30920000

Names of 30920000

• Cardinal: 30920000 can be written as Thirty million, nine hundred twenty thousand.

Scientific notation

• Scientific notation: 3.092 × 10⁷

Factors of 30920000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 780

Divisors of 30920000

• Number of divisors d(n): 70
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 773 800 1000 1250 1546 1600 2000 2500 3092 3865 4000 5000 6184 7730 8000 10000 12368 15460 19325 20000 24736 30920 38650 40000 49472 61840 77300 96625 123680 154600 193250 247360 309200 386500 483125 618400 773000 966250 1236800 1546000 1932500 3092000 3865000 6184000 7730000 15460000 30920000
• Sum of all divisors σ(n): 76770738
• Sum of proper divisors (its aliquot sum) s(n): 45850738
• 30920000 is an abundant number, because the sum of its proper divisors (45850738) is greater than itself. Its abundance is 14930738

Bases of 30920000

• Binary: 1110101111100110101000000₂
• Hexadecimal: 0x1D7CD40
• Base-36: IEQ0W

Squares and roots of 30920000

• 30920000 squared (30920000²) is 956046400000000
• 30920000 cubed (30920000³) is 29560954688000000000000
• The square root of 30920000 is 5560.5755097831
• The cube root of 30920000 is 313.8676061599

Scales and comparisons

• 30,920,000 seconds is equal to 51 weeks, 20 hours, 53 minutes, 20 seconds.
• To count from 1 to 30,920,000 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 30920000 cubic inches would be around 26.2 feet tall.

Recreational maths with 30920000

• 30920000 backwards is 00002903
• The number of decimal digits it has is: 8
• The sum of 30920000's digits is 14
• More coming soon!