30929220

Names of 30929220

• Cardinal: 30929220 can be written as Thirty million, nine hundred twenty-nine thousand, two hundred twenty.

Scientific notation

• Scientific notation: 3.092922 × 10⁷

Factors of 30929220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 24564

Divisors of 30929220

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 24547 49094 73641 98188 122735 147282 171829 220923 245470 294564 343658 368205 441846 490940 515487 687316 736410 859145 883692 1030974 1104615 1472820 1546461 1718290 2061948 2209230 2577435 3092922 3436580 4418460 5154870 6185844 7732305 10309740 15464610 30929220
• Sum of all divisors σ(n): 107225664
• Sum of proper divisors (its aliquot sum) s(n): 76296444
• 30929220 is an abundant number, because the sum of its proper divisors (76296444) is greater than itself. Its abundance is 45367224

Bases of 30929220

• Binary: 1110101111111000101000100₂
• Hexadecimal: 0x1D7F144
• Base-36: IEX50

Squares and roots of 30929220

• 30929220 squared (30929220²) is 956616649808400
• 30929220 cubed (30929220³) is 29587406817586961448000
• The square root of 30929220 is 5561.4044988653
• The cube root of 30929220 is 313.8988003353

Scales and comparisons

• 30,929,220 seconds is equal to 51 weeks, 23 hours, 27 minutes.
• To count from 1 to 30,929,220 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 30929220 cubic inches would be around 26.2 feet tall.

Recreational maths with 30929220

• 30929220 backwards is 02292903
• The number of decimal digits it has is: 8
• The sum of 30929220's digits is 27
• More coming soon!