388145 (number)

388145 is an odd 6-digits composite number following 388144 and preceding 388146. In scientific notation, it is written as 3.88145 × 10^5. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 307840 positive integers (up to 388145) that are relatively prime to 388145.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight thousand one hundred forty-five

Notation

Scientific notation 3.88145 × 10^5
Engineering notation 3.88145 × 10^3

Prime Factorization of 388145

Prime Factorization 5 × 149 × 521

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388145
Product of the distinct prime numbers

The prime factorization of 388145 is 5 × 149 × 521. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 388145)

Multiplication

n×y
n×2 776290
n×3 1164435
n×4 1552580
n×5 1940725

Division

n÷y
n÷2 194072.5
n÷3 129381.66666667
n÷3 97036.25
n÷5 77629

Exponentiation

ny
n2 150656541025
n3 58476583116148625
n4 2.2697393353618E+22
n5 8.8098797432399E+27

Nth Root

y√n
2√n 623.01284095916
3√n 72.945414877359
4√n 24.960225178455
5√n 13.115921213004

Divisors of 388145

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 -388144
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 388145 can be divided by 8 positive divisors. The sum of these divisors (counting 388145) is 1, the average is 0.125.

Base conversion 388145

Base System Value
2 Binary 1011110110000110001
3 Ternary 201201102202
4 Quaternary 1132300301
5 Quinary 44410040
6 Senary 12152545
8 Octal 1366061
10 Decimal 388145
12 Duodecimal 168755
16 Hexadecimal 5ec31
20 Vigesimal 28a75
36 Base36 8bht

Cryptographic Hash Functions

md5 4883803cdcb3a8390108b4d73bf9711e
sha1 baee59920809ce4d4918f418193d76e08b84a612
sha256 29d5c5eb7f3ff03089466ee1614db164f55ef9abb12068ee920ce663c144acd0
sha512 ed72201c2f5d4f985b6165ebd47e24f280e6bd6583aa4561f206487fbb71f39579134cf06d9a12819913e8672a29218da6800a71af6b7efdf70b6f90edd4d74a
ripemd-160 dcd3d8427875a70eab7525486c29f435502ed242

388145 as geometric shapes

Circle

Radius = n
Diameter 776290
Circumference 2438786.9610552
Area 473301482499.39

Sphere

Radius = n
Volume 2.449461385663E+17
Surface area 1893205929997.6
Circumference 2438786.9610552

Square

Length = n
Perimeter 1552580
Area 150656541025
Diagonal 548919.92316731

Cube

Length = n
Surface area 903939246150
Volume 58476583116148625
Space diagonal 672286.86070382

Equilateral Triangle

Length = n
Perimeter 1164435
Area 65236195886.971
Altitude 336143.43035191

Triangular Pyramid

Length = n
Surface area 65236195886.971
Volume 6.8915314103412E+15
Height 182973.30772244