30980

Names of 30980

• Cardinal: 30980 can be written as Thirty thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 3.098 × 10⁴

Factors of 30980

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1556

Divisors of 30980

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 5 10 20 1549 3098 6196 7745 15490 30980
• Sum of all divisors σ(n): 65100
• Sum of proper divisors (its aliquot sum) s(n): 34120
• 30980 is an abundant number, because the sum of its proper divisors (34120) is greater than itself. Its abundance is 3140

Bases of 30980

• Binary: 111100100000100₂
• Hexadecimal: 0x7904
• Base-36: NWK

Squares and roots of 30980

• 30980 squared (30980²) is 959760400
• 30980 cubed (30980³) is 29733377192000
• The square root of 30980 is 176.0113632695
• The cube root of 30980 is 31.4070494133

Scales and comparisons

• 30,980 seconds is equal to 8 hours, 36 minutes, 20 seconds.
• To count from 1 to 30,980 would take you about eight 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 30980 cubic inches would be around 2.6 feet tall.

Recreational maths with 30980

• 30980 backwards is 08903
• 30980 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 30980's digits is 20
• More coming soon!