61980221

Names of 61980221

• Cardinal: 61980221 can be written as Sixty-one million, nine hundred eighty thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 6.1980221 × 10⁷

Factors of 61980221

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3343

Divisors of 61980221

• Number of divisors d(n): 8
• Complete list of divisors:
  1 29 877 2437 25433 70673 2137249 61980221
• Sum of all divisors σ(n): 64216920
• Sum of proper divisors (its aliquot sum) s(n): 2236699
• 61980221 is a deficient number, because the sum of its proper divisors (2236699) is less than itself. Its deficiency is 59743522

Bases of 61980221

• Binary: 11101100011011111000111101₂
• Hexadecimal: 0x3B1BE3D
• Base-36: 10WG8T

Squares and roots of 61980221

• 61980221 squared (61980221²) is 3841547795208841
• 61980221 cubed (61980221³) is 238099981329106706333861
• The square root of 61980221 is 7872.7518060713
• The cube root of 61980221 is 395.7470687831

Scales and comparisons

• 61,980,221 seconds is equal to 1 year, 50 weeks, 3 days, 8 hours, 43 minutes, 41 seconds.
• To count from 1 to 61,980,221 would take you about two 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 61980221 cubic inches would be around 33 feet tall.

Recreational maths with 61980221

• 61980221 backwards is 12208916
• 61980221 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 61980221's digits is 29
• More coming soon!