1989990577

Names of 1989990577

• Cardinal: 1989990577 can be written as One billion, nine hundred eighty-nine million, nine hundred ninety thousand, five hundred seventy-seven.

Scientific notation

• Scientific notation: 1.989990577 × 10⁹

Factors of 1989990577

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 70499

Divisors of 1989990577

• Number of divisors d(n): 8
• Complete list of divisors:
  1 101 281 28381 70117 7081817 19702877 1989990577
• Sum of all divisors σ(n): 2016874152
• Sum of proper divisors (its aliquot sum) s(n): 26883575
• 1989990577 is a deficient number, because the sum of its proper divisors (26883575) is less than itself. Its deficiency is 1963107002

Bases of 1989990577

• Binary: 1110110100111001101100010110001₂
• Hexadecimal: 0x769CD8B1
• Base-36: WWSEK1

Squares and roots of 1989990577

• 1989990577 squared (1989990577²) is 3960062496548792929
• 1989990577 cubed (1989990577³) is 7880487052463192949434230033
• The square root of 1989990577 is 44609.3104295505
• The cube root of 1989990577 is 1257.8156866111

Scales and comparisons

• 1,989,990,577 seconds is equal to 63 years, 14 weeks, 2 days, 7 hours, 9 minutes, 37 seconds.
• To count from 1 to 1,989,990,577 would take you about one hundred twenty-six 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 1989990577 cubic inches would be around 104.8 feet tall.

Recreational maths with 1989990577

• 1989990577 backwards is 7750999891
• The number of decimal digits it has is: 10
• The sum of 1989990577's digits is 64
• More coming soon!