1029428749

Names of 1029428749

• Cardinal: 1029428749 can be written as One billion, twenty-nine million, four hundred twenty-eight thousand, seven hundred forty-nine.

Scientific notation

• Scientific notation: 1.029428749 × 10⁹

Factors of 1029428749

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 21027

Divisors of 1029428749

• Number of divisors d(n): 8
• Complete list of divisors:
  1 31 1723 19273 53413 597463 33207379 1029428749
• Sum of all divisors σ(n): 1063308032
• Sum of proper divisors (its aliquot sum) s(n): 33879283
• 1029428749 is a deficient number, because the sum of its proper divisors (33879283) is less than itself. Its deficiency is 995549466

Bases of 1029428749

• Binary: 111101010110111101011000001101₂
• Hexadecimal: 0x3D5BD60D
• Base-36: H0W8B1

Squares and roots of 1029428749

• 1029428749 squared (1029428749²) is 1059723549267705001
• 1029428749 cubed (1029428749³) is 1090909887608493425280473749
• The square root of 1029428749 is 32084.7120760029
• The cube root of 1029428749 is 1009.7148981261

Scales and comparisons

• 1,029,428,749 seconds is equal to 32 years, 38 weeks, 16 hours, 25 minutes, 49 seconds.
• To count from 1 to 1,029,428,749 would take you about sixty-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 1029428749 cubic inches would be around 84.1 feet tall.

Recreational maths with 1029428749

• 1029428749 backwards is 9478249201
• The number of decimal digits it has is: 10
• The sum of 1029428749's digits is 46
• More coming soon!