388431394 (number)

388431394 is an even 9-digits composite number following 388431393 and preceding 388431395. In scientific notation, it is written as 3.88431394 × 10^8. The sum of its digits is 43. It has a total of 5 prime factors and 32 positive divisors. There are 170698752 positive integers (up to 388431394) that are relatively prime to 388431394.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88431394 × 10^8
Engineering notation 3.88431394 × 10^6

Prime Factorization of 388431394

Prime Factorization 2 × 73 × 13 × 29 × 7057

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 388431394
Product of the distinct prime numbers

The prime factorization of 388431394 is 2 × 73 × 13 × 29 × 7057. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 388431394)

Multiplication

n×y
n×2 776862788
n×3 1165294182
n×4 1553725576
n×5 1942156970

Division

n÷y
n÷2 194215697
n÷3 129477131.33333
n÷3 97107848.5
n÷5 77686278.8

Exponentiation

ny
n2 150878947844783236
n3 5.8606120036602E+25
n4 2.2764456902749E+34
n5 8.8424297283876E+42

Nth Root

y√n
2√n 19708.662917611
3√n 729.63351467258
4√n 140.38754545048
5√n 52.223126022473

Divisors of 388431394

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388431393
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388431394 can be divided by 32 positive divisors. The sum of these divisors (counting 388431394) is 1, the average is 0.03125.

Base conversion 388431394

Base System Value
2 Binary 10111001001101111111000100010
3 Ternary 1000001220100200221
4 Quaternary 113021233320202
5 Quinary 1243414301034
6 Senary 102313233254
8 Octal 2711577042
10 Decimal 388431394
12 Duodecimal aa10282a
16 Hexadecimal 1726fe22
20 Vigesimal 617di9e
36 Base36 6f9fky

Cryptographic Hash Functions

md5 139bcd15990dc30eaeb65f977ec5511e
sha1 93c87a124b8cd12ecb06abebbc1b71a224290afb
sha256 dea2944ec7234e7e6d2a1d4516dc46e8020f764e61dff1701185d8c30cc28995
sha512 8bec24617dff5568ab48eff33fe1b1690604f5533342142337ca5acc2f2fa4597a95124608a3be3bb27b53c3acc458f8d83aa7d472e66802c5d13507435e97d3
ripemd-160 f55675d86d89b13a94ed881a137106adacfb262c

388431394 as geometric shapes

Circle

Radius = n
Diameter 776862788
Circumference 2440586427.6281
Area 4.7400019413053E+17

Sphere

Radius = n
Volume 2.4548874154986E+26
Surface area 1.8960007765221E+18
Circumference 2440586427.6281

Square

Length = n
Perimeter 1553725576
Area 150878947844783236
Diagonal 549324945.44629

Cube

Length = n
Surface area 905273687068699416
Volume 5.8606120036602E+25
Space diagonal 672782909.6628

Equilateral Triangle

Length = n
Perimeter 1165294182
Area 6.5332500864925E+16
Altitude 336391454.8314

Triangular Pyramid

Length = n
Surface area 6.5332500864925E+16
Volume 6.9067974828191E+24
Height 183108315.14876