389129120342

Names of 389129120342

• Cardinal: 389129120342 can be written as Three hundred eighty-nine billion, one hundred twenty-nine million, one hundred twenty thousand, three hundred forty-two.

Scientific notation

• Scientific notation: 3.89129120342 × 10¹¹

Factors of 389129120342

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 332

Divisors of 389129120342

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 19 38 47 94 113 151 226 302 893 1786 2147 2869 4294 5311 5738 7097 10622 12769 14194 17063 25538 34126 100909 134843 201818 242611 269686 324197 485222 600143 648394 801961 1200286 1442897 1603922 1928119 2885794 3856238 11402717 15237259 22805434 27415043 30474518 36634261 54830086 67816159 73268522 90621593 135632318 181243186 217877447 435754894 1288507021 1721810267 2577014042 3443620534 4139671493 8279342986 10240240009 20480480018 194564560171 389129120342
• Sum of all divisors σ(n): 637282252800
• Sum of proper divisors (its aliquot sum) s(n): 248153132458
• 389129120342 is a deficient number, because the sum of its proper divisors (248153132458) is less than itself. Its deficiency is 140975987884

Bases of 389129120342

• Binary: 101101010011001111001110010101001010110₂
• Hexadecimal: 0x5A99E72A56
• Base-36: 4YRHFIVQ

Squares and roots of 389129120342

• 389129120342 squared (389129120342²) is 151421472298138718196964
• 389129120342 cubed (389129120342³) is 58922504316265240575876029615041688
• The square root of 389129120342 is 623802.1483948255
• The cube root of 389129120342 is 7300.7012545953

Scales and comparisons

• 389,129,120,342 seconds is equal to 12,373 years, 5 weeks, 2 days, 6 hours, 19 minutes, 2 seconds.
• To count from 1 to 389,129,120,342 would take you about twenty-four thousand, seven hundred forty-six 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 389129120342 cubic inches would be around 608.4 feet tall.

Recreational maths with 389129120342

• 389129120342 backwards is 243021921983
• The number of decimal digits it has is: 12
• The sum of 389129120342's digits is 44
• More coming soon!