13221376

Names of 13221376

• Cardinal: 13221376 can be written as Thirteen million, two hundred twenty-one thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 1.3221376 × 10⁷

Factors of 13221376

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 57

Divisors of 13221376

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 31 32 34 49 56 62 64 68 98 112 119 124 128 136 196 217 224 238 248 256 272 392 434 448 476 496 512 527 544 784 833 868 896 952 992 1054 1088 1519 1568 1666 1736 1792 1904 1984 2108 2176 3038 3136 3332 3472 3584 3689 3808 3968 4216 4352 6076 6272 6664 6944 7378 7616 7936 8432 8704 12152 12544 13328 13888 14756 15232 15872 16864 24304 25088 25823 26656 27776 29512 30464 33728 48608 51646 53312 55552 59024 60928 67456 97216 103292 106624 111104 118048 134912 194432 206584 213248 236096 269824 388864 413168 426496 472192 777728 826336 944384 1652672 1888768 3305344 6610688 13221376
• Sum of all divisors σ(n): 33587136
• Sum of proper divisors (its aliquot sum) s(n): 20365760
• 13221376 is an abundant number, because the sum of its proper divisors (20365760) is greater than itself. Its abundance is 7144384

Bases of 13221376

• Binary: 110010011011111000000000₂
• Hexadecimal: 0xC9BE00
• Base-36: 7VDOG

Squares and roots of 13221376

• 13221376 squared (13221376²) is 174804783333376
• 13221376 cubed (13221376³) is 2311159767049097445376
• The square root of 13221376 is 3636.1210100877
• The cube root of 13221376 is 236.4606534491

Scales and comparisons

• 13,221,376 seconds is equal to 21 weeks, 6 days, 36 minutes, 16 seconds.
• To count from 1 to 13,221,376 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 13221376 cubic inches would be around 19.7 feet tall.

Recreational maths with 13221376

• 13221376 backwards is 67312231
• The number of decimal digits it has is: 8
• The sum of 13221376's digits is 25
• More coming soon!