13385725760

Names of 13385725760

• Cardinal: 13385725760 can be written as Thirteen billion, three hundred eighty-five million, seven hundred twenty-five thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 1.338572576 × 10¹⁰

Factors of 13385725760

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3802781

Divisors of 13385725760

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 160 176 220 320 352 440 704 880 1760 3520 3802763 7605526 15211052 19013815 30422104 38027630 41830393 60844208 76055260 83660786 121688416 152110520 167321572 209151965 243376832 304221040 334643144 418303930 608442080 669286288 836607860 1216884160 1338572576 1673215720 2677145152 3346431440 6692862880 13385725760
• Sum of all divisors σ(n): 34772474016
• Sum of proper divisors (its aliquot sum) s(n): 21386748256
• 13385725760 is an abundant number, because the sum of its proper divisors (21386748256) is greater than itself. Its abundance is 8001022496

Bases of 13385725760

• Binary: 1100011101110110011111011101000000₂
• Hexadecimal: 0x31DD9F740
• Base-36: 65DIK3K

Squares and roots of 13385725760

• 13385725760 squared (13385725760²) is 179177654121927577600
• 13385725760 cubed (13385725760³) is 2398422940396256156334718976000
• The square root of 13385725760 is 115696.6972735177
• The cube root of 13385725760 is 2374.3640482311

Scales and comparisons

• 13,385,725,760 seconds is equal to 425 years, 32 weeks, 3 days, 9 hours, 9 minutes, 20 seconds.
• To count from 1 to 13,385,725,760 would take you about eight hundred fifty-one 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 13385725760 cubic inches would be around 197.9 feet tall.

Recreational maths with 13385725760

• 13385725760 backwards is 06752758331
• The number of decimal digits it has is: 11
• The sum of 13385725760's digits is 47
• More coming soon!