199905 (number)

199905 is an odd 6-digits composite number following 199904 and preceding 199906. In scientific notation, it is written as 1.99905 × 10^5. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 106608 positive integers (up to 199905) that are relatively prime to 199905.

Interesting facts

Basic properties

Name

Name one hundred ninety-nine thousand nine hundred five

Notation

Scientific notation 1.99905 × 10^5
Engineering notation 1.99905 × 10^3

Prime Factorization of 199905

Prime Factorization 15 × 13327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 199905
Product of the distinct prime numbers

The prime factorization of 199905 is 15 × 13327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 199905)

Multiplication

n×y
n×2 399810
n×3 599715
n×4 799620
n×5 999525

Division

n÷y
n÷2 99952.5
n÷3 66635
n÷3 49976.25
n÷5 39981

Exponentiation

ny
n2 39962009025
n3 7988605414142625
n4 1.5969621653142E+21
n5 3.1924072165713E+26

Nth Root

y√n
2√n 447.10736965521
3√n 58.471093908296
4√n 21.144913564619
5√n 11.485892079134

Divisors of 199905

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -199904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 199905 can be divided by 4 positive divisors. The sum of these divisors (counting 199905) is 1, the average is 0.25.

Base conversion 199905

Base System Value
2 Binary 110000110011100001
3 Ternary 101011012220
4 Quaternary 300303201
5 Quinary 22344110
6 Senary 4141253
8 Octal 606341
10 Decimal 199905
12 Duodecimal 97829
16 Hexadecimal 30ce1
20 Vigesimal 14jf5
36 Base36 4a8x

Cryptographic Hash Functions

md5 7b8a578928d524b9609c19e1183daace
sha1 33da366aea6335d09229571c1aafb03b50720d1d
sha256 4cdcd6f4dec364303f58c1e4650c28db71ad6fc23be1f94193b78352ae1c4090
sha512 19ff76809f6bc536631732a107bce7fe4cba1bfe42d5232fc7617ee608f1f2f96230a55b0b87f9f8c959632ae3d96666adf0de7432d775cb4f6c6337acf53c12
ripemd-160 5aa90ad6ffe5976fc21cf8c3ec11bfc3ce964ffb

199905 as geometric shapes

Circle

Radius = n
Diameter 399810
Circumference 1256040.1588317
Area 125544353975.63

Sphere

Radius = n
Volume 3.3462592108664E+16
Surface area 502177415902.52
Circumference 1256040.1588317

Square

Length = n
Perimeter 799620
Area 39962009025
Diagonal 282708.36218619

Cube

Length = n
Surface area 239772054150
Volume 7988605414142625
Space diagonal 346245.61668706

Equilateral Triangle

Length = n
Perimeter 599715
Area 17304057500.957
Altitude 173122.80834353

Triangular Pyramid

Length = n
Surface area 17304057500.957
Volume 9.4146617676064E+14
Height 94236.120728731