385406765812636129

Names of 385406765812636129

• Cardinal: 385406765812636129 can be written as Three hundred eighty-five quadrillion, four hundred six trillion, seven hundred sixty-five billion, eight hundred twelve million, six hundred thirty-six thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 3.85406765812636129 × 10¹⁷

Factors of 385406765812636129

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1420663

Divisors of 385406765812636129

• Number of divisors d(n): 27
• Complete list of divisors:
  1 19 23 361 437 529 8303 10051 190969 1420621 26991799 32674283 512844181 620811377 751508509 11795416163 14278661671 271294571749 2018164025641 38345116487179 46417772589743 728557213256401 881937679205117 1067608769564089 16756815904897223 20284566621717691 385406765812636129
• Sum of all divisors σ(n): 425213332369490259
• Sum of proper divisors (its aliquot sum) s(n): 39806566556854130
• 385406765812636129 is a deficient number, because the sum of its proper divisors (39806566556854130) is less than itself. Its deficiency is 345600199255781999

Bases of 385406765812636129

• Binary: 10101011001001111010110100101011010010010110101100111100001₂
• Hexadecimal: 0x5593D695A4B59E1
• Base-36: 2XEVANYP1A01

Squares and roots of 385406765812636129

• 385406765812636129 squared (385406765812636129²) is 148538375134156148860402848156104641
• 385406765812636129 cubed (385406765812636129³) is 57247694759519212514116806796096036595448028181174689
• 385406765812636129 is a perfect square number. Its square root is 620811377
• The cube root of 385406765812636129 is 727734.7468141753

Scales and comparisons

• 385,406,765,812,636,129 seconds is equal to 12,254,743,011 years, 22 weeks, 6 days, 18 hours, 28 minutes, 49 seconds.
• To count from 1 to 385,406,765,812,636,129 would take you about thirty-six billion, seven hundred sixty-four million, two hundred twenty-nine thousand and thirty-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 385406765812636129 cubic inches would be around 60644.6 feet tall.

Recreational maths with 385406765812636129

• 385406765812636129 backwards is 921636218567604583
• The number of decimal digits it has is: 18
• The sum of 385406765812636129's digits is 82
• More coming soon!