3988130

Names of 3988130

• Cardinal: 3988130 can be written as Three million, nine hundred eighty-eight thousand, one hundred thirty.

Scientific notation

• Scientific notation: 3.98813 × 10⁶

Factors of 3988130

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 398820

Divisors of 3988130

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 398813 797626 1994065 3988130
• Sum of all divisors σ(n): 7178652
• Sum of proper divisors (its aliquot sum) s(n): 3190522
• 3988130 is a deficient number, because the sum of its proper divisors (3190522) is less than itself. Its deficiency is 797608

Bases of 3988130

• Binary: 1111001101101010100010₂
• Hexadecimal: 0x3CDAA2
• Base-36: 2DH9E

Squares and roots of 3988130

• 3988130 squared (3988130²) is 15905180896900
• 3988130 cubed (3988130³) is 63431929090353797000
• The square root of 3988130 is 1997.0302952133
• The cube root of 3988130 is 158.5829292001

Scales and comparisons

• 3,988,130 seconds is equal to 6 weeks, 4 days, 3 hours, 48 minutes, 50 seconds.
• To count from 1 to 3,988,130 would take you about nine weeks!

  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 3988130 cubic inches would be around 13.2 feet tall.

Recreational maths with 3988130

• 3988130 backwards is 0318893
• The number of decimal digits it has is: 7
• The sum of 3988130's digits is 32
• More coming soon!