130521

Names of 130521

• Cardinal: 130521 can be written as One hundred thirty thousand, five hundred twenty-one.

Scientific notation

• Scientific notation: 1.30521 × 10⁵

Factors of 130521

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 455

Divisors of 130521

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 139 313 417 939 43507 130521
• Sum of all divisors σ(n): 175840
• Sum of proper divisors (its aliquot sum) s(n): 45319
• 130521 is a deficient number, because the sum of its proper divisors (45319) is less than itself. Its deficiency is 85202

Bases of 130521

• Binary: 11111110111011001₂
• Hexadecimal: 0x1FDD9
• Base-36: 2SPL

Squares and roots of 130521

• 130521 squared (130521²) is 17035731441
• 130521 cubed (130521³) is 2223520703410761
• The square root of 130521 is 361.2769021125
• The cube root of 130521 is 50.7255538389

Scales and comparisons

• 130,521 seconds is equal to 1 day, 12 hours, 15 minutes, 21 seconds.
• To count from 1 to 130,521 would take you about twelve 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 130521 cubic inches would be around 4.2 feet tall.

Recreational maths with 130521

• 130521 backwards is 125031
• The number of decimal digits it has is: 6
• The sum of 130521's digits is 12
• More coming soon!