85272040

Names of 85272040

• Cardinal: 85272040 can be written as Eighty-five million, two hundred seventy-two thousand and forty.

Scientific notation

• Scientific notation: 8.527204 × 10⁷

Factors of 85272040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 13278

Divisors of 85272040

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 23 28 35 40 46 56 70 92 115 140 161 184 230 280 322 460 644 805 920 1288 1610 3220 6440 13241 26482 52964 66205 92687 105928 132410 185374 264820 304543 370748 463435 529640 609086 741496 926870 1218172 1522715 1853740 2131801 2436344 3045430 3707480 4263602 6090860 8527204 10659005 12181720 17054408 21318010 42636020 85272040
• Sum of all divisors σ(n): 228821760
• Sum of proper divisors (its aliquot sum) s(n): 143549720
• 85272040 is an abundant number, because the sum of its proper divisors (143549720) is greater than itself. Its abundance is 58277680

Bases of 85272040

• Binary: 101000101010010010111101000₂
• Hexadecimal: 0x51525E8
• Base-36: 1EROBS

Squares and roots of 85272040

• 85272040 squared (85272040²) is 7271320805761600
• 85272040 cubed (85272040³) is 620040358601735385664000
• The square root of 85272040 is 9234.2861120933
• The cube root of 85272040 is 440.1515318299

Scales and comparisons

• 85,272,040 seconds is equal to 2 years, 36 weeks, 6 days, 22 hours, 40 minutes, 40 seconds.
• To count from 1 to 85,272,040 would take you about four years!

  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 85272040 cubic inches would be around 36.7 feet tall.

Recreational maths with 85272040

• 85272040 backwards is 04027258
• 85272040 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 85272040's digits is 28
• More coming soon!