388940 (number)

388940 is an even 6-digits composite number following 388939 and preceding 388941. In scientific notation, it is written as 3.88940 × 10^5. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 155568 positive integers (up to 388940) that are relatively prime to 388940.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight thousand nine hundred forty

Notation

Scientific notation 3.88940 × 10^5
Engineering notation 3.88940 × 10^3

Prime Factorization of 388940

Prime Factorization 2 × 2 × 5 × 19447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 194470
Product of the distinct prime numbers

The prime factorization of 388940 is 2 × 2 × 5 × 19447. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 388940)

Multiplication

n×y
n×2 777880
n×3 1166820
n×4 1555760
n×5 1944700

Division

n÷y
n÷2 194470
n÷3 129646.66666667
n÷3 97235
n÷5 77788

Exponentiation

ny
n2 151274323600
n3 58836635420984000
n4 2.2883920980638E+22
n5 8.9004722262092E+27

Nth Root

y√n
2√n 623.65054317302
3√n 72.995183268851
4√n 24.972996279442
5√n 13.121289632059

Divisors of 388940

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388940 can be divided by 12 positive divisors. The sum of these divisors (counting 388940) is 1, the average is 0.083333333333333.

Base conversion 388940

Base System Value
2 Binary 1011110111101001100
3 Ternary 201202112012
4 Quaternary 1132331030
5 Quinary 44421230
6 Senary 12200352
8 Octal 1367514
10 Decimal 388940
12 Duodecimal 1690b8
16 Hexadecimal 5ef4c
20 Vigesimal 28c70
36 Base36 8c3w

Cryptographic Hash Functions

md5 aa4e19957a7170646f3b04869c2e936f
sha1 a72f27939326462e3e5a28fb470899ad4b42bba7
sha256 965d55f1ba36c5c45f563e60b6c173bf0094467f3bc81e86e2e46038a54ba46e
sha512 7cc0eb7576014e96de9d97b92e853a060707d35782ba7008ae35c257c8233588ad9d319b5de050da5484b3e317c5384051dafc069b54971717f0873e4309b8c5
ripemd-160 e25a1832759509d5823652c448f2a5aef01694a4

388940 as geometric shapes

Circle

Radius = n
Diameter 777880
Circumference 2443782.0933744
Area 475242303698.53

Sphere

Radius = n
Volume 2.4645432213401E+17
Surface area 1900969214794.1
Circumference 2443782.0933744

Square

Length = n
Perimeter 1555760
Area 151274323600
Diagonal 550044.22294939

Cube

Length = n
Surface area 907645941600
Volume 58836635420984000
Space diagonal 673663.84109584

Equilateral Triangle

Length = n
Perimeter 1166820
Area 65503703588.954
Altitude 336831.92054792

Triangular Pyramid

Length = n
Surface area 65503703588.954
Volume 6.9339639813964E+15
Height 183348.07431646