399513984370

Names of 399513984370

• Cardinal: 399513984370 can be written as Three hundred ninety-nine billion, five hundred thirteen million, nine hundred eighty-four thousand, three hundred seventy.

Scientific notation

• Scientific notation: 3.9951398437 × 10¹¹

Factors of 399513984370

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 168818

Divisors of 399513984370

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 5 10 17 34 85 170 289 578 823 1445 1646 2890 4115 8230 13991 27982 69955 139910 167971 237847 335942 475694 839855 1189235 1679710 2378470 2855507 5711014 14277535 28555070 48543619 97087238 138240133 242718095 276480266 485436190 691200665 1382401330 2350082261 4700164522 11750411305 23500822610 39951398437 79902796874 199756992185 399513984370
• Sum of all divisors σ(n): 764847736128
• Sum of proper divisors (its aliquot sum) s(n): 365333751758
• 399513984370 is a deficient number, because the sum of its proper divisors (365333751758) is less than itself. Its deficiency is 34180232612

Bases of 399513984370

• Binary: 101110100000100111000111001110101110010₂
• Hexadecimal: 0x5D04E39D72
• Base-36: 53J8B78Y

Squares and roots of 399513984370

• 399513984370 squared (399513984370²) is 159611423707192604296900
• 399513984370 cubed (399513984370³) is 63766995836228793569651301439453000
• The square root of 399513984370 is 632071.1861570657
• The cube root of 399513984370 is 7365.0776263571

Scales and comparisons

• 399,513,984,370 seconds is equal to 12,703 years, 16 weeks, 10 hours, 46 minutes, 10 seconds.
• To count from 1 to 399,513,984,370 would take you about twenty-five thousand, four 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 399513984370 cubic inches would be around 613.8 feet tall.

Recreational maths with 399513984370

• 399513984370 backwards is 073489315993
• The number of decimal digits it has is: 12
• The sum of 399513984370's digits is 61
• More coming soon!