13126400

Names of 13126400

• Cardinal: 13126400 can be written as Thirteen million, one hundred twenty-six thousand, four hundred.

Scientific notation

• Scientific notation: 1.31264 × 10⁷

Factors of 13126400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 307

Divisors of 13126400

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 128 140 160 175 200 224 256 280 293 320 350 400 448 560 586 640 700 800 896 1120 1172 1280 1400 1465 1600 1792 2051 2240 2344 2800 2930 3200 4102 4480 4688 5600 5860 6400 7325 8204 8960 9376 10255 11200 11720 14650 16408 18752 20510 22400 23440 29300 32816 37504 41020 44800 46880 51275 58600 65632 75008 82040 93760 102550 117200 131264 164080 187520 205100 234400 262528 328160 375040 410200 468800 525056 656320 820400 937600 1312640 1640800 1875200 2625280 3281600 6563200 13126400
• Sum of all divisors σ(n): 37258032
• Sum of proper divisors (its aliquot sum) s(n): 24131632
• 13126400 is an abundant number, because the sum of its proper divisors (24131632) is greater than itself. Its abundance is 11005232

Bases of 13126400

• Binary: 110010000100101100000000₂
• Hexadecimal: 0xC84B00
• Base-36: 7TCE8

Squares and roots of 13126400

• 13126400 squared (13126400²) is 172302376960000
• 13126400 cubed (13126400³) is 2261709920927744000000
• The square root of 13126400 is 3623.0373997517
• The cube root of 13126400 is 235.8930857291

Scales and comparisons

• 13,126,400 seconds is equal to 21 weeks, 4 days, 22 hours, 13 minutes, 20 seconds.
• To count from 1 to 13,126,400 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 13126400 cubic inches would be around 19.7 feet tall.

Recreational maths with 13126400

• 13126400 backwards is 00462131
• The number of decimal digits it has is: 8
• The sum of 13126400's digits is 17
• More coming soon!