13538340

Names of 13538340

• Cardinal: 13538340 can be written as Thirteen million, five hundred thirty-eight thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.353834 × 10⁷

Factors of 13538340

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 208

Divisors of 13538340

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 61 81 90 108 122 135 137 162 180 183 244 270 274 305 324 366 405 411 540 548 549 610 685 732 810 822 915 1098 1220 1233 1370 1620 1644 1647 1830 2055 2196 2466 2740 2745 3294 3660 3699 4110 4932 4941 5490 6165 6588 7398 8220 8235 8357 9882 10980 11097 12330 14796 16470 16714 18495 19764 22194 24660 24705 25071 32940 33428 36990 41785 44388 49410 50142 55485 73980 75213 83570 98820 100284 110970 125355 150426 167140 221940 225639 250710 300852 376065 451278 501420 676917 752130 902556 1128195 1353834 1504260 2256390 2707668 3384585 4512780 6769170 13538340
• Sum of all divisors σ(n): 43481592
• Sum of proper divisors (its aliquot sum) s(n): 29943252
• 13538340 is an abundant number, because the sum of its proper divisors (29943252) is greater than itself. Its abundance is 16404912

Bases of 13538340

• Binary: 110011101001010000100100₂
• Hexadecimal: 0xCE9424
• Base-36: 82690

Squares and roots of 13538340

• 13538340 squared (13538340²) is 183286649955600
• 13538340 cubed (13538340³) is 2481396984559897704000
• The square root of 13538340 is 3679.4483282145
• The cube root of 13538340 is 238.3353556917

Scales and comparisons

• 13,538,340 seconds is equal to 22 weeks, 2 days, 16 hours, 39 minutes.
• To count from 1 to 13,538,340 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 13538340 cubic inches would be around 19.9 feet tall.

Recreational maths with 13538340

• 13538340 backwards is 04383531
• 13538340 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13538340's digits is 27
• More coming soon!