8990120001

Names of 8990120001

• Cardinal: 8990120001 can be written as Eight billion, nine hundred ninety million, one hundred twenty thousand and one.

Scientific notation

• Scientific notation: 8.990120001 × 10⁹

Factors of 8990120001

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 96667991

Divisors of 8990120001

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 31 93 96667957 290003871 2996706667 8990120001
• Sum of all divisors σ(n): 12373498624
• Sum of proper divisors (its aliquot sum) s(n): 3383378623
• 8990120001 is a deficient number, because the sum of its proper divisors (3383378623) is less than itself. Its deficiency is 5606741378

Bases of 8990120001

• Binary: 1000010111110110100101100001000001₂
• Hexadecimal: 0x217DA5841
• Base-36: 44OHGZL

Squares and roots of 8990120001

• 8990120001 squared (8990120001²) is 80822257632380240001
• 8990120001 cubed (8990120001³) is 726601794866836500870170360001
• The square root of 8990120001 is 94816.2433394195
• The cube root of 8990120001 is 2079.3223878331

Scales and comparisons

• 8,990,120,001 seconds is equal to 285 years, 44 weeks, 4 days, 7 hours, 33 minutes, 21 seconds.
• To count from 1 to 8,990,120,001 would take you about five 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 8990120001 cubic inches would be around 173.3 feet tall.

Recreational maths with 8990120001

• 8990120001 backwards is 1000210998
• The number of decimal digits it has is: 10
• The sum of 8990120001's digits is 30
• More coming soon!