388639428 (number)

388639428 is an even 9-digits composite number following 388639427 and preceding 388639429. In scientific notation, it is written as 3.88639428 × 10^8. The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors. There are 126789984 positive integers (up to 388639428) that are relatively prime to 388639428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88639428 × 10^8
Engineering notation 3.88639428 × 10^6

Prime Factorization of 388639428

Prime Factorization 2 × 2 × 3 × 47 × 689077

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 194319714
Product of the distinct prime numbers

The prime factorization of 388639428 is 2 × 2 × 3 × 47 × 689077. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 8, 58, 26, 40, 750, 3337, 6568, 94952, 36143, 555721, 719735, 2567550, 5652697, 18617907, 42419623, 859480086, 748771639, 6738637430, 325592665

Basic calculations (n = 388639428)

Multiplication

n×y
n×2 777278856
n×3 1165918284
n×4 1554557712
n×5 1943197140

Division

n÷y
n÷2 194319714
n÷3 129546476
n÷3 97159857
n÷5 77727885.6

Exponentiation

ny
n2 151040604996167184
n3 5.8700334330484E+25
n4 2.2813264357608E+34
n5 8.8661340107536E+42

Nth Root

y√n
2√n 19713.939941067
3√n 729.76374915839
4√n 140.40633867838
5√n 52.228718700759

Divisors of 388639428

1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 282, 564, 689077, 1378154, 2067231, 2756308, 4134462, 8268924, 32386619, 64773238, 97159857, 129546476, 194319714, 388639428

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388639427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388639428 can be divided by 24 positive divisors. The sum of these divisors (counting 388639428) is 1, the average is 0.041666666666667.

Base conversion 388639428

Base System Value
2 Binary 10111001010100010101011000100
3 Ternary 1000002021221001220
4 Quaternary 113022202223010
5 Quinary 1243442430203
6 Senary 102321520340
8 Octal 2712425304
10 Decimal 388639428
12 Duodecimal aa1a30b0
16 Hexadecimal 172a2ac4
20 Vigesimal 618jib8
36 Base36 6fdw3o

Cryptographic Hash Functions

md5 b421c30a78a0d5d69c07b4edde8e9e7f
sha1 123d459031b88cf4e1fd37690cb1a6eaa193b815
sha256 8f241cd9007ed7b917afcc93e326638eae740a920ae591ce059b653338650cf9
sha512 29396b0b28ac785ee0b8e91a1bb61e0ed6193b3f7f11c0c5ec7a9d46d1a270a68edab5e0d688056adc6c1d4e815715cef0ec5aec5aa27efa88114d616aaecceb
ripemd-160 f1e7438f26e499bf623921dc313b584ebb25cfb4

388639428 as geometric shapes

Circle

Radius = n
Diameter 777278856
Circumference 2441893543.8003
Area 4.7450805504972E+17

Sphere

Radius = n
Volume 2.4588338546122E+26
Surface area 1.8980322201989E+18
Circumference 2441893543.8003

Square

Length = n
Perimeter 1554557712
Area 151040604996167184
Diagonal 549619149.95052

Cube

Length = n
Surface area 906243629977003104
Volume 5.8700334330484E+25
Space diagonal 673143235.12051

Equilateral Triangle

Length = n
Perimeter 1165918284
Area 6.5402500464826E+16
Altitude 336571617.56025

Triangular Pyramid

Length = n
Surface area 6.5402500464826E+16
Volume 6.9179007438338E+24
Height 183206383.31684