13987644160

Names of 13987644160

• Cardinal: 13987644160 can be written as Thirteen billion, nine hundred eighty-seven million, six hundred forty-four thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.398764416 × 10¹⁰

Factors of 13987644160

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1561135

Divisors of 13987644160

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 560 640 896 1120 1280 1792 2240 4480 8960 1561121 3122242 6244484 7805605 10927847 12488968 15611210 21855694 24977936 31222420 43711388 49955872 54639235 62444840 87422776 99911744 109278470 124889680 174845552 199823488 218556940 249779360 349691104 399646976 437113880 499558720 699382208 874227760 999117440 1398764416 1748455520 1998234880 2797528832 3496911040 6993822080 13987644160
• Sum of all divisors σ(n): 38291200416
• Sum of proper divisors (its aliquot sum) s(n): 24303556256
• 13987644160 is an abundant number, because the sum of its proper divisors (24303556256) is greater than itself. Its abundance is 10315912096

Bases of 13987644160

• Binary: 1101000001101110101000001100000000₂
• Hexadecimal: 0x341BA8300
• Base-36: 6FBVRB4

Squares and roots of 13987644160

• 13987644160 squared (13987644160²) is 195654189146782105600
• 13987644160 cubed (13987644160³) is 2736741176198522102188343296000
• The square root of 13987644160 is 118269.3711829061
• The cube root of 13987644160 is 2409.4330237663

Scales and comparisons

• 13,987,644,160 seconds is equal to 444 years, 39 weeks, 5 days, 42 minutes, 40 seconds.
• To count from 1 to 13,987,644,160 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 13987644160 cubic inches would be around 200.8 feet tall.

Recreational maths with 13987644160

• 13987644160 backwards is 06144678931
• The number of decimal digits it has is: 11
• The sum of 13987644160's digits is 49
• More coming soon!