408 (number)

408 is an even 3-digits composite number following 407 and preceding 409. In scientific notation, it is written as 4.08 × 10^2. The sum of its digits is 12. It has a total of 5 prime factors and 16 positive divisors. There are 128 positive integers (up to 408) that are relatively prime to 408.

Interesting facts

Basic properties

Name

Name four hundred eight

Notation

Scientific notation 4.08 × 10^2
Engineering notation 4.08 × 10^0

Prime Factorization of 408

Prime Factorization 2 × 2 × 2 × 3 × 17

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 102
Product of the distinct prime numbers

The prime factorization of 408 is 2 × 2 × 2 × 3 × 17. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 408)

Multiplication

n×y
n×2 816
n×3 1224
n×4 1632
n×5 2040

Division

n÷y
n÷2 204
n÷3 136
n÷3 102
n÷5 81.6

Exponentiation

ny
n2 166464
n3 67917312
n4 27710263296
n5 11305787424768

Nth Root

y√n
2√n 20.199009876724
3√n 7.4168595385324
4√n 4.4943308597303
5√n 3.3276070260792

Divisors of 408

1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -407
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 408 can be divided by 16 positive divisors. The sum of these divisors (counting 408) is 1, the average is 0.0625.

Base conversion 408

Base System Value
2 Binary 110011000
3 Ternary 120010
4 Quaternary 12120
5 Quinary 3113
6 Senary 1520
8 Octal 630
10 Decimal 408
12 Duodecimal 2a0
16 Hexadecimal 198
20 Vigesimal 108
36 Base36 bc

Cryptographic Hash Functions

md5 0d0fd7c6e093f7b804fa0150b875b868
sha1 beba4d5d3ffb8fac7fe5ce87ac1eb2f75c4cd1a2
sha256 e6f47e008cc58b38596e6fdf2f50a0fea93fd10543e652522aeab3aa71355719
sha512 a4d9dc124962cf6e5d99068d6de00959675bf8bb330e96501ba303eda15f4c0d9870ef55743adf0cc10fd3a8ed61705b1c8bc59d93b637a3643f368055a9f176
ripemd-160 e9b835b86efdc73395f13c8cd3bbe6edc54ea184

408 as geometric shapes

Circle

Radius = n
Diameter 816
Circumference 2563.5396053293
Area 522962.07948717

Sphere

Radius = n
Volume 284491371.24102
Surface area 2091848.3179487
Circumference 2563.5396053293

Square

Length = n
Perimeter 1632
Area 166464
Diagonal 576.99913344822

Cube

Length = n
Surface area 998784
Volume 67917312
Space diagonal 706.6767294881

Equilateral Triangle

Length = n
Perimeter 1224
Area 72081.026407786
Altitude 353.33836474405

Triangular Pyramid

Length = n
Surface area 72081.026407786
Volume 8004131.9791937
Height 192.33304448274