13388280

Names of 13388280

• Cardinal: 13388280 can be written as Thirteen million, three hundred eighty-eight thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.338828 × 10⁷

Factors of 13388280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 161

Divisors of 13388280

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 59 60 61 62 93 118 120 122 124 155 177 183 186 236 244 248 295 305 310 354 366 372 465 472 488 590 610 620 708 732 744 885 915 930 1180 1220 1240 1416 1464 1770 1829 1830 1860 1891 2360 2440 3540 3599 3658 3660 3720 3782 5487 5673 7080 7198 7316 7320 7564 9145 9455 10797 10974 11346 14396 14632 15128 17995 18290 18910 21594 21948 22692 27435 28365 28792 35990 36580 37820 43188 43896 45384 53985 54870 56730 71980 73160 75640 86376 107970 109740 111569 113460 143960 215940 219480 223138 226920 334707 431880 446276 557845 669414 892552 1115690 1338828 1673535 2231380 2677656 3347070 4462760 6694140 13388280
• Sum of all divisors σ(n): 42854400
• Sum of proper divisors (its aliquot sum) s(n): 29466120
• 13388280 is an abundant number, because the sum of its proper divisors (29466120) is greater than itself. Its abundance is 16077840

Bases of 13388280

• Binary: 110011000100100111111000₂
• Hexadecimal: 0xCC49F8
• Base-36: 7YYGO

Squares and roots of 13388280

• 13388280 squared (13388280²) is 179246041358400
• 13388280 cubed (13388280³) is 2399796190597839552000
• The square root of 13388280 is 3658.9998633505
• The cube root of 13388280 is 237.4515062579

Scales and comparisons

• 13,388,280 seconds is equal to 22 weeks, 22 hours, 58 minutes.
• To count from 1 to 13,388,280 would take you about thirty-three 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 13388280 cubic inches would be around 19.8 feet tall.

Recreational maths with 13388280

• 13388280 backwards is 08288331
• The number of decimal digits it has is: 8
• The sum of 13388280's digits is 33
• More coming soon!