2138373829

Names of 2138373829

• Cardinal: 2138373829 can be written as Two billion, one hundred thirty-eight million, three hundred seventy-three thousand, eight hundred twenty-nine.

Scientific notation

• Scientific notation: 2.138373829 × 10⁹

Factors of 2138373829

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 256827

Divisors of 2138373829

• Number of divisors d(n): 8
• Complete list of divisors:
  1 19 439 8341 256369 4871011 112545991 2138373829
• Sum of all divisors σ(n): 2256056000
• Sum of proper divisors (its aliquot sum) s(n): 117682171
• 2138373829 is a deficient number, because the sum of its proper divisors (117682171) is less than itself. Its deficiency is 2020691658

Bases of 2138373829

• Binary: 1111111011101001111111011000101₂
• Hexadecimal: 0x7F74FEC5
• Base-36: ZD4RT1

Squares and roots of 2138373829

• 2138373829 squared (2138373829²) is 4572642632552121241
• 2138373829 cubed (2138373829³) is 9778019334819119540189401789
• The square root of 2138373829 is 46242.5543087749
• The cube root of 2138373829 is 1288.3322455787

Scales and comparisons

• 2,138,373,829 seconds is equal to 67 years, 51 weeks, 4 days, 16 hours, 43 minutes, 49 seconds.
• To count from 1 to 2,138,373,829 would take you about one hundred thirty-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 2138373829 cubic inches would be around 107.4 feet tall.

Recreational maths with 2138373829

• 2138373829 backwards is 9283738312
• The number of decimal digits it has is: 10
• The sum of 2138373829's digits is 46
• More coming soon!