimal digits it has is: 11
• The sum of 13987130520's digits is 39
• More coming soon!