72980

Names of 72980

• Cardinal: 72980 can be written as Seventy-two thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 7.298 × 10⁴

Factors of 72980

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 137

Divisors of 72980

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 5 10 20 41 82 89 164 178 205 356 410 445 820 890 1780 3649 7298 14596 18245 36490 72980
• Sum of all divisors σ(n): 158760
• Sum of proper divisors (its aliquot sum) s(n): 85780
• 72980 is an abundant number, because the sum of its proper divisors (85780) is greater than itself. Its abundance is 12800

Bases of 72980

• Binary: 10001110100010100₂
• Hexadecimal: 0x11D14
• Base-36: 1KB8

Squares and roots of 72980

• 72980 squared (72980²) is 5326080400
• 72980 cubed (72980³) is 388697347592000
• The square root of 72980 is 270.1481075263
• The cube root of 72980 is 41.7895748671

Scales and comparisons

• 72,980 seconds is equal to 20 hours, 16 minutes, 20 seconds.
• To count from 1 to 72,980 would take you about twenty 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 72980 cubic inches would be around 3.5 feet tall.

Recreational maths with 72980

• 72980 backwards is 08927
• The number of decimal digits it has is: 5
• The sum of 72980's digits is 26
• More coming soon!