644328393 (number)

644328393 is an odd 9-digits composite number following 644328392 and preceding 644328394. In scientific notation, it is written as 6.44328393 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 429476784 positive integers (up to 644328393) that are relatively prime to 644328393.

Interesting facts

Basic properties

Name

Name six hundred forty-four million three hundred twenty-eight thousand three hundred ninety-three

Notation

Scientific notation 6.44328393 × 10^8
Engineering notation 6.44328393 × 10^6

Prime Factorization of 644328393

Prime Factorization 3 × 6983 × 30757

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 644328393
Product of the distinct prime numbers

The prime factorization of 644328393 is 3 × 6983 × 30757. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 644328393)

Multiplication

n×y
n×2 1288656786
n×3 1932985179
n×4 2577313572
n×5 3221641965

Division

n÷y
n÷2 322164196.5
n÷3 214776131
n÷3 161082098.25
n÷5 128865678.6

Exponentiation

ny
n2 415159078025962449
n3 2.6749878158383E+26
n4 1.7235706006737E+35
n5 1.1105454753541E+44

Nth Root

y√n
2√n 25383.624504787
3√n 863.71227103581
4√n 159.32239172441
5√n 57.785843077531

Divisors of 644328393

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 -644328392
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 644328393 can be divided by 8 positive divisors. The sum of these divisors (counting 644328393) is 1, the average is 0.125.

Base conversion 644328393

Base System Value
2 Binary 100110011001111010101111001001
3 Ternary 1122220102021101120
4 Quaternary 212121322233021
5 Quinary 2304422002033
6 Senary 143534105453
8 Octal 4631725711
10 Decimal 644328393
12 Duodecimal 15b94b289
16 Hexadecimal 2667abc9
20 Vigesimal a1710jd
36 Base36 anm6yx

Cryptographic Hash Functions

md5 151c4cd4af74b8417f676644a36c32bf
sha1 a1af9fe83cacf6ed068fcfbc4b19cb9f3d12c875
sha256 2c4125ce310afeb11885d46cdcd165aa965b4478ee26cd289eb0b6b28e61bdc6
sha512 e41508eae0f1833140ee4e01fea9cb54b0225a01237b83b4a426387f5e29a0d12e6d0a90ca96bd518cba8bd7cff72127460793d3ce93c850d052a5f4271ab81d
ripemd-160 bfbdbe46e622b0ed0c7aa22c130fbdc3a6105ae0

644328393 as geometric shapes

Circle

Radius = n
Diameter 1288656786
Circumference 4048434691.8962
Area 1.3042607095975E+18

Sphere

Radius = n
Volume 1.1204962760906E+27
Surface area 5.2170428383899E+18
Circumference 4048434691.8962

Square

Length = n
Perimeter 2577313572
Area 415159078025962449
Diagonal 911217952.00266

Cube

Length = n
Surface area 2490954468155774694
Volume 2.6749878158383E+26
Space diagonal 1116009513.4352

Equilateral Triangle

Length = n
Perimeter 1932985179
Area 1.797691540911E+17
Altitude 558004756.7176

Triangular Pyramid

Length = n
Surface area 1.797691540911E+17
Volume 3.1525033736178E+25
Height 303739317.33422