12722528

Names of 12722528

• Cardinal: 12722528 can be written as Twelve million, seven hundred twenty-two thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 1.2722528 × 10⁷

Factors of 12722528

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 296

Divisors of 12722528

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 13 14 16 17 26 28 32 34 52 56 68 91 104 112 119 136 182 208 221 224 238 257 272 364 416 442 476 514 544 728 884 952 1028 1456 1547 1768 1799 1904 2056 2912 3094 3341 3536 3598 3808 4112 4369 6188 6682 7072 7196 8224 8738 12376 13364 14392 17476 23387 24752 26728 28784 30583 34952 46774 49504 53456 56797 57568 61166 69904 93548 106912 113594 122332 139808 187096 227188 244664 374192 397579 454376 489328 748384 795158 908752 978656 1590316 1817504 3180632 6361264 12722528
• Sum of all divisors σ(n): 32768064
• Sum of proper divisors (its aliquot sum) s(n): 20045536
• 12722528 is an abundant number, because the sum of its proper divisors (20045536) is greater than itself. Its abundance is 7323008

Bases of 12722528

• Binary: 110000100010000101100000₂
• Hexadecimal: 0xC22160
• Base-36: 7KORK

Squares and roots of 12722528

• 12722528 squared (12722528²) is 161862718710784
• 12722528 cubed (12722528³) is 2059302970954073341952
• The square root of 12722528 is 3566.8652904195
• The cube root of 12722528 is 233.4485272477

Scales and comparisons

• 12,722,528 seconds is equal to 21 weeks, 6 hours, 2 minutes, 8 seconds.
• To count from 1 to 12,722,528 would take you about thirty-one 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 12722528 cubic inches would be around 19.5 feet tall.

Recreational maths with 12722528

• 12722528 backwards is 82522721
• The number of decimal digits it has is: 8
• The sum of 12722528's digits is 29
• More coming soon!