30386250

Names of 30386250

• Cardinal: 30386250 can be written as Thirty million, three hundred eighty-six thousand, two hundred fifty.

Scientific notation

• Scientific notation: 3.038625 × 10⁷

Factors of 30386250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 120

Divisors of 30386250

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 30 37 45 50 73 74 75 90 111 125 146 150 185 219 222 225 250 333 365 370 375 438 450 555 625 657 666 730 750 925 1095 1110 1125 1250 1314 1665 1825 1850 1875 2190 2250 2701 2775 3285 3330 3650 3750 4625 5402 5475 5550 5625 6570 8103 8325 9125 9250 10950 11250 13505 13875 16206 16425 16650 18250 23125 24309 27010 27375 27750 32850 40515 41625 45625 46250 48618 54750 67525 69375 81030 82125 83250 91250 121545 135050 136875 138750 164250 202575 208125 243090 273750 337625 405150 410625 416250 607725 675250 821250 1012875 1215450 1688125 2025750 3038625 3376250 5064375 6077250 10128750 15193125 30386250
• Sum of all divisors σ(n): 85650708
• Sum of proper divisors (its aliquot sum) s(n): 55264458
• 30386250 is an abundant number, because the sum of its proper divisors (55264458) is greater than itself. Its abundance is 24878208

Bases of 30386250

• Binary: 1110011111010100001001010₂
• Hexadecimal: 0x1CFA84A
• Base-36: I3A6I

Squares and roots of 30386250

• 30386250 squared (30386250²) is 923324189062500
• 30386250 cubed (30386250³) is 28056359639900390625000
• The square root of 30386250 is 5512.3724475039
• The cube root of 30386250 is 312.0510887739

Scales and comparisons

• 30,386,250 seconds is equal to 50 weeks, 1 day, 16 hours, 37 minutes, 30 seconds.
• To count from 1 to 30,386,250 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 30386250 cubic inches would be around 26 feet tall.

Recreational maths with 30386250

• 30386250 backwards is 05268303
• The number of decimal digits it has is: 8
• The sum of 30386250's digits is 27
• More coming soon!