388638434 (number)

388638434 is an even 9-digits composite number following 388638433 and preceding 388638435. In scientific notation, it is written as 3.88638434 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 194319216 positive integers (up to 388638434) that are relatively prime to 388638434.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred thirty-eight thousand four hundred thirty-four

Notation

Scientific notation 3.88638434 × 10^8
Engineering notation 3.88638434 × 10^6

Prime Factorization of 388638434

Prime Factorization 2 × 194319217

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 388638434
Product of the distinct prime numbers

The prime factorization of 388638434 is 2 × 194319217. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 1, 20, 4, 946, 30, 323, 5290, 55317, 94050, 972063, 224404, 9411172, 8503130, 64598661, 78151093, 538676111, 264354694, 9670266772, 2292140541

Basic calculations (n = 388638434)

Multiplication

n×y
n×2 777276868
n×3 1165915302
n×4 1554553736
n×5 1943192170

Division

n÷y
n÷2 194319217
n÷3 129546144.66667
n÷3 97159608.5
n÷5 77727686.8

Exponentiation

ny
n2 151039832381972356
n3 5.8699883928552E+25
n4 2.2813030965974E+34
n5 8.8660206294098E+42

Nth Root

y√n
2√n 19713.914730464
3√n 729.76312700005
4√n 140.40624890105
5√n 52.228691984273

Divisors of 388638434

1, 2, 194319217, 388638434

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388638433
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388638434 can be divided by 4 positive divisors. The sum of these divisors (counting 388638434) is 1, the average is 0.25.

Base conversion 388638434

Base System Value
2 Binary 10111001010100010011011100010
3 Ternary 1000002021212201002
4 Quaternary 113022202123202
5 Quinary 1243442412214
6 Senary 102321512002
8 Octal 2712423342
10 Decimal 388638434
12 Duodecimal aa1a2602
16 Hexadecimal 172a26e2
20 Vigesimal 618jg1e
36 Base36 6fdvc2

Cryptographic Hash Functions

md5 4ce186c5b23231afe2187c967713738d
sha1 25058e692441897baae2afe3c8ca248ca11927d0
sha256 6b246f59f4ff6eeb5aea9c5d61914c22d65b34357066c120cd42de72fe3062a3
sha512 f9ee937465a778c78d4a7d2f4d70841abbf861ee03b3cc879b67107f912815c5298adfd64164ee4772f1b1cd150c4c24b9f6148d7f4ee601769760cac11eb414
ripemd-160 823bc52c5410433f836f0124bf972177611d4cba

388638434 as geometric shapes

Circle

Radius = n
Diameter 777276868
Circumference 2441887298.3141
Area 4.7450562781064E+17

Sphere

Radius = n
Volume 2.4588149882202E+26
Surface area 1.8980225112426E+18
Circumference 2441887298.3141

Square

Length = n
Perimeter 1554553736
Area 151039832381972356
Diagonal 549617744.22224

Cube

Length = n
Surface area 906238994291834136
Volume 5.8699883928552E+25
Space diagonal 673141513.462

Equilateral Triangle

Length = n
Perimeter 1165915302
Area 6.5402165913066E+16
Altitude 336570756.731

Triangular Pyramid

Length = n
Surface area 6.5402165913066E+16
Volume 6.9178476634571E+24
Height 183205914.74075