389861396816139264

Names of 389861396816139264

• Cardinal: 389861396816139264 can be written as Three hundred eighty-nine quadrillion, eight hundred sixty-one trillion, three hundred ninety-six billion, eight hundred sixteen million, one hundred thirty-nine thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 3.89861396816139264 × 10¹⁷

Factors of 389861396816139264

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 126908006776092

Divisors of 389861396816139264

• Number of divisors d(n): 44
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 3072 126908006776087 253816013552174 380724020328261 507632027104348 761448040656522 1015264054208696 1522896081313044 2030528108417392 3045792162626088 4061056216834784 6091584325252176 8122112433669568 12183168650504352 16244224867339136 24366337301008704 32488449734678272 48732674602017408 64976899469356544 97465349204034816 129953798938713088 194930698408069632 389861396816139264
• Sum of all divisors σ(n): 1039122759482608544
• Sum of proper divisors (its aliquot sum) s(n): 649261362666469280
• 389861396816139264 is an abundant number, because the sum of its proper divisors (649261362666469280) is greater than itself. Its abundance is 259399965850330016

Bases of 389861396816139264

• Binary: 10101101001000100001101111111110100110111010001010000000000₂
• Hexadecimal: 0x56910DFF4DD1400
• Base-36: 2YMQBX71CUTC

Squares and roots of 389861396816139264

• 389861396816139264 squared (389861396816139264²) is 151991908727431202252988386242461696
• 389861396816139264 cubed (389861396816139264³) is 59255777841227476527069275449662394627558030121631744
• The square root of 389861396816139264 is 624388818.6187667983
• The cube root of 389861396816139264 is 730527.7954619903

Scales and comparisons

• 389,861,396,816,139,264 seconds is equal to 12,396,386,498 years, 14 weeks, 1 day, 23 hours, 34 minutes, 24 seconds.
• To count from 1 to 389,861,396,816,139,264 would take you about thirty-seven billion, one hundred eighty-nine million, one hundred fifty-nine thousand, four hundred ninety-four 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 389861396816139264 cubic inches would be around 60877.3 feet tall.

Recreational maths with 389861396816139264

• 389861396816139264 backwards is 462931618693168983
• The number of decimal digits it has is: 18
• The sum of 389861396816139264's digits is 93
• More coming soon!