13455120

Names of 13455120

• Cardinal: 13455120 can be written as Thirteen million, four hundred fifty-five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.345512 × 10⁷

Factors of 13455120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8026

Divisors of 13455120

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 8009 16018 24027 32036 40045 48054 56063 64072 80090 96108 112126 120135 128144 160180 168189 192216 224252 240270 280315 320360 336378 384432 448504 480540 560630 640720 672756 840945 897008 961080 1121260 1345512 1681890 1922160 2242520 2691024 3363780 4485040 6727560 13455120
• Sum of all divisors σ(n): 47675520
• Sum of proper divisors (its aliquot sum) s(n): 34220400
• 13455120 is an abundant number, because the sum of its proper divisors (34220400) is greater than itself. Its abundance is 20765280

Bases of 13455120

• Binary: 110011010100111100010000₂
• Hexadecimal: 0xCD4F10
• Base-36: 80E1C

Squares and roots of 13455120

• 13455120 squared (13455120²) is 181040254214400
• 13455120 cubed (13455120³) is 2435918345285257728000
• The square root of 13455120 is 3668.1221353709
• The cube root of 13455120 is 237.8460035261

Scales and comparisons

• 13,455,120 seconds is equal to 22 weeks, 1 day, 17 hours, 32 minutes.
• To count from 1 to 13,455,120 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 13455120 cubic inches would be around 19.8 feet tall.

Recreational maths with 13455120

• 13455120 backwards is 02155431
• 13455120 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13455120's digits is 21
• More coming soon!