13825728

Names of 13825728

• Cardinal: 13825728 can be written as Thirteen million, eight hundred twenty-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3825728 × 10⁷

Factors of 13825728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 139

Divisors of 13825728

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 127 144 162 168 189 192 216 224 243 252 254 288 324 336 378 381 432 448 486 504 508 567 576 648 672 756 762 864 889 972 1008 1016 1134 1143 1296 1344 1512 1524 1701 1728 1778 1944 2016 2032 2268 2286 2592 2667 3024 3048 3402 3429 3556 3888 4032 4064 4536 4572 5184 5334 6048 6096 6804 6858 7112 7776 8001 8128 9072 9144 10287 10668 12096 12192 13608 13716 14224 15552 16002 18144 18288 20574 21336 24003 24384 27216 27432 28448 30861 32004 36288 36576 41148 42672 48006 54432 54864 56896 61722 64008 72009 73152 82296 85344 96012 108864 109728 123444 128016 144018 164592 170688 192024 216027 219456 246888 256032 288036 329184 384048 432054 493776 512064 576072 658368 768096 864108 987552 1152144 1536192 1728216 1975104 2304288 3456432 4608576 6912864 13825728
• Sum of all divisors σ(n): 47337472
• Sum of proper divisors (its aliquot sum) s(n): 33511744
• 13825728 is an abundant number, because the sum of its proper divisors (33511744) is greater than itself. Its abundance is 19686016

Bases of 13825728

• Binary: 110100101111011011000000₂
• Hexadecimal: 0xD2F6C0
• Base-36: 88C00

Squares and roots of 13825728

• 13825728 squared (13825728²) is 191150754729984
• 13825728 cubed (13825728³) is 2642798341891472228352
• The square root of 13825728 is 3718.2963840985
• The cube root of 13825728 is 240.0099995833

Scales and comparisons

• 13,825,728 seconds is equal to 22 weeks, 6 days, 28 minutes, 48 seconds.
• To count from 1 to 13,825,728 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 13825728 cubic inches would be around 20 feet tall.

Recreational maths with 13825728

• 13825728 backwards is 82752831
• 13825728 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13825728's digits is 36
• More coming soon!