1998072328

Names of 1998072328

• Cardinal: 1998072328 can be written as One billion, nine hundred ninety-eight million, seventy-two thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.998072328 × 10⁹

Factors of 1998072328

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 315873

Divisors of 1998072328

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 4 7 8 14 28 56 113 226 452 791 904 1582 3164 6328 315751 631502 1263004 2210257 2526008 4420514 8841028 17682056 35679863 71359726 142719452 249759041 285438904 499518082 999036164 1998072328
• Sum of all divisors σ(n): 4319487360
• Sum of proper divisors (its aliquot sum) s(n): 2321415032
• 1998072328 is an abundant number, because the sum of its proper divisors (2321415032) is greater than itself. Its abundance is 323342704

Bases of 1998072328

• Binary: 1110111000110000010101000001000₂
• Hexadecimal: 0x77182A08
• Base-36: X1LMH4

Squares and roots of 1998072328

• 1998072328 squared (1998072328²) is 3992293027919339584
• 1998072328 cubed (1998072328³) is 7976890224352963838825431552
• The square root of 1998072328 is 44699.8023261849
• The cube root of 1998072328 is 1259.5161340211

Scales and comparisons

• 1,998,072,328 seconds is equal to 63 years, 27 weeks, 4 days, 20 hours, 5 minutes, 28 seconds.
• To count from 1 to 1,998,072,328 would take you about one hundred twenty-seven 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 1998072328 cubic inches would be around 105 feet tall.

Recreational maths with 1998072328

• 1998072328 backwards is 8232708991
• The number of decimal digits it has is: 10
• The sum of 1998072328's digits is 49
• More coming soon!