1389352020

Names of 1389352020

• Cardinal: 1389352020 can be written as One billion, three hundred eighty-nine million, three hundred fifty-two thousand and twenty.

Scientific notation

• Scientific notation: 1.38935202 × 10⁹

Factors of 1389352020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3999

Divisors of 1389352020

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 1181 2362 2801 3543 4724 5602 5905 7086 8267 8403 11204 11810 14005 14172 16534 16806 17715 19607 23620 24801 28010 33068 33612 35430 39214 41335 42015 49602 56020 58821 70860 78428 82670 84030 98035 99204 117642 124005 165340 168060 196070 235284 248010 294105 392140 496020 588210 1176420 3307981 6615962 9923943 13231924 16539905 19847886 23155867 33079810 39695772 46311734 49619715 66159620 69467601 92623468 99239430 115779335 138935202 198478860 231558670 277870404 347338005 463117340 694676010 1389352020
• Sum of all divisors σ(n): 4451279616
• Sum of proper divisors (its aliquot sum) s(n): 3061927596
• 1389352020 is an abundant number, because the sum of its proper divisors (3061927596) is greater than itself. Its abundance is 1672575576

Bases of 1389352020

• Binary: 1010010110011111101010001010100₂
• Hexadecimal: 0x52CFD454
• Base-36: MZ6MVO

Squares and roots of 1389352020

• 1389352020 squared (1389352020²) is 1930299035478080400
• 1389352020 cubed (1389352020³) is 2681864864145522669462408000
• The square root of 1389352020 is 37274.0126629801
• The cube root of 1389352020 is 1115.8455837789

Scales and comparisons

• 1,389,352,020 seconds is equal to 44 years, 9 weeks, 1 day, 11 hours, 7 minutes.
• To count from 1 to 1,389,352,020 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 1389352020 cubic inches would be around 93 feet tall.

Recreational maths with 1389352020

• 1389352020 backwards is 0202539831
• The number of decimal digits it has is: 10
• The sum of 1389352020's digits is 33
• More coming soon!