13812768

Names of 13812768

• Cardinal: 13812768 can be written as Thirteen million, eight hundred twelve thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.3812768 × 10⁷

Factors of 13812768

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 78

Divisors of 13812768

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 73 81 96 108 144 146 162 216 219 288 292 324 432 438 584 648 657 864 876 1168 1296 1314 1752 1971 2336 2592 2628 3504 3942 5256 5329 5913 7008 7884 10512 10658 11826 15768 15987 21024 21316 23652 31536 31974 42632 47304 47961 63072 63948 85264 94608 95922 127896 143883 170528 189216 191844 255792 287766 383688 431649 511584 575532 767376 863298 1151064 1534752 1726596 2302128 3453192 4604256 6906384 13812768
• Sum of all divisors σ(n): 41187069
• Sum of proper divisors (its aliquot sum) s(n): 27374301
• 13812768 is an abundant number, because the sum of its proper divisors (27374301) is greater than itself. Its abundance is 13561533

Bases of 13812768

• Binary: 110100101100010000100000₂
• Hexadecimal: 0xD2C420
• Base-36: 88200

Squares and roots of 13812768

• 13812768 squared (13812768²) is 190792559821824
• 13812768 cubed (13812768³) is 2635373364944976248832
• The square root of 13812768 is 3716.5532419167
• The cube root of 13812768 is 239.9349823879

Scales and comparisons

• 13,812,768 seconds is equal to 22 weeks, 5 days, 20 hours, 52 minutes, 48 seconds.
• To count from 1 to 13,812,768 would take you about thirty-four 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 13812768 cubic inches would be around 20 feet tall.

Recreational maths with 13812768

• 13812768 backwards is 86721831
• 13812768 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13812768's digits is 36
• More coming soon!