13887197440

Names of 13887197440

• Cardinal: 13887197440 can be written as Thirteen billion, eight hundred eighty-seven million, one hundred ninety-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.388719744 × 10¹⁰

Factors of 13887197440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1562

Divisors of 13887197440

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 43 64 80 86 128 160 172 191 215 256 320 344 382 430 640 688 764 860 955 1280 1321 1376 1528 1720 1910 2642 2752 3056 3440 3820 5284 5504 6112 6605 6880 7640 8213 10568 11008 12224 13210 13760 15280 16426 21136 24448 26420 27520 30560 32852 41065 42272 48896 52840 55040 56803 61120 65704 82130 84544 105680 113606 122240 131408 164260 169088 211360 227212 244480 252311 262816 284015 328520 338176 422720 454424 504622 525632 568030 657040 845440 908848 1009244 1051264 1136060 1261555 1314080 1690880 1817696 2018488 2102528 2272120 2523110 2628160 3635392 4036976 4544240 5046220 5256320 7270784 8073952 9088480 10092440 10512640 10849373 14541568 16147904 18176960 20184880 21698746 32295808 36353920 40369760 43397492 54246865 64591616 72707840 80739520 86794984 108493730 161479040 173589968 216987460 322958080 347179936 433974920 694359872 867949840 1388719744 1735899680 2777439488 3471799360 6943598720 13887197440
• Sum of all divisors σ(n): 34241872896
• Sum of proper divisors (its aliquot sum) s(n): 20354675456
• 13887197440 is an abundant number, because the sum of its proper divisors (20354675456) is greater than itself. Its abundance is 6467478016

Bases of 13887197440

• Binary: 1100111011101111011101000100000000₂
• Hexadecimal: 0x33BBDD100
• Base-36: 6DO2U4G

Squares and roots of 13887197440

• 13887197440 squared (13887197440²) is 192854252737542553600
• 13887197440 cubed (13887197440³) is 2678205084909913942244982784000
• The square root of 13887197440 is 117843.9537693809
• The cube root of 13887197440 is 2403.6517002269

Scales and comparisons

• 13,887,197,440 seconds is equal to 441 years, 29 weeks, 4 days, 10 hours, 50 minutes, 40 seconds.
• To count from 1 to 13,887,197,440 would take you about eight hundred eighty-three 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 13887197440 cubic inches would be around 200.3 feet tall.

Recreational maths with 13887197440

• 13887197440 backwards is 04479178831
• The number of decimal digits it has is: 11
• The sum of 13887197440's digits is 52
• More coming soon!