689138672950

Names of 689138672950

• Cardinal: 689138672950 can be written as Six hundred eighty-nine billion, one hundred thirty-eight million, six hundred seventy-two thousand, nine hundred fifty.

Scientific notation

• Scientific notation: 6.8913867295 × 10¹¹

Factors of 689138672950

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3091028

Divisors of 689138672950

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 7 10 13 14 25 26 35 49 50 65 70 91 98 130 175 182 245 325 343 350 455 490 637 650 686 910 1225 1274 1715 2275 2450 3185 3430 4459 4550 6370 8575 8918 15925 17150 22295 31850 44590 111475 222950 3091001 6182002 15455005 21637007 30910010 40183013 43274014 77275025 80366026 108185035 151459049 154550050 200915065 216370070 281281091 302918098 401830130 540925175 562562182 757295245 1004575325 1060213343 1081850350 1406405455 1514590490 1968967637 2009150650 2120426686 2812810910 3786476225 3937935274 5301066715 7032027275 7572952450 9844838185 10602133430 13782773459 14064054550 19689676370 26505333575 27565546918 49224190925 53010667150 68913867295 98448381850 137827734590 344569336475 689138672950
• Sum of all divisors σ(n): 1609793841600
• Sum of proper divisors (its aliquot sum) s(n): 920655168650
• 689138672950 is an abundant number, because the sum of its proper divisors (920655168650) is greater than itself. Its abundance is 231516495700

Bases of 689138672950

• Binary: 1010000001110011110111011010010100110110₂
• Hexadecimal: 0xA073DDA536
• Base-36: 8SL3DF7A

Squares and roots of 689138672950

• 689138672950 squared (689138672950²) is 474912110555287061702500
• 689138672950 cubed (689138672950³) is 327280301635954213307965617697375000
• The square root of 689138672950 is 830143.7664344653
• The cube root of 689138672950 is 8832.8775002543

Scales and comparisons

• 689,138,672,950 seconds is equal to 21,912 years, 24 weeks, 6 days, 1 hour, 9 minutes, 10 seconds.
• To count from 1 to 689,138,672,950 would take you about forty-three thousand, eight hundred twenty-four 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 689138672950 cubic inches would be around 736.1 feet tall.

Recreational maths with 689138672950

• 689138672950 backwards is 059276831986
• The number of decimal digits it has is: 12
• The sum of 689138672950's digits is 64
• More coming soon!