389921221294929

Names of 389921221294929

• Cardinal: 389921221294929 can be written as Three hundred eighty-nine trillion, nine hundred twenty-one billion, two hundred twenty-one million, two hundred ninety-four thousand, nine hundred twenty-nine.

Scientific notation

• Scientific notation: 3.89921221294929 × 10¹⁴

Factors of 389921221294929

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 9032

Divisors of 389921221294929

• Number of divisors d(n): 45
• Complete list of divisors:
  1 3 9 27 81 243 729 2187 6561 9029 19683 27087 59049 81261 177147 243783 531441 731349 1594323 2194047 4782969 6582141 19746423 59239269 81522841 177717807 244568523 533153421 733705569 1599460263 2201116707 4798380789 6603350121 14395142367 19810050363 43185427101 59430151089 178290453267 534871359801 1604614079403 4813842238209 14441526714627 43324580143881 129973740431643 389921221294929
• Sum of all divisors σ(n): 584946576491563
• Sum of proper divisors (its aliquot sum) s(n): 195025355196634
• 389921221294929 is a deficient number, because the sum of its proper divisors (195025355196634) is less than itself. Its deficiency is 194895866098295

Bases of 389921221294929

• Binary: 1011000101010000110011011111000101011101101010001₂
• Hexadecimal: 0x162A19BE2BB51
• Base-36: 3U7RC3OW29

Squares and roots of 389921221294929

• 389921221294929 squared (389921221294929²) is 152038558816128992663601115041
• 389921221294929 cubed (389921221294929³) is 59283060537505911425973496711031398318927089
• 389921221294929 is a perfect square number. Its square root is 19746423
• The cube root of 389921221294929 is 73056.5160202137

Scales and comparisons

• 389,921,221,294,929 seconds is equal to 12,398,288 years, 38 weeks, 7 hours, 42 minutes, 9 seconds.
• To count from 1 to 389,921,221,294,929 would take you about thirty million, nine hundred ninety-five thousand, seven hundred twenty-one 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 389921221294929 cubic inches would be around 6088 feet tall.

Recreational maths with 389921221294929

• 389921221294929 backwards is 929492122129983
• The number of decimal digits it has is: 15
• The sum of 389921221294929's digits is 72
• More coming soon!