389385134683866

Names of 389385134683866

• Cardinal: 389385134683866 can be written as Three hundred eighty-nine trillion, three hundred eighty-five billion, one hundred thirty-four million, six hundred eighty-three thousand, eight hundred sixty-six.

Scientific notation

• Scientific notation: 3.89385134683866 × 10¹⁴

Factors of 389385134683866

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2163506

Divisors of 389385134683866

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 18 27 43 54 81 86 129 162 243 258 387 486 774 1161 2322 3483 6966 8647 10449 17294 20898 25941 51882 77823 155646 233469 371821 466938 700407 743642 1115463 1400814 2101221 2154811 2230926 3346389 4202442 4309622 6464433 6692778 10039167 12928866 19393299 20078334 30117501 38786598 58179897 60235002 90352503 92656873 116359794 174539691 180705006 185313746 277970619 349079382 523619073 555941238 833911857 1047238146 1667823714 2501735571 5003471142 7505206713 15010413426 18632650717 22515620139 37265301434 45031240278 55897952151 111795904302 167693856453 335387712906 503081569359 801203980831 1006163138718 1509244708077 1602407961662 2403611942493 3018489416154 4527734124231 4807223884986 7210835827479 9055468248462 14421671654958 21632507482437 43265014964874 64897522447311 129795044894622 194692567341933 389385134683866
• Sum of all divisors σ(n): 895365551528448
• Sum of proper divisors (its aliquot sum) s(n): 505980416844582
• 389385134683866 is an abundant number, because the sum of its proper divisors (505980416844582) is greater than itself. Its abundance is 116595282160716

Bases of 389385134683866

• Binary: 1011000100010010011001010101000100011011011011010₂
• Hexadecimal: 0x16224CAA236DA
• Base-36: 3U0X27KBMI

Squares and roots of 389385134683866

• 389385134683866 squared (389385134683866²) is 151620783112772464563760705956
• 389385134683866 cubed (389385134683866³) is 59038879053240141689869468283972437043305896
• The square root of 389385134683866 is 19732844.0596855171
• The cube root of 389385134683866 is 73023.0198674195

Scales and comparisons

• 389,385,134,683,866 seconds is equal to 12,381,242 years, 43 weeks, 3 days, 4 hours, 11 minutes, 6 seconds.
• To count from 1 to 389,385,134,683,866 would take you about thirty million, nine hundred fifty-three thousand, one hundred seven 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 389385134683866 cubic inches would be around 6085.3 feet tall.

Recreational maths with 389385134683866

• 389385134683866 backwards is 668386431583983
• 389385134683866 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 389385134683866's digits is 81
• More coming soon!