399131991024451

Names of 399131991024451

• Cardinal: 399131991024451 can be written as Three hundred ninety-nine trillion, one hundred thirty-one billion, nine hundred ninety-one million, twenty-four thousand, four hundred fifty-one.

Scientific notation

• Scientific notation: 3.99131991024451 × 10¹⁴

Factors of 399131991024451

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2072

Divisors of 399131991024451

• Number of divisors d(n): 36
• Complete list of divisors:
  1 17 107 281 1667 1819 4777 28339 30067 78961 178369 468427 511139 1342337 2778889 3032273 7963259 8448827 47241113 50121689 131627987 143630059 297341123 780867809 852068713 2237675779 5054799091 13274752753 14084194609 83552855563 219423854329 239431308353 1420398544571 3730205523593 23478352413203 399131991024451
• Sum of all divisors σ(n): 428340334714344
• Sum of proper divisors (its aliquot sum) s(n): 29208343689893
• 399131991024451 is a deficient number, because the sum of its proper divisors (29208343689893) is less than itself. Its deficiency is 369923647334558

Bases of 399131991024451

• Binary: 1011010110000001000101000100010110010001101000011₂
• Hexadecimal: 0x16B02288B2343
• Base-36: 3XHAPE68N7

Squares and roots of 399131991024451

• 399131991024451 squared (399131991024451²) is 159306346259142433624479851401
• 399131991024451 cubed (399131991024451³) is 63584259165242120957506281073617426237605851
• The square root of 399131991024451 is 19978287.9903271743
• The cube root of 399131991024451 is 73627.2951681589

Scales and comparisons

• 399,131,991,024,451 seconds is equal to 12,691,162 years, 37 weeks, 2 days, 10 hours, 47 minutes, 31 seconds.
• To count from 1 to 399,131,991,024,451 would take you about thirty-one million, seven hundred twenty-seven thousand, nine hundred six 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 399131991024451 cubic inches would be around 6135.6 feet tall.

Recreational maths with 399131991024451

• 399131991024451 backwards is 154420199131993
• The number of decimal digits it has is: 15
• The sum of 399131991024451's digits is 61
• More coming soon!