85120

Names of 85120

• Cardinal: 85120 can be written as Eighty-five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 8.512 × 10⁴

Factors of 85120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 33

Divisors of 85120

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 56 64 70 76 80 95 112 128 133 140 152 160 190 224 266 280 304 320 380 448 532 560 608 640 665 760 896 1064 1120 1216 1330 1520 2128 2240 2432 2660 3040 4256 4480 5320 6080 8512 10640 12160 17024 21280 42560 85120
• Sum of all divisors σ(n): 244800
• Sum of proper divisors (its aliquot sum) s(n): 159680
• 85120 is an abundant number, because the sum of its proper divisors (159680) is greater than itself. Its abundance is 74560

Bases of 85120

• Binary: 10100110010000000₂
• Hexadecimal: 0x14C80
• Base-36: 1TOG

Squares and roots of 85120

• 85120 squared (85120²) is 7245414400
• 85120 cubed (85120³) is 616729673728000
• The square root of 85120 is 291.7533204609
• The cube root of 85120 is 43.9889779553

Scales and comparisons

• 85,120 seconds is equal to 23 hours, 38 minutes, 40 seconds.
• To count from 1 to 85,120 would take you about twenty-three 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 85120 cubic inches would be around 3.7 feet tall.

Recreational maths with 85120

• 85120 backwards is 02158
• 85120 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 85120's digits is 16
• More coming soon!