2644 (number)

2644 is an even 4-digits composite number following 2643 and preceding 2645. In scientific notation, it is written as 2.644 × 10^3. The sum of its digits is 16. It has a total of 3 prime factors and 6 positive divisors. There are 1320 positive integers (up to 2644) that are relatively prime to 2644.

Interesting facts

Basic properties

Name

Name two thousand six hundred forty-four

Notation

Scientific notation 2.644 × 10^3
Engineering notation 2.644 × 10^3

Prime Factorization of 2644

Prime Factorization 2 × 2 × 661

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1322
Product of the distinct prime numbers

The prime factorization of 2644 is 2 × 2 × 661. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2644)

Multiplication

n×y
n×2 5288
n×3 7932
n×4 10576
n×5 13220

Division

n÷y
n÷2 1322
n÷3 881.33333333333
n÷3 661
n÷5 528.8

Exponentiation

ny
n2 6990736
n3 18483505984
n4 48870389821696
n5 129213310688564224

Nth Root

y√n
2√n 51.41984052873
3√n 13.827823163105
4√n 7.1707628972606
5√n 4.8356213920097

Divisors of 2644

1, 2, 4, 661, 1322, 2644

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2643
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2644 can be divided by 6 positive divisors. The sum of these divisors (counting 2644) is 1, the average is 0.16666666666667.

Base conversion 2644

Base System Value
2 Binary 101001010100
3 Ternary 10121221
4 Quaternary 221110
5 Quinary 41034
6 Senary 20124
8 Octal 5124
10 Decimal 2644
12 Duodecimal 1644
16 Hexadecimal a54
20 Vigesimal 6c4
36 Base36 21g

Cryptographic Hash Functions

md5 f35a2bc72dfdc2aae569a0c7370bd7f5
sha1 5d17fd19490538517917e53daa91d76ca198a330
sha256 70c766cb85e3b1d3d9c6a7daecd1c311a24725c1c49b4ee4341cacdb2cc2e2f5
sha512 74fa79e11bd26d50b6460306f7646167dab52441a292fec45d059c96bdc10ab2007690760e694633373e742548a6373a40c2c291715e70019ec40c8bc22df812
ripemd-160 b570fb2523ecf04a5a26bf6c13167c7778ce845c

2644 as geometric shapes

Circle

Radius = n
Diameter 5288
Circumference 16612.741952183
Area 21962044.860786

Sphere

Radius = n
Volume 77423528815.89
Surface area 87848179.443143
Circumference 16612.741952183

Square

Length = n
Perimeter 10576
Area 6990736
Diagonal 3739.1806589145

Cube

Length = n
Surface area 41944416
Volume 18483505984
Space diagonal 4579.5423352121

Equilateral Triangle

Length = n
Perimeter 7932
Area 3027077.4835752
Altitude 2289.7711676061

Triangular Pyramid

Length = n
Surface area 3027077.4835752
Volume 2178302070.2314
Height 1246.3935529715