1389049700

Names of 1389049700

• Cardinal: 1389049700 can be written as One billion, three hundred eighty-nine million, forty-nine thousand, seven hundred.

Scientific notation

• Scientific notation: 1.3890497 × 10⁹

Factors of 1389049700

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1802

Divisors of 1389049700

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 20 25 50 89 97 100 178 194 356 388 445 485 890 970 1609 1780 1940 2225 2425 3218 4450 4850 6436 8045 8633 8900 9700 16090 17266 32180 34532 40225 43165 80450 86330 143201 156073 160900 172660 215825 286402 312146 431650 572804 624292 716005 780365 863300 1432010 1560730 2864020 3121460 3580025 3901825 7160050 7803650 13890497 14320100 15607300 27780994 55561988 69452485 138904970 277809940 347262425 694524850 1389049700
• Sum of all divisors σ(n): 3081443400
• Sum of proper divisors (its aliquot sum) s(n): 1692393700
• 1389049700 is an abundant number, because the sum of its proper divisors (1692393700) is greater than itself. Its abundance is 303344000

Bases of 1389049700

• Binary: 1010010110010110011011101100100₂
• Hexadecimal: 0x52CB3764
• Base-36: MZ05LW

Squares and roots of 1389049700

• 1389049700 squared (1389049700²) is 1929459069070090000
• 1389049700 cubed (1389049700³) is 2680114541054087793473000000
• The square root of 1389049700 is 37269.9570700047
• The cube root of 1389049700 is 1115.7646427111

Scales and comparisons

• 1,389,049,700 seconds is equal to 44 years, 8 weeks, 4 days, 23 hours, 8 minutes, 20 seconds.
• To count from 1 to 1,389,049,700 would take you about eighty-eight 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 1389049700 cubic inches would be around 93 feet tall.

Recreational maths with 1389049700

• 1389049700 backwards is 0079409831
• The number of decimal digits it has is: 10
• The sum of 1389049700's digits is 41
• More coming soon!