13905540

Names of 13905540

• Cardinal: 13905540 can be written as Thirteen million, nine hundred five thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.390554 × 10⁷

Factors of 13905540

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2362

Divisors of 13905540

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 90 99 108 110 132 135 165 180 198 220 270 297 330 396 495 540 594 660 990 1188 1485 1980 2341 2970 4682 5940 7023 9364 11705 14046 21069 23410 25751 28092 35115 42138 46820 51502 63207 70230 77253 84276 103004 105345 126414 128755 140460 154506 210690 231759 252828 257510 309012 316035 386265 421380 463518 515020 632070 695277 772530 927036 1158795 1264140 1390554 1545060 2317590 2781108 3476385 4635180 6952770 13905540
• Sum of all divisors σ(n): 47214720
• Sum of proper divisors (its aliquot sum) s(n): 33309180
• 13905540 is an abundant number, because the sum of its proper divisors (33309180) is greater than itself. Its abundance is 19403640

Bases of 13905540

• Binary: 110101000010111010000100₂
• Hexadecimal: 0xD42E84
• Base-36: 8A1L0

Squares and roots of 13905540

• 13905540 squared (13905540²) is 193364042691600
• 13905540 cubed (13905540³) is 2688831430209751464000
• The square root of 13905540 is 3729.0132743127
• The cube root of 13905540 is 240.4709502533

Scales and comparisons

• 13,905,540 seconds is equal to 22 weeks, 6 days, 22 hours, 39 minutes.
• To count from 1 to 13,905,540 would take you about thirty-four 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 13905540 cubic inches would be around 20 feet tall.

Recreational maths with 13905540

• 13905540 backwards is 04550931
• 13905540 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13905540's digits is 27
• More coming soon!