1994249838

Names of 1994249838

• Cardinal: 1994249838 can be written as One billion, nine hundred ninety-four million, two hundred forty-nine thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 1.994249838 × 10⁹

Factors of 1994249838

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2793096

Divisors of 1994249838

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 2793067 5586134 8379201 16758402 19551469 39102938 47482139 58654407 94964278 117308814 142446417 284892834 332374973 664749946 997124919 1994249838
• Sum of all divisors σ(n): 4826421504
• Sum of proper divisors (its aliquot sum) s(n): 2832171666
• 1994249838 is an abundant number, because the sum of its proper divisors (2832171666) is greater than itself. Its abundance is 837921828

Bases of 1994249838

• Binary: 1110110110111011101011001101110₂
• Hexadecimal: 0x76DDD66E
• Base-36: WZBP0U

Squares and roots of 1994249838

• 1994249838 squared (1994249838²) is 3977032416363026244
• 1994249838 cubed (1994249838³) is 7931196252052713636286748472
• The square root of 1994249838 is 44657.0245090289
• The cube root of 1994249838 is 1258.7124325053

Scales and comparisons

• 1,994,249,838 seconds is equal to 63 years, 21 weeks, 2 days, 14 hours, 17 minutes, 18 seconds.
• To count from 1 to 1,994,249,838 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 1994249838 cubic inches would be around 104.9 feet tall.

Recreational maths with 1994249838

• 1994249838 backwards is 8389424991
• The number of decimal digits it has is: 10
• The sum of 1994249838's digits is 57
• More coming soon!