1439843021

Names of 1439843021

• Cardinal: 1439843021 can be written as One billion, four hundred thirty-nine million, eight hundred forty-three thousand and twenty-one.

Scientific notation

• Scientific notation: 1.439843021 × 10⁹

Factors of 1439843021

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 3308

Divisors of 1439843021

• Number of divisors d(n): 16
• Complete list of divisors:
  1 59 73 109 3067 4307 6431 7957 180953 223891 334303 469463 13209569 19723877 24404119 1439843021
• Sum of all divisors σ(n): 1498411200
• Sum of proper divisors (its aliquot sum) s(n): 58568179
• 1439843021 is a deficient number, because the sum of its proper divisors (58568179) is less than itself. Its deficiency is 1381274842

Bases of 1439843021

• Binary: 1010101110100100100001011001101₂
• Hexadecimal: 0x55D242CD
• Base-36: NT8TZH

Squares and roots of 1439843021

• 1439843021 squared (1439843021²) is 2073147925122406441
• 1439843021 cubed (1439843021³) is 2985007571488127484799298261
• The square root of 1439843021 is 37945.2634857105
• The cube root of 1439843021 is 1129.2021990287

Scales and comparisons

• 1,439,843,021 seconds is equal to 45 years, 40 weeks, 4 days, 20 hours, 23 minutes, 41 seconds.
• To count from 1 to 1,439,843,021 would take you about ninety-one 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 1439843021 cubic inches would be around 94.1 feet tall.

Recreational maths with 1439843021

• 1439843021 backwards is 1203489341
• The number of decimal digits it has is: 10
• The sum of 1439843021's digits is 35
• More coming soon!