689528122990

Names of 689528122990

• Cardinal: 689528122990 can be written as Six hundred eighty-nine billion, five hundred twenty-eight million, one hundred twenty-two thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 6.8952812299 × 10¹¹

Factors of 689528122990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 318394

Divisors of 689528122990

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 5 7 10 14 35 49 70 98 245 490 4483 8966 22415 31381 44830 62762 156905 219667 313810 313897 439334 627794 1098335 1569485 2196670 2197279 3138970 4394558 10986395 15380953 21972790 30761906 76904765 153809530 1407200251 2814400502 7036001255 9850401757 14072002510 19700803514 49252008785 68952812299 98504017570 137905624598 344764061495 689528122990
• Sum of all divisors σ(n): 1444114116432
• Sum of proper divisors (its aliquot sum) s(n): 754585993442
• 689528122990 is an abundant number, because the sum of its proper divisors (754585993442) is greater than itself. Its abundance is 65057870452

Bases of 689528122990

• Binary: 1010000010001011000101000010111001101110₂
• Hexadecimal: 0xA08B142E6E
• Base-36: 8SRJ8ORY

Squares and roots of 689528122990

• 689528122990 squared (689528122990²) is 475449032394112566540100
• 689528122990 cubed (689528122990³) is 327835478884124143933166631566899000
• The square root of 689528122990 is 830378.3011314783
• The cube root of 689528122990 is 8834.5410825541

Scales and comparisons

• 689,528,122,990 seconds is equal to 21,924 years, 44 weeks, 5 days, 13 hours, 43 minutes, 10 seconds.
• To count from 1 to 689,528,122,990 would take you about forty-three thousand, eight hundred forty-nine 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 689528122990 cubic inches would be around 736.2 feet tall.

Recreational maths with 689528122990

• 689528122990 backwards is 099221825986
• The number of decimal digits it has is: 12
• The sum of 689528122990's digits is 61
• More coming soon!