4021901984

Names of 4021901984

• Cardinal: 4021901984 can be written as Four billion, twenty-one million, nine hundred one thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 4.021901984 × 10⁹

Factors of 4021901984

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 125684439

Divisors of 4021901984

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 8 16 32 125684437 251368874 502737748 1005475496 2010950992 4021901984
• Sum of all divisors σ(n): 7918119594
• Sum of proper divisors (its aliquot sum) s(n): 3896217610
• 4021901984 is a deficient number, because the sum of its proper divisors (3896217610) is less than itself. Its deficiency is 125684374

Bases of 4021901984

• Binary: 11101111101110010101101010100000₂
• Hexadecimal: 0xEFB95AA0
• Base-36: 1UIJBFK

Squares and roots of 4021901984

• 4021901984 squared (4021901984²) is 16175695568903136256
• 4021901984 cubed (4021901984³) is 65057062101151532411828731904
• The square root of 4021901984 is 63418.4672157881
• The cube root of 4021901984 is 1590.2930493701

Scales and comparisons

• 4,021,901,984 seconds is equal to 127 years, 45 weeks, 6 days, 18 hours, 59 minutes, 44 seconds.
• To count from 1 to 4,021,901,984 would take you about two hundred fifty-five 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 4021901984 cubic inches would be around 132.5 feet tall.

Recreational maths with 4021901984

• 4021901984 backwards is 4891091204
• The number of decimal digits it has is: 10
• The sum of 4021901984's digits is 38
• More coming soon!