90072

Names of 90072

• Cardinal: 90072 can be written as Ninety thousand and seventy-two.

Scientific notation

• Scientific notation: 9.0072 × 10⁴

Factors of 90072

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 144

Divisors of 90072

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 139 162 216 278 324 417 556 648 834 1112 1251 1668 2502 3336 3753 5004 7506 10008 11259 15012 22518 30024 45036 90072
• Sum of all divisors σ(n): 254100
• Sum of proper divisors (its aliquot sum) s(n): 164028
• 90072 is an abundant number, because the sum of its proper divisors (164028) is greater than itself. Its abundance is 73956

Bases of 90072

• Binary: 10101111111011000₂
• Hexadecimal: 0x15FD8
• Base-36: 1XI0

Squares and roots of 90072

• 90072 squared (90072²) is 8112965184
• 90072 cubed (90072³) is 730751000053248
• The square root of 90072 is 300.1199760095
• The cube root of 90072 is 44.8259946931

Scales and comparisons

• 90,072 seconds is equal to 1 day, 1 hour, 1 minute, 12 seconds.
• To count from 1 to 90,072 would take you about twelve seconds.

  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 90072 cubic inches would be around 3.7 feet tall.

Recreational maths with 90072

• 90072 backwards is 27009
• 90072 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 90072's digits is 18
• More coming soon!