13212864

Names of 13212864

• Cardinal: 13212864 can be written as Thirteen million, two hundred twelve thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.3212864 × 10⁷

Factors of 13212864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 154

Divisors of 13212864

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 29 32 36 42 48 56 58 63 64 72 84 87 96 112 113 116 126 144 168 174 192 203 224 226 232 252 261 288 336 339 348 406 448 452 464 504 522 576 609 672 678 696 791 812 904 928 1008 1017 1044 1218 1344 1356 1392 1582 1624 1808 1827 1856 2016 2034 2088 2373 2436 2712 2784 3164 3248 3277 3616 3654 4032 4068 4176 4746 4872 5424 5568 6328 6496 6554 7119 7232 7308 8136 8352 9492 9744 9831 10848 12656 12992 13108 14238 14616 16272 16704 18984 19488 19662 21696 22939 25312 26216 28476 29232 29493 32544 37968 38976 39324 45878 50624 52432 56952 58464 58986 65088 68817 75936 78648 91756 104864 113904 116928 117972 137634 151872 157296 183512 206451 209728 227808 235944 275268 314592 367024 412902 455616 471888 550536 629184 734048 825804 943776 1101072 1468096 1651608 1887552 2202144 3303216 4404288 6606432 13212864
• Sum of all divisors σ(n): 45171360
• Sum of proper divisors (its aliquot sum) s(n): 31958496
• 13212864 is an abundant number, because the sum of its proper divisors (31958496) is greater than itself. Its abundance is 18745632

Bases of 13212864

• Binary: 110010011001110011000000₂
• Hexadecimal: 0xC99CC0
• Base-36: 7V740

Squares and roots of 13212864

• 13212864 squared (13212864²) is 174579775082496
• 13212864 cubed (13212864³) is 2306698825315608428544
• The square root of 13212864 is 3634.9503435399
• The cube root of 13212864 is 236.4098976333

Scales and comparisons

• 13,212,864 seconds is equal to 21 weeks, 5 days, 22 hours, 14 minutes, 24 seconds.
• To count from 1 to 13,212,864 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 13212864 cubic inches would be around 19.7 feet tall.

Recreational maths with 13212864

• 13212864 backwards is 46821231
• The number of decimal digits it has is: 8
• The sum of 13212864's digits is 27
• More coming soon!