321 (number)

321 is an odd 3-digits composite number following 320 and preceding 322. In scientific notation, it is written as 3.21 × 10^2. The sum of its digits is 6. It has a total of 2 prime factors and 4 positive divisors. There are 212 positive integers (up to 321) that are relatively prime to 321.

Interesting facts

Basic properties

Name

Name three hundred twenty-one

Notation

Scientific notation 3.21 × 10^2
Engineering notation 3.21 × 10^0

Prime Factorization of 321

Prime Factorization 3 × 107

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 321
Product of the distinct prime numbers

The prime factorization of 321 is 3 × 107. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 321)

Multiplication

n×y
n×2 642
n×3 963
n×4 1284
n×5 1605

Division

n÷y
n÷2 160.5
n÷3 107
n÷3 80.25
n÷5 64.2

Exponentiation

ny
n2 103041
n3 33076161
n4 10617447681
n5 3408200705601

Nth Root

y√n
2√n 17.916472867169
3√n 6.8470212775722
4√n 4.2327854737949
5√n 3.1717650296503

Divisors of 321

1, 3, 107, 321

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 -320
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 321 can be divided by 4 positive divisors. The sum of these divisors (counting 321) is 1, the average is 0.25.

Base conversion 321

Base System Value
2 Binary 101000001
3 Ternary 102220
4 Quaternary 11001
5 Quinary 2241
6 Senary 1253
8 Octal 501
10 Decimal 321
12 Duodecimal 229
16 Hexadecimal 141
20 Vigesimal g1
36 Base36 8x

Cryptographic Hash Functions

md5 caf1a3dfb505ffed0d024130f58c5cfa
sha1 5f6955d227a320c7f1f6c7da2a6d96a851a8118f
sha256 8d23cf6c86e834a7aa6eded54c26ce2bb2e74903538c61bdd5d2197997ab2f72
sha512 3043aa4a83b0934982956a90828140cb834869135b5f294938865de12e036de440a330e1e8529bec15ddd59f18d1161a97bfec110d2622680f2c714a737d7061
ripemd-160 a78c2f678959422a7974de4baeef46c3ef38d73a

321 as geometric shapes

Circle

Radius = n
Diameter 642
Circumference 2016.9024836046
Area 323712.84861855

Sphere

Radius = n
Volume 138549099.20874
Surface area 1294851.3944742
Circumference 2016.9024836046

Square

Length = n
Perimeter 1284
Area 103041
Diagonal 453.96255352176

Cube

Length = n
Surface area 618246
Volume 33076161
Space diagonal 555.98830922961

Equilateral Triangle

Length = n
Perimeter 963
Area 44618.061815676
Altitude 277.9941546148

Triangular Pyramid

Length = n
Surface area 44618.061815676
Volume 3898062.956453
Height 151.32085117392