13405080

Names of 13405080

• Cardinal: 13405080 can be written as Thirteen million, four hundred five thousand and eighty.

Scientific notation

• Scientific notation: 1.340508 × 10⁷

Factors of 13405080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 684

Divisors of 13405080

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 169 195 260 312 338 390 507 520 661 676 780 845 1014 1322 1352 1560 1690 1983 2028 2535 2644 3305 3380 3966 4056 5070 5288 6610 6760 7932 8593 9915 10140 13220 15864 17186 19830 20280 25779 26440 34372 39660 42965 51558 68744 79320 85930 103116 111709 128895 171860 206232 223418 257790 335127 343720 446836 515580 558545 670254 893672 1031160 1117090 1340508 1675635 2234180 2681016 3351270 4468360 6702540 13405080
• Sum of all divisors σ(n): 43612560
• Sum of proper divisors (its aliquot sum) s(n): 30207480
• 13405080 is an abundant number, because the sum of its proper divisors (30207480) is greater than itself. Its abundance is 16802400

Bases of 13405080

• Binary: 110011001000101110011000₂
• Hexadecimal: 0xCC8B98
• Base-36: 7ZBFC

Squares and roots of 13405080

• 13405080 squared (13405080²) is 179696169806400
• 13405080 cubed (13405080³) is 2408841531948376512000
• The square root of 13405080 is 3661.2948529175
• The cube root of 13405080 is 237.5507850769

Scales and comparisons

• 13,405,080 seconds is equal to 22 weeks, 1 day, 3 hours, 38 minutes.
• To count from 1 to 13,405,080 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 13405080 cubic inches would be around 19.8 feet tall.

Recreational maths with 13405080

• 13405080 backwards is 08050431
• The number of decimal digits it has is: 8
• The sum of 13405080's digits is 21
• More coming soon!