30921150

Names of 30921150

• Cardinal: 30921150 can be written as Thirty million, nine hundred twenty-one thousand, one hundred fifty.

Scientific notation

• Scientific notation: 3.092115 × 10⁷

Factors of 30921150

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 281

Divisors of 30921150

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 101 130 150 157 195 202 303 314 325 390 471 505 606 650 785 942 975 1010 1313 1515 1570 1950 2041 2355 2525 2626 3030 3925 3939 4082 4710 5050 6123 6565 7575 7850 7878 10205 11775 12246 13130 15150 15857 19695 20410 23550 30615 31714 32825 39390 47571 51025 61230 65650 79285 95142 98475 102050 153075 158570 196950 206141 237855 306150 396425 412282 475710 618423 792850 1030705 1189275 1236846 2061410 2378550 3092115 5153525 6184230 10307050 15460575 30921150
• Sum of all divisors σ(n): 83932128
• Sum of proper divisors (its aliquot sum) s(n): 53010978
• 30921150 is an abundant number, because the sum of its proper divisors (53010978) is greater than itself. Its abundance is 22089828

Bases of 30921150

• Binary: 1110101111101000110111110₂
• Hexadecimal: 0x1D7D1BE
• Base-36: IEQWU

Squares and roots of 30921150

• 30921150 squared (30921150²) is 956117517322500
• 30921150 cubed (30921150³) is 29564253170756620875000
• The square root of 30921150 is 5560.6789153843
• The cube root of 30921150 is 313.8714973121

Scales and comparisons

• 30,921,150 seconds is equal to 51 weeks, 21 hours, 12 minutes, 30 seconds.
• To count from 1 to 30,921,150 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 30921150 cubic inches would be around 26.2 feet tall.

Recreational maths with 30921150

• 30921150 backwards is 05112903
• The number of decimal digits it has is: 8
• The sum of 30921150's digits is 21
• More coming soon!