16389253781478

Names of 16389253781478

• Cardinal: 16389253781478 can be written as Sixteen trillion, three hundred eighty-nine billion, two hundred fifty-three million, seven hundred eighty-one thousand, four hundred seventy-eight.

Scientific notation

• Scientific notation: 1.6389253781478 × 10¹³

Factors of 16389253781478

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 616834

Divisors of 16389253781478

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 149 162 298 447 894 1103 1341 2206 2682 3309 4023 6618 8046 9927 12069 19854 24138 29781 59562 89343 164347 178686 328694 493041 615577 986082 1231154 1479123 1846731 2958246 3693462 4437369 5540193 8874738 11080386 13312107 16620579 26624214 33241158 49861737 91720973 99723474 183441946 275162919 550325838 678981431 825488757 1357962862 1650977514 2036944293 2476466271 4073888586 4952932542 6110832879 7429398813 12221665758 14858797626 18332498637 36664997274 54997495911 101168233219 109994991822 202336466438 303504699657 607009399314 910514098971 1821028197942 2731542296913 5463084593826 8194626890739 16389253781478
• Sum of all divisors σ(n): 37004117198400
• Sum of proper divisors (its aliquot sum) s(n): 20614863416922
• 16389253781478 is an abundant number, because the sum of its proper divisors (20614863416922) is greater than itself. Its abundance is 4225609635444

Bases of 16389253781478

• Binary: 11101110011111101011101001100101011111100110₂
• Hexadecimal: 0xEE7EBA657E6
• Base-36: 5T54AJKDI

Squares and roots of 16389253781478

• 16389253781478 squared (16389253781478²) is 268607639513690922575864484
• 16389253781478 cubed (16389253781478³) is 4402278771633638405779409514731877227352
• The square root of 16389253781478 is 4048364.3340833345
• The cube root of 16389253781478 is 25401.1313389681

Scales and comparisons

• 16,389,253,781,478 seconds is equal to 521,127 years, 29 weeks, 6 days, 6 hours, 51 minutes, 18 seconds.
• To count from 1 to 16,389,253,781,478 would take you about one million, three hundred two thousand, eight hundred eighteen 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 16389253781478 cubic inches would be around 2116.8 feet tall.

Recreational maths with 16389253781478

• 16389253781478 backwards is 87418735298361
• The number of decimal digits it has is: 14
• The sum of 16389253781478's digits is 72
• More coming soon!