990939828

Names of 990939828

• Cardinal: 990939828 can be written as Nine hundred ninety million, nine hundred thirty-nine thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 9.90939828 × 10⁸

Factors of 990939828

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 82578324

Divisors of 990939828

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 3 4 6 12 82578319 165156638 247734957 330313276 495469914 990939828
• Sum of all divisors σ(n): 2312192960
• Sum of proper divisors (its aliquot sum) s(n): 1321253132
• 990939828 is an abundant number, because the sum of its proper divisors (1321253132) is greater than itself. Its abundance is 330313304

Bases of 990939828

• Binary: 111011000100001000101010110100₂
• Hexadecimal: 0x3B108AB4
• Base-36: GDZA2C

Squares and roots of 990939828

• 990939828 squared (990939828²) is 981961742716669584
• 990939828 cubed (990939828³) is 973065000430236810301791552
• The square root of 990939828 is 31479.1967495995
• The cube root of 990939828 is 996.9707757325

Scales and comparisons

• 990,939,828 seconds is equal to 31 years, 26 weeks, 3 days, 5 hours, 3 minutes, 48 seconds.
• To count from 1 to 990,939,828 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 990939828 cubic inches would be around 83.1 feet tall.

Recreational maths with 990939828

• 990939828 backwards is 828939099
• The number of decimal digits it has is: 9
• The sum of 990939828's digits is 57
• More coming soon!