385428367182861261

Names of 385428367182861261

• Cardinal: 385428367182861261 can be written as Three hundred eighty-five quadrillion, four hundred twenty-eight trillion, three hundred sixty-seven billion, one hundred eighty-two million, eight hundred sixty-one thousand, two hundred sixty-one.

Scientific notation

• Scientific notation: 3.85428367182861261 × 10¹⁷

Factors of 385428367182861261

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 141802538

Divisors of 385428367182861261

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 9 21 27 49 63 147 189 441 1323 2085131 6255393 14595917 18766179 43787751 56298537 102171419 131363253 139717397 306514257 394089759 419152191 919542771 978021779 1257456573 2758628313 2934065337 3772369719 6846152453 8802196011 20538457359 26406588033 61615372077 184846116231 291329075724007 873987227172021 2039303530068049 2621961681516063 6117910590204147 7865885044548189 14275124710476343 18353731770612441 42825374131429029 55061195311837323 128476122394287087 385428367182861261
• Sum of all divisors σ(n): 664230615960502080
• Sum of proper divisors (its aliquot sum) s(n): 278802248777640819
• 385428367182861261 is a deficient number, because the sum of its proper divisors (278802248777640819) is less than itself. Its deficiency is 106626118405220442

Bases of 385428367182861261

• Binary: 10101011001010100010000111011010000010010110001001111001101₂
• Hexadecimal: 0x559510ED04B13CD
• Base-36: 2XF2YBHV4X59

Squares and roots of 385428367182861261

• 385428367182861261 squared (385428367182861261²) is 148555026229246523463019814774510121
• 385428367182861261 cubed (385428367182861261³) is 57257321196345614602947006457495799359655758383322581
• The square root of 385428367182861261 is 620828774.4482058565
• The cube root of 385428367182861261 is 727748.3426436565

Scales and comparisons

• 385,428,367,182,861,261 seconds is equal to 12,255,429,868 years, 10 weeks, 1 day, 20 hours, 34 minutes, 21 seconds.
• To count from 1 to 385,428,367,182,861,261 would take you about thirty-six billion, seven hundred sixty-six million, two hundred eighty-nine thousand, six hundred 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 385428367182861261 cubic inches would be around 60645.7 feet tall.

Recreational maths with 385428367182861261

• 385428367182861261 backwards is 162168281763824583
• The number of decimal digits it has is: 18
• The sum of 385428367182861261's digits is 81
• More coming soon!