388638438 (number)

388638438 is an even 9-digits composite number following 388638437 and preceding 388638439. In scientific notation, it is written as 3.88638438 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 129546144 positive integers (up to 388638438) that are relatively prime to 388638438.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88638438 × 10^8
Engineering notation 3.88638438 × 10^6

Prime Factorization of 388638438

Prime Factorization 2 × 3 × 64773073

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388638438
Product of the distinct prime numbers

The prime factorization of 388638438 is 2 × 3 × 64773073. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 14, 37, 599, 186, 6054, 2275, 90807, 92219, 818884, 932870, 1320635, 9944654, 98559728, 52610615, 535851844, 989779303, 642691861, 1769872585

Basic calculations (n = 388638438)

Multiplication

n×y
n×2 777276876
n×3 1165915314
n×4 1554553752
n×5 1943192190

Division

n÷y
n÷2 194319219
n÷3 129546146
n÷3 97159609.5
n÷5 77727687.6

Exponentiation

ny
n2 151039835491079844
n3 5.869988574103E+25
n4 2.2813031905172E+34
n5 8.8660210856704E+42

Nth Root

y√n
2√n 19713.914831915
3√n 729.76312950371
4√n 140.40624926233
5√n 52.228692091784

Divisors of 388638438

1, 2, 3, 6, 64773073, 129546146, 194319219, 388638438

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 -388638437
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 388638438 can be divided by 8 positive divisors. The sum of these divisors (counting 388638438) is 1, the average is 0.125.

Base conversion 388638438

Base System Value
2 Binary 10111001010100010011011100110
3 Ternary 1000002021212201020
4 Quaternary 113022202123212
5 Quinary 1243442412223
6 Senary 102321512010
8 Octal 2712423346
10 Decimal 388638438
12 Duodecimal aa1a2606
16 Hexadecimal 172a26e6
20 Vigesimal 618jg1i
36 Base36 6fdvc6

Cryptographic Hash Functions

md5 63779d473ad5c0664d3d06761ae5576c
sha1 2b0a4fcf7439a21f2a70ea06a7b0939910ad4c40
sha256 800e0b0c984766e92ec766b731739c49b5e320fca6e65a0191664b85be5c48f3
sha512 401226fb9b34506fb4876d0d2be981e6b51ba64545104937734e240326eb4971a2e17305fa2b643c2878ab50ec62d00ec320015872f9c1e2a336512f8d923bb1
ripemd-160 e19a3286ef556ed41d6efbaac0ce8acd770c7bfa

388638438 as geometric shapes

Circle

Radius = n
Diameter 777276876
Circumference 2441887323.4468
Area 4.7450563757819E+17

Sphere

Radius = n
Volume 2.4588150641411E+26
Surface area 1.8980225503127E+18
Circumference 2441887323.4468

Square

Length = n
Perimeter 1554553752
Area 151039835491079844
Diagonal 549617749.8791

Cube

Length = n
Surface area 906239012946479064
Volume 5.869988574103E+25
Space diagonal 673141520.39021

Equilateral Triangle

Length = n
Perimeter 1165915314
Area 6.5402167259349E+16
Altitude 336570760.1951

Triangular Pyramid

Length = n
Surface area 6.5402167259349E+16
Volume 6.9178478770597E+24
Height 183205916.62637