388638628 (number)

388638628 is an even 9-digits composite number following 388638627 and preceding 388638629. In scientific notation, it is written as 3.88638628 × 10^8. The sum of its digits is 52. It has a total of 6 prime factors and 48 positive divisors. There are 159304320 positive integers (up to 388638628) that are relatively prime to 388638628.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88638628 × 10^8
Engineering notation 3.88638628 × 10^6

Prime Factorization of 388638628

Prime Factorization 2 × 2 × 7 × 29 × 109 × 4391

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 194319314
Product of the distinct prime numbers

The prime factorization of 388638628 is 2 × 2 × 7 × 29 × 109 × 4391. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 388638628)

Multiplication

n×y
n×2 777277256
n×3 1165915884
n×4 1554554512
n×5 1943193140

Division

n÷y
n÷2 194319314
n÷3 129546209.33333
n÷3 97159657
n÷5 77727725.6

Exponentiation

ny
n2 151039983173722384
n3 5.8699971833779E+25
n4 2.2813076517118E+34
n5 8.8660427580719E+42

Nth Root

y√n
2√n 19713.919650846
3√n 729.76324842741
4√n 140.406266423
5√n 52.228697198561

Divisors of 388638628

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 -388638627
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 388638628 can be divided by 48 positive divisors. The sum of these divisors (counting 388638628) is 1, the average is 0.020833333333333.

Base conversion 388638628

Base System Value
2 Binary 10111001010100010011110100100
3 Ternary 1000002021212222021
4 Quaternary 113022202132210
5 Quinary 1243442414003
6 Senary 102321512524
8 Octal 2712423644
10 Decimal 388638628
12 Duodecimal aa1a2744
16 Hexadecimal 172a27a4
20 Vigesimal 618jgb8
36 Base36 6fdvhg

Cryptographic Hash Functions

md5 5acb70312445c0e831e18233be5afeaa
sha1 7a686ae4df0cf61977289b95157e703aec31fedb
sha256 6a64d4526bf0805a78eda9be46211695b3d5c2089a9edbd665103b4197d6009d
sha512 a7cbfff8cf1db7997f0bc94bf4040773f3e044f3751c01c768b802af6d9707ca01b1e2cf60e152b704ce73bd2dae5ffcdffc81543d91316f0231acc733cc0049
ripemd-160 ff089a8f042ead78dbeba8e28e71966b16694802

388638628 as geometric shapes

Circle

Radius = n
Diameter 777277256
Circumference 2441888517.252
Area 4.7450610153689E+17

Sphere

Radius = n
Volume 2.4588186703857E+26
Surface area 1.8980244061476E+18
Circumference 2441888517.252

Square

Length = n
Perimeter 1554554512
Area 151039983173722384
Diagonal 549618018.57967

Cube

Length = n
Surface area 906239899042334304
Volume 5.8699971833779E+25
Space diagonal 673141849.47986

Equilateral Triangle

Length = n
Perimeter 1165915884
Area 6.5402231207809E+16
Altitude 336570924.73993

Triangular Pyramid

Length = n
Surface area 6.5402231207809E+16
Volume 6.9178580231874E+24
Height 183206006.19322