16380

Names of 16380

• Cardinal: 16380 can be written as Sixteen thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.638 × 10⁴

Factors of 16380

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 30

Divisors of 16380

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 39 42 45 52 60 63 65 70 78 84 90 91 105 117 126 130 140 156 180 182 195 210 234 252 260 273 315 364 390 420 455 468 546 585 630 780 819 910 1092 1170 1260 1365 1638 1820 2340 2730 3276 4095 5460 8190 16380
• Sum of all divisors σ(n): 61152
• Sum of proper divisors (its aliquot sum) s(n): 44772
• 16380 is an abundant number, because the sum of its proper divisors (44772) is greater than itself. Its abundance is 28392

Bases of 16380

• Binary: 11111111111100₂
• Hexadecimal: 0x3FFC
• Base-36: CN0

Squares and roots of 16380

• 16380 squared (16380²) is 268304400
• 16380 cubed (16380³) is 4394826072000
• The square root of 16380 is 127.9843740463
• The cube root of 16380 is 25.3963497349

Scales and comparisons

• 16,380 seconds is equal to 4 hours, 33 minutes.
• To count from 1 to 16,380 would take you about four hours.

  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 16380 cubic inches would be around 2.1 feet tall.

Recreational maths with 16380

• 16380 backwards is 08361
• 16380 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 16380's digits is 18
• More coming soon!