13100000

Names of 13100000

• Cardinal: 13100000 can be written as Thirteen million, one hundred thousand.

Scientific notation

• Scientific notation: 1.31 × 10⁷

Factors of 13100000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 138

Divisors of 13100000

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 131 160 200 250 262 400 500 524 625 655 800 1000 1048 1250 1310 2000 2096 2500 2620 3125 3275 4000 4192 5000 5240 6250 6550 10000 10480 12500 13100 16375 20000 20960 25000 26200 32750 50000 52400 65500 81875 100000 104800 131000 163750 262000 327500 409375 524000 655000 818750 1310000 1637500 2620000 3275000 6550000 13100000
• Sum of all divisors σ(n): 32482296
• Sum of proper divisors (its aliquot sum) s(n): 19382296
• 13100000 is an abundant number, because the sum of its proper divisors (19382296) is greater than itself. Its abundance is 6282296

Bases of 13100000

• Binary: 110001111110001111100000₂
• Hexadecimal: 0xC7E3E0
• Base-36: 7SS0W

Squares and roots of 13100000

• 13100000 squared (13100000²) is 171610000000000
• 13100000 cubed (13100000³) is 2248091000000000000000
• The square root of 13100000 is 3619.3922141707
• The cube root of 13100000 is 235.7348357613

Scales and comparisons

• 13,100,000 seconds is equal to 21 weeks, 4 days, 14 hours, 53 minutes, 20 seconds.
• To count from 1 to 13,100,000 would take you about thirty-two weeks!

  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 13100000 cubic inches would be around 19.6 feet tall.

Recreational maths with 13100000

• 13100000 backwards is 00000131
• 13100000 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13100000's digits is 5
• More coming soon!