388431389 (number)

388431389 is an odd 9-digits prime number following 388431388 and preceding 388431390. In scientific notation, it is written as 3.88431389 × 10^8. The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors. There are 388431388 positive integers (up to 388431389) that are relatively prime to 388431389.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million four hundred thirty-one thousand three hundred eighty-nine

Notation

Scientific notation 3.88431389 × 10^8
Engineering notation 3.88431389 × 10^6

Prime Factorization of 388431389

Prime Factorization 388431389

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 388431389
Product of the distinct prime numbers

The prime factorization of 388431389 is 388431389. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 388431389)

Multiplication

n×y
n×2 776862778
n×3 1165294167
n×4 1553725556
n×5 1942156945

Division

n÷y
n÷2 194215694.5
n÷3 129477129.66667
n÷3 97107847.25
n÷5 77686277.8

Exponentiation

ny
n2 150878943960469321
n3 5.8606117773418E+25
n4 2.2764455730626E+34
n5 8.8424291592762E+42

Nth Root

y√n
2√n 19708.662790763
3√n 729.63351154189
4√n 140.3875449987
5√n 52.223125888027

Divisors of 388431389

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 388431390
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 194215695
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 19708.662816132
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999948511
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388431389 can be divided by 2 positive divisors. The sum of these divisors (counting 388431389) is 388431390, the average is 194215695.

Base conversion 388431389

Base System Value
2 Binary 10111001001101111111000011101
3 Ternary 1000001220100200202
4 Quaternary 113021233320131
5 Quinary 1243414301024
6 Senary 102313233245
8 Octal 2711577035
10 Decimal 388431389
12 Duodecimal aa102825
16 Hexadecimal 1726fe1d
20 Vigesimal 617di99
36 Base36 6f9fkt

Cryptographic Hash Functions

md5 ff9f4f97ab6b274b35a86119d1902372
sha1 74e36cc6088f32ef220c03d52f8c35a0ded299de
sha256 f95088300ff6af454f83446b28053b7342fe2453e7f599b86b1413d94dff455b
sha512 48826bbbdcfe07bb6fdfe9d1e1f2c360b35214f9d5a00cda6a2fea5ab036b5ae34fb7942c7a4f7bf334e3092e615cbd8b287d02c98f9c843f0aa7014d8c58edb
ripemd-160 7664c6f89ce116acab817cf355e6752773a2638e

388431389 as geometric shapes

Circle

Radius = n
Diameter 776862778
Circumference 2440586396.2122
Area 4.740001819276E+17

Sphere

Radius = n
Volume 2.4548873206985E+26
Surface area 1.8960007277104E+18
Circumference 2440586396.2122

Square

Length = n
Perimeter 1553725556
Area 150878943960469321
Diagonal 549324938.37522

Cube

Length = n
Surface area 905273663762815926
Volume 5.8606117773418E+25
Space diagonal 672782901.00255

Equilateral Triangle

Length = n
Perimeter 1165294167
Area 6.5332499182968E+16
Altitude 336391450.50128

Triangular Pyramid

Length = n
Surface area 6.5332499182968E+16
Volume 6.9067972161003E+24
Height 183108312.79174