309120142646

Names of 309120142646

• Cardinal: 309120142646 can be written as Three hundred nine billion, one hundred twenty million, one hundred forty-two thousand, six hundred forty-six.

Scientific notation

• Scientific notation: 3.09120142646 × 10¹¹

Factors of 309120142646

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 185397

Divisors of 309120142646

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 14 23 46 71 73 142 146 161 322 497 511 994 1022 1633 1679 3266 3358 5183 10366 11431 11753 22862 23506 36281 72562 119209 185221 238418 370442 834463 1296547 1668926 2593094 4260083 8520166 13150691 13521133 26301382 27042266 29820581 59641162 92054837 94647931 184109674 189295862 302465893 310986059 604931786 621972118 960000443 1920000886 2117261251 2176902413 4234522502 4353804826 6720003101 13440006202 22080010189 44160020378 154560071323 309120142646
• Sum of all divisors σ(n): 568432982016
• Sum of proper divisors (its aliquot sum) s(n): 259312839370
• 309120142646 is a deficient number, because the sum of its proper divisors (259312839370) is less than itself. Its deficiency is 49807303276

Bases of 309120142646

• Binary: 100011111111000111111110000110100110110₂
• Hexadecimal: 0x47F8FF0D36
• Base-36: 3Y0A5GL2

Squares and roots of 309120142646

• 309120142646 squared (309120142646²) is 95555262589483387881316
• 309120142646 cubed (309120142646³) is 29538056402237092201319749638202136
• The square root of 309120142646 is 555985.7396066917
• The cube root of 309120142646 is 6761.4903889595

Scales and comparisons

• 309,120,142,646 seconds is equal to 9,829 years, 3 weeks, 2 days, 10 hours, 17 minutes, 26 seconds.
• To count from 1 to 309,120,142,646 would take you about nineteen thousand, six hundred fifty-eight 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 309120142646 cubic inches would be around 563.5 feet tall.

Recreational maths with 309120142646

• 309120142646 backwards is 646241021903
• The number of decimal digits it has is: 12
• The sum of 309120142646's digits is 38
• More coming soon!