309946142

Names of 309946142

• Cardinal: 309946142 can be written as Three hundred nine million, nine hundred forty-six thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 3.09946142 × 10⁸

Factors of 309946142

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 100

Divisors of 309946142

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 11 17 22 29 34 41 58 82 187 289 319 374 451 493 578 638 697 902 986 1189 1394 1681 2378 3179 3362 5423 6358 7667 8381 10846 11849 13079 15334 16762 18491 20213 23698 26158 28577 36982 40426 48749 57154 92191 97498 130339 184382 222343 260678 314347 343621 444686 485809 536239 628694 687242 828733 971618 1072478 1657466 3779831 5343899 7559662 9116063 10687798 14088461 18232126 28176922 154973071 309946142
• Sum of all divisors σ(n): 571277880
• Sum of proper divisors (its aliquot sum) s(n): 261331738
• 309946142 is a deficient number, because the sum of its proper divisors (261331738) is less than itself. Its deficiency is 48614404

Bases of 309946142

• Binary: 10010011110010110011100011110₂
• Hexadecimal: 0x1279671E
• Base-36: 54J7Z2

Squares and roots of 309946142

• 309946142 squared (309946142²) is 96066610940684164
• 309946142 cubed (309946142³) is 29775475436080047472295288
• The square root of 309946142 is 17605.2873307993
• The cube root of 309946142 is 676.7507487979

Scales and comparisons

• 309,946,142 seconds is equal to 9 years, 44 weeks, 3 days, 8 hours, 9 minutes, 2 seconds.
• To count from 1 to 309,946,142 would take you about fourteen years!

  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 309946142 cubic inches would be around 56.4 feet tall.

Recreational maths with 309946142

• 309946142 backwards is 241649903
• The number of decimal digits it has is: 9
• The sum of 309946142's digits is 38
• More coming soon!