388638428 (number)

388638428 is an even 9-digits composite number following 388638427 and preceding 388638429. In scientific notation, it is written as 3.88638428 × 10^8. The sum of its digits is 50. It has a total of 6 prime factors and 48 positive divisors. There are 178354176 positive integers (up to 388638428) that are relatively prime to 388638428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88638428 × 10^8
Engineering notation 3.88638428 × 10^6

Prime Factorization of 388638428

Prime Factorization 2 × 2 × 17 × 59 × 157 × 617

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 194319214
Product of the distinct prime numbers

The prime factorization of 388638428 is 2 × 2 × 17 × 59 × 157 × 617. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 5, 83, 57, 422, 801, 7240, 1467, 88060, 33215, 720380, 179457, 7006523, 3765283, 59087254, 58317932, 284956626, 969286387, 844804976, 8360302235

Basic calculations (n = 388638428)

Multiplication

n×y
n×2 777276856
n×3 1165915284
n×4 1554553712
n×5 1943192140

Division

n÷y
n÷2 194319214
n÷3 129546142.66667
n÷3 97159607
n÷5 77727685.6

Exponentiation

ny
n2 151039827718311184
n3 5.8699881209835E+25
n4 2.2813029557177E+34
n5 8.8660199450189E+42

Nth Root

y√n
2√n 19713.914578287
3√n 729.76312324456
4√n 140.40624835913
5√n 52.228691823006

Divisors of 388638428

1, 2, 4, 17, 34, 59, 68, 118, 157, 236, 314, 617, 628, 1003, 1234, 2006, 2468, 2669, 4012, 5338, 9263, 10489, 10676, 18526, 20978, 36403, 37052, 41956, 72806, 96869, 145612, 157471, 193738, 314942, 387476, 618851, 629884, 1237702, 1646773, 2475404, 3293546, 5715271, 6587092, 11430542, 22861084, 97159607, 194319214, 388638428

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388638427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388638428 can be divided by 48 positive divisors. The sum of these divisors (counting 388638428) is 1, the average is 0.020833333333333.

Base conversion 388638428

Base System Value
2 Binary 10111001010100010011011011100
3 Ternary 1000002021212200212
4 Quaternary 113022202123130
5 Quinary 1243442412203
6 Senary 102321511552
8 Octal 2712423334
10 Decimal 388638428
12 Duodecimal aa1a25b8
16 Hexadecimal 172a26dc
20 Vigesimal 618jg18
36 Base36 6fdvbw

Cryptographic Hash Functions

md5 01f6dd4e2c3771058a4cca10ad372492
sha1 9eb49d24fa7c67dd4e7378d797e8aeaa4a3f20c9
sha256 633685e3ed30dacc5ca1a4634df75cc11ad2c14ff7dc921dfc4330d71bb6165c
sha512 b01efa676f459feeb5d451540e3858572f66a64bc7381c0fff05834952df81638a0127827727288bb68e2a3ebde6d83af404124f75ca121b98b5b01ea34fcdba
ripemd-160 a0fb75d0557516f9f157ea8e292af6d312411387

388638428 as geometric shapes

Circle

Radius = n
Diameter 777276856
Circumference 2441887260.615
Area 4.7450561315931E+17

Sphere

Radius = n
Volume 2.4588148743388E+26
Surface area 1.8980224526373E+18
Circumference 2441887260.615

Square

Length = n
Perimeter 1554553712
Area 151039827718311184
Diagonal 549617735.73696

Cube

Length = n
Surface area 906238966309867104
Volume 5.8699881209835E+25
Space diagonal 673141503.0697

Equilateral Triangle

Length = n
Perimeter 1165915284
Area 6.5402163893641E+16
Altitude 336570751.53485

Triangular Pyramid

Length = n
Surface area 6.5402163893641E+16
Volume 6.9178473430532E+24
Height 183205911.91232