13500240

Names of 13500240

• Cardinal: 13500240 can be written as Thirteen million, five hundred thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.350024 × 10⁷

Factors of 13500240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4350

Divisors of 13500240

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 780 1040 1560 3120 4327 8654 12981 17308 21635 25962 34616 43270 51924 56251 64905 69232 86540 103848 112502 129810 168753 173080 207696 225004 259620 281255 337506 346160 450008 519240 562510 675012 843765 900016 1038480 1125020 1350024 1687530 2250040 2700048 3375060 4500080 6750120 13500240
• Sum of all divisors σ(n): 45080448
• Sum of proper divisors (its aliquot sum) s(n): 31580208
• 13500240 is an abundant number, because the sum of its proper divisors (31580208) is greater than itself. Its abundance is 18079968

Bases of 13500240

• Binary: 110011011111111101010000₂
• Hexadecimal: 0xCDFF50
• Base-36: 81CUO

Squares and roots of 13500240

• 13500240 squared (13500240²) is 182256480057600
• 13500240 cubed (13500240³) is 2460506222332813824000
• The square root of 13500240 is 3674.2672738929
• The cube root of 13500240 is 238.1115688101

Scales and comparisons

• 13,500,240 seconds is equal to 22 weeks, 2 days, 6 hours, 4 minutes.
• To count from 1 to 13,500,240 would take you about thirty-three 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 13500240 cubic inches would be around 19.8 feet tall.

Recreational maths with 13500240

• 13500240 backwards is 04200531
• 13500240 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13500240's digits is 15
• More coming soon!