990351322551668

Names of 990351322551668

• Cardinal: 990351322551668 can be written as Nine hundred ninety trillion, three hundred fifty-one billion, three hundred twenty-two million, five hundred fifty-one thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 9.90351322551668 × 10¹⁴

Factors of 990351322551668

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1793181

Divisors of 990351322551668

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 4 7 11 14 22 28 44 77 154 308 1793161 3586322 7172644 12552127 19724771 25104254 39449542 50208508 78899084 138073397 276146794 552293588 3215426371921 6430852743842 12861705487684 22507984603447 35369690091131 45015969206894 70739380182262 90031938413788 141478760364524 247587830637917 495175661275834 990351322551668
• Sum of all divisors σ(n): 2160767726935776
• Sum of proper divisors (its aliquot sum) s(n): 1170416404384108
• 990351322551668 is an abundant number, because the sum of its proper divisors (1170416404384108) is greater than itself. Its abundance is 180065081832440

Bases of 990351322551668

• Binary: 11100001001011100000100010110010001001010101110100₂
• Hexadecimal: 0x384B822C89574
• Base-36: 9R1T47C0OK

Squares and roots of 990351322551668

• 990351322551668 squared (990351322551668²) is 980795742079837950514529582224
• 990351322551668 cubed (990351322551668³) is 971332360321812169279534994448095605694349632
• The square root of 990351322551668 is 31469847.8317208899
• The cube root of 990351322551668 is 99677.3374267863

Scales and comparisons

• 990,351,322,551,668 seconds is equal to 31,490,108 years, 36 weeks, 2 days, 13 hours, 41 minutes, 8 seconds.
• To count from 1 to 990,351,322,551,668 would take you about seventy-eight million, seven hundred twenty-five thousand, two hundred seventy-one 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 990351322551668 cubic inches would be around 8306.4 feet tall.

Recreational maths with 990351322551668

• 990351322551668 backwards is 866155223153099
• The number of decimal digits it has is: 15
• The sum of 990351322551668's digits is 65
• More coming soon!