664 (number)

664 is an even 3-digits composite number following 663 and preceding 665. In scientific notation, it is written as 6.64 × 10^2. The sum of its digits is 16. It has a total of 4 prime factors and 8 positive divisors. There are 328 positive integers (up to 664) that are relatively prime to 664.

Interesting facts

Basic properties

Name

Name six hundred sixty-four

Notation

Scientific notation 6.64 × 10^2
Engineering notation 6.64 × 10^0

Prime Factorization of 664

Prime Factorization 2 × 2 × 2 × 83

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 166
Product of the distinct prime numbers

The prime factorization of 664 is 2 × 2 × 2 × 83. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 664)

Multiplication

n×y
n×2 1328
n×3 1992
n×4 2656
n×5 3320

Division

n÷y
n÷2 332
n÷3 221.33333333333
n÷3 166
n÷5 132.8

Exponentiation

ny
n2 440896
n3 292754944
n4 194389282816
n5 129074483789824

Nth Root

y√n
2√n 25.76819745345
3√n 8.7241413429097
4√n 5.0762385142397
5√n 3.6680362235168

Divisors of 664

1, 2, 4, 8, 83, 166, 332, 664

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 664 can be divided by 8 positive divisors. The sum of these divisors (counting 664) is 1, the average is 0.125.

Base conversion 664

Base System Value
2 Binary 1010011000
3 Ternary 220121
4 Quaternary 22120
5 Quinary 10124
6 Senary 3024
8 Octal 1230
10 Decimal 664
12 Duodecimal 474
16 Hexadecimal 298
20 Vigesimal 1d4
36 Base36 ig

Cryptographic Hash Functions

md5 2291d2ec3b3048d1a6f86c2c4591b7e0
sha1 88547be1130859cf095ec35f890a1a53eafa9ac2
sha256 09eac95eb995b821f45353054da3c7eec5f5171fb061de72f1890679956b12a8
sha512 f7fe31aa4249aa7cf1b8e62889322899df5a6ff6a39170cc82fa321434fa186072b8d9017c1da65854b02157fe3852dfdb2e83d00ffff6e3ffb4a8caef2cc198
ripemd-160 cbe2f66b639d590acd8de9b1fdf2dbbb1b6fa554

664 as geometric shapes

Circle

Radius = n
Diameter 1328
Circumference 4172.0350439672
Area 1385115.6345971

Sphere

Radius = n
Volume 1226289041.83
Surface area 5540462.5383885
Circumference 4172.0350439672

Square

Length = n
Perimeter 2656
Area 440896
Diagonal 939.03780541574

Cube

Length = n
Surface area 2645376
Volume 292754944
Space diagonal 1150.0817362257

Equilateral Triangle

Length = n
Perimeter 1992
Area 190913.56821347
Altitude 575.04086811287

Triangular Pyramid

Length = n
Surface area 190913.56821347
Volume 34501501.021381
Height 313.01260180525