15420989629633382

Names of 15420989629633382

• Cardinal: 15420989629633382 can be written as Fifteen quadrillion, four hundred twenty trillion, nine hundred eighty-nine billion, six hundred twenty-nine million, six hundred thirty-three thousand, three hundred eighty-two.

Scientific notation

• Scientific notation: 1.5420989629633382 × 10¹⁶

Factors of 15420989629633382

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1198836

Divisors of 15420989629633382

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 409 787 818 1574 20347 40694 321883 643766 1177291 2354582 8321923 16013089 16643846 32026178 481512019 926528017 963024038 1853056034 6549353401 13098706802 23954339977 47908679954 378949958953 757899917906 9797325050593 18852065561899 19594650101186 37704131123798 7710494814816691 15420989629633382
• Sum of all divisors σ(n): 23218665278931840
• Sum of proper divisors (its aliquot sum) s(n): 7797675649298458
• 15420989629633382 is a deficient number, because the sum of its proper divisors (7797675649298458) is less than itself. Its deficiency is 7623313980334924

Bases of 15420989629633382

• Binary: 110110110010010100111011110000111101011001001101100110₂
• Hexadecimal: 0x36C94EF0F59366
• Base-36: 47UA8U3BWBQ

Squares and roots of 15420989629633382

• 15420989629633382 squared (15420989629633382²) is 237806921157260312147791728757924
• 15420989629633382 cubed (15420989629633382³) is 3667218065021154575020826815456719676314347418968
• The square root of 15420989629633382 is 124181277.2910368401
• The cube root of 15420989629633382 is 248907.1745824761

Scales and comparisons

• 15,420,989,629,633,382 seconds is equal to 490,339,769 years, 50 weeks, 2 days, 21 hours, 43 minutes, 2 seconds.
• To count from 1 to 15,420,989,629,633,382 would take you about one billion, four hundred seventy-one million, nineteen thousand, three hundred nine 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 15420989629633382 cubic inches would be around 20742.3 feet tall.

Recreational maths with 15420989629633382

• 15420989629633382 backwards is 28333692698902451
• The number of decimal digits it has is: 17
• The sum of 15420989629633382's digits is 80
• More coming soon!