689138438584

Names of 689138438584

• Cardinal: 689138438584 can be written as Six hundred eighty-nine billion, one hundred thirty-eight million, four hundred thirty-eight thousand, five hundred eighty-four.

Scientific notation

• Scientific notation: 6.89138438584 × 10¹¹

Factors of 689138438584

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3265

Divisors of 689138438584

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 19 23 38 46 76 92 152 184 361 437 722 874 1444 1748 2888 3221 3496 6442 8303 12884 16606 25768 33212 61199 66424 74083 122398 148166 244796 296332 489592 592664 1162781 1407577 2325562 2815154 4651124 5630308 9302248 10374841 11260616 20749682 26743963 41499364 53487926 82998728 106975852 197121979 213951704 238621343 394243958 477242686 788487916 954485372 1576975832 1908970744 3745317601 4533805517 7490635202 9067611034 14981270404 18135222068 29962540808 36270444136 86142304823 172284609646 344569219292 689138438584
• Sum of all divisors σ(n): 1423455121080
• Sum of proper divisors (its aliquot sum) s(n): 734316682496
• 689138438584 is an abundant number, because the sum of its proper divisors (734316682496) is greater than itself. Its abundance is 45178243912

Bases of 689138438584

• Binary: 1010000001110011110110100001000110111000₂
• Hexadecimal: 0xA073DA11B8
• Base-36: 8SL38ED4

Squares and roots of 689138438584

• 689138438584 squared (689138438584²) is 474911787533993539925056
• 689138438584 cubed (689138438584³) is 327279967726312663925895956218760704
• The square root of 689138438584 is 830143.6252745665
• The cube root of 689138438584 is 8832.8764989435

Scales and comparisons

• 689,138,438,584 seconds is equal to 21,912 years, 24 weeks, 3 days, 8 hours, 3 minutes, 4 seconds.
• To count from 1 to 689,138,438,584 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 689138438584 cubic inches would be around 736.1 feet tall.

Recreational maths with 689138438584

• 689138438584 backwards is 485834831986
• The number of decimal digits it has is: 12
• The sum of 689138438584's digits is 67
• More coming soon!