1438329680

Names of 1438329680

• Cardinal: 1438329680 can be written as One billion, four hundred thirty-eight million, three hundred twenty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.43832968 × 10⁹

Factors of 1438329680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 11529

Divisors of 1438329680

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 1861 3722 7444 9305 9661 14888 18610 19322 29776 37220 38644 48305 74440 77288 96610 148880 154576 193220 386440 772880 17979121 35958242 71916484 89895605 143832968 179791210 287665936 359582420 719164840 1438329680
• Sum of all divisors σ(n): 3346259784
• Sum of proper divisors (its aliquot sum) s(n): 1907930104
• 1438329680 is an abundant number, because the sum of its proper divisors (1907930104) is greater than itself. Its abundance is 469600424

Bases of 1438329680

• Binary: 1010101101110110010101101010000₂
• Hexadecimal: 0x55BB2B50
• Base-36: NSCEA8

Squares and roots of 1438329680

• 1438329680 squared (1438329680²) is 2068792268368902400
• 1438329680 cubed (1438329680³) is 2975605321349517510943232000
• The square root of 1438329680 is 37925.3171377645
• The cube root of 1438329680 is 1128.8064459247

Scales and comparisons

• 1,438,329,680 seconds is equal to 45 years, 38 weeks, 1 day, 8 hours, 1 minute, 20 seconds.
• To count from 1 to 1,438,329,680 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 1438329680 cubic inches would be around 94.1 feet tall.

Recreational maths with 1438329680

• 1438329680 backwards is 0869238341
• The number of decimal digits it has is: 10
• The sum of 1438329680's digits is 44
• More coming soon!