13286988

Names of 13286988

• Cardinal: 13286988 can be written as Thirteen million, two hundred eighty-six thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 1.3286988 × 10⁷

Factors of 13286988

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 147

Divisors of 13286988

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 11 12 13 18 22 26 29 33 36 39 44 52 58 66 78 87 89 99 116 117 132 143 156 174 178 198 234 261 267 286 319 348 356 377 396 429 468 522 534 572 638 754 801 858 957 979 1044 1068 1131 1157 1276 1287 1508 1602 1716 1914 1958 2262 2314 2574 2581 2871 2937 3204 3393 3471 3828 3916 4147 4524 4628 5148 5162 5742 5874 6786 6942 7743 8294 8811 10324 10413 11484 11748 12441 12727 13572 13884 15486 16588 17622 20826 23229 24882 25454 28391 30972 33553 35244 37323 38181 41652 46458 49764 50908 56782 67106 74646 76362 85173 92916 100659 113564 114543 134212 149292 152724 170346 201318 229086 255519 301977 340692 369083 402636 458172 511038 603954 738166 1022076 1107249 1207908 1476332 2214498 3321747 4428996 6643494 13286988
• Sum of all divisors σ(n): 41277600
• Sum of proper divisors (its aliquot sum) s(n): 27990612
• 13286988 is an abundant number, because the sum of its proper divisors (27990612) is greater than itself. Its abundance is 14703624

Bases of 13286988

• Binary: 110010101011111001001100₂
• Hexadecimal: 0xCABE4C
• Base-36: 7WSB0

Squares and roots of 13286988

• 13286988 squared (13286988²) is 176544050112144
• 13286988 cubed (13286988³) is 2345738675311455982272
• The square root of 13286988 is 3645.1320963719
• The cube root of 13286988 is 236.8511590145

Scales and comparisons

• 13,286,988 seconds is equal to 21 weeks, 6 days, 18 hours, 49 minutes, 48 seconds.
• To count from 1 to 13,286,988 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 13286988 cubic inches would be around 19.7 feet tall.

Recreational maths with 13286988

• 13286988 backwards is 88968231
• The number of decimal digits it has is: 8
• The sum of 13286988's digits is 45
• More coming soon!