30998922

Names of 30998922

• Cardinal: 30998922 can be written as Thirty million, nine hundred ninety-eight thousand, nine hundred twenty-two.

Scientific notation

• Scientific notation: 3.0998922 × 10⁷

Factors of 30998922

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2542

Divisors of 30998922

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 17 34 51 102 127 254 381 762 2159 2393 4318 4786 6477 7179 12954 14358 40681 81362 122043 244086 303911 607822 911733 1823466 5166487 10332974 15499461 30998922
• Sum of all divisors σ(n): 66189312
• Sum of proper divisors (its aliquot sum) s(n): 35190390
• 30998922 is an abundant number, because the sum of its proper divisors (35190390) is greater than itself. Its abundance is 4191468

Bases of 30998922

• Binary: 1110110010000000110001010₂
• Hexadecimal: 0x1D9018A
• Base-36: IGEX6

Squares and roots of 30998922

• 30998922 squared (30998922²) is 960933165162084
• 30998922 cubed (30998922³) is 29787892234072559273448
• The square root of 30998922 is 5567.6675547307
• The cube root of 30998922 is 314.1344238977

Scales and comparisons

• 30,998,922 seconds is equal to 51 weeks, 1 day, 18 hours, 48 minutes, 42 seconds.
• To count from 1 to 30,998,922 would take you about twenty-four weeks!

  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 30998922 cubic inches would be around 26.2 feet tall.

Recreational maths with 30998922

• 30998922 backwards is 22989903
• The number of decimal digits it has is: 8
• The sum of 30998922's digits is 42
• More coming soon!