1998454974

Names of 1998454974

• Cardinal: 1998454974 can be written as One billion, nine hundred ninety-eight million, four hundred fifty-four thousand, nine hundred seventy-four.

Scientific notation

• Scientific notation: 1.998454974 × 10⁹

Factors of 1998454974

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 333075834

Divisors of 1998454974

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 333075829 666151658 999227487 1998454974
• Sum of all divisors σ(n): 3996909960
• Sum of proper divisors (its aliquot sum) s(n): 1998454986
• 1998454974 is an abundant number, because the sum of its proper divisors (1998454986) is greater than itself. Its abundance is 12

Bases of 1998454974

• Binary: 1110111000111100000000010111110₂
• Hexadecimal: 0x771E00BE
• Base-36: X1TTQ6

Squares and roots of 1998454974

• 1998454974 squared (1998454974²) is 3993822283105340676
• 1998454974 cubed (1998454974³) is 7981474006943904239916722424
• The square root of 1998454974 is 44704.0822968105
• The cube root of 1998454974 is 1259.5965311855

Scales and comparisons

• 1,998,454,974 seconds is equal to 63 years, 28 weeks, 2 days, 6 hours, 22 minutes, 54 seconds.
• To count from 1 to 1,998,454,974 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 1998454974 cubic inches would be around 105 feet tall.

Recreational maths with 1998454974

• 1998454974 backwards is 4794548991
• The number of decimal digits it has is: 10
• The sum of 1998454974's digits is 60
• More coming soon!