989630642

Names of 989630642

• Cardinal: 989630642 can be written as Nine hundred eighty-nine million, six hundred thirty thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 9.89630642 × 10⁸

Factors of 989630642

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1443

Divisors of 989630642

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 11 13 14 22 26 77 91 143 154 182 286 653 757 1001 1306 1514 2002 4571 5299 7183 8327 8489 9142 9841 10598 14366 16654 16978 19682 50281 58289 59423 68887 93379 100562 108251 116578 118846 137774 186758 216502 494321 653653 757757 988642 1307306 1515514 3460247 5437531 6426173 6920494 10875062 12852346 38062717 44983211 70687903 76125434 89966422 141375806 494815321 989630642
• Sum of all divisors σ(n): 1998791424
• Sum of proper divisors (its aliquot sum) s(n): 1009160782
• 989630642 is an abundant number, because the sum of its proper divisors (1009160782) is greater than itself. Its abundance is 19530140

Bases of 989630642

• Binary: 111010111111001001000010110010₂
• Hexadecimal: 0x3AFC90B2
• Base-36: GD77W2

Squares and roots of 989630642

• 989630642 squared (989630642²) is 979368807585332164
• 989630642 cubed (989630642³) is 969213381805446739242569288
• The square root of 989630642 is 31458.3954136253
• The cube root of 989630642 is 996.5315309647

Scales and comparisons

• 989,630,642 seconds is equal to 31 years, 24 weeks, 2 days, 1 hour, 24 minutes, 2 seconds.
• To count from 1 to 989,630,642 would take you about forty-seven 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 989630642 cubic inches would be around 83 feet tall.

Recreational maths with 989630642

• 989630642 backwards is 246036989
• The number of decimal digits it has is: 9
• The sum of 989630642's digits is 47
• More coming soon!