1385289960

Names of 1385289960

• Cardinal: 1385289960 can be written as One billion, three hundred eighty-five million, two hundred eighty-nine thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.38528996 × 10⁹

Factors of 1385289960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 281614

Divisors of 1385289960

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 41 60 82 120 123 164 205 246 328 410 492 615 820 984 1230 1640 2460 4920 281563 563126 844689 1126252 1407815 1689378 2252504 2815630 3378756 4223445 5631260 6757512 8446890 11262520 11544083 16893780 23088166 33787560 34632249 46176332 57720415 69264498 92352664 115440830 138528996 173161245 230881660 277057992 346322490 461763320 692644980 1385289960
• Sum of all divisors σ(n): 4257247680
• Sum of proper divisors (its aliquot sum) s(n): 2871957720
• 1385289960 is an abundant number, because the sum of its proper divisors (2871957720) is greater than itself. Its abundance is 1486667760

Bases of 1385289960

• Binary: 1010010100100011101100011101000₂
• Hexadecimal: 0x5291D8E8
• Base-36: MWRKKO

Squares and roots of 1385289960

• 1385289960 squared (1385289960²) is 1919028273276801600
• 1385289960 cubed (1385289960³) is 2658410599926489557391936000
• The square root of 1385289960 is 37219.4836073797
• The cube root of 1385289960 is 1114.7570532505

Scales and comparisons

• 1,385,289,960 seconds is equal to 44 years, 2 weeks, 3 days, 10 hours, 46 minutes.
• To count from 1 to 1,385,289,960 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 1385289960 cubic inches would be around 92.9 feet tall.

Recreational maths with 1385289960

• 1385289960 backwards is 0699825831
• The number of decimal digits it has is: 10
• The sum of 1385289960's digits is 51
• More coming soon!