148721

Names of 148721

• Cardinal: 148721 can be written as One hundred forty-eight thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.48721 × 10⁵

Factors of 148721

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 148721

Divisors of 148721

• Number of divisors d(n): 2
• Complete list of divisors:
  1 148721
• Sum of all divisors σ(n): 148722
• Sum of proper divisors (its aliquot sum) s(n): 1
• 148721 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 148720

Bases of 148721

• Binary: 100100010011110001₂
• Hexadecimal: 0x244F1
• Base-36: 36R5

Squares and roots of 148721

• 148721 squared (148721²) is 22117935841
• 148721 cubed (148721³) is 3289401536209361
• The square root of 148721 is 385.6436178651
• The cube root of 148721 is 52.9814816047

Scales and comparisons

• 148,721 seconds is equal to 1 day, 17 hours, 18 minutes, 41 seconds.
• To count from 1 to 148,721 would take you about seventeen 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 148721 cubic inches would be around 4.4 feet tall.

Recreational maths with 148721

• 148721 backwards is 127841
• 148721 is a twin prime! Its twin is 148723
• The number of decimal digits it has is: 6
• The sum of 148721's digits is 23
• More coming soon!