30331938

Names of 30331938

• Cardinal: 30331938 can be written as Thirty million, three hundred thirty-one thousand, nine hundred thirty-eight.

Scientific notation

• Scientific notation: 3.0331938 × 10⁷

Factors of 30331938

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 859

Divisors of 30331938

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 39 42 73 78 91 146 182 219 273 438 511 546 761 949 1022 1522 1533 1898 2283 2847 3066 4566 5327 5694 6643 9893 10654 13286 15981 19786 19929 29679 31962 39858 55553 59358 69251 111106 138502 166659 207753 333318 388871 415506 722189 777742 1166613 1444378 2166567 2333226 4333134 5055323 10110646 15165969 30331938
• Sum of all divisors σ(n): 75785472
• Sum of proper divisors (its aliquot sum) s(n): 45453534
• 30331938 is an abundant number, because the sum of its proper divisors (45453534) is greater than itself. Its abundance is 15121596

Bases of 30331938

• Binary: 1110011101101010000100010₂
• Hexadecimal: 0x1CED422
• Base-36: I249U

Squares and roots of 30331938

• 30331938 squared (30331938²) is 920026462835844
• 30331938 cubed (30331938³) is 27906185629096124385672
• The square root of 30331938 is 5507.4438717065
• The cube root of 30331938 is 311.8650591677

Scales and comparisons

• 30,331,938 seconds is equal to 50 weeks, 1 day, 1 hour, 32 minutes, 18 seconds.
• To count from 1 to 30,331,938 would take you about twenty-three 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 30331938 cubic inches would be around 26 feet tall.

Recreational maths with 30331938

• 30331938 backwards is 83913303
• The number of decimal digits it has is: 8
• The sum of 30331938's digits is 30
• More coming soon!