28379904 (number)

28379904 is an even 8-digits composite number following 28379903 and preceding 28379905. In scientific notation, it is written as 2.8379904 × 10^7. The sum of its digits is 42. It has a total of 11 prime factors and 72 positive divisors. There are 8107008 positive integers (up to 28379904) that are relatively prime to 28379904.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred seventy-nine thousand nine hundred four

Notation

Scientific notation 2.8379904 × 10^7
Engineering notation 2.8379904 × 10^6

Prime Factorization of 28379904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 5279

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 11
Total number of prime factors
rad Radical 221718
Product of the distinct prime numbers

The prime factorization of 28379904 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 5279. Since it has a total of 11 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28379904)

Multiplication

n×y
n×2 56759808
n×3 85139712
n×4 113519616
n×5 141899520

Division

n÷y
n÷2 14189952
n÷3 9459968
n÷3 7094976
n÷5 5675980.8

Exponentiation

ny
n2 805418951049216
n3 2.2857712510557E+22
n4 6.4869968670922E+29
n5 1.8410034833638E+37

Nth Root

y√n
2√n 5327.2792305266
3√n 305.0260803641
4√n 72.988212956111
5√n 30.945833490477

Divisors of 28379904

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28379903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28379904 can be divided by 72 positive divisors. The sum of these divisors (counting 28379904) is 1, the average is 0.013888888888889.

Base conversion 28379904

Base System Value
2 Binary 1101100010000101100000000
3 Ternary 1222101211220120
4 Quaternary 1230100230000
5 Quinary 24231124104
6 Senary 2452140240
8 Octal 154205400
10 Decimal 28379904
12 Duodecimal 9607680
16 Hexadecimal 1b10b00
20 Vigesimal 8h79f4
36 Base36 gwa2o

Cryptographic Hash Functions

md5 cf80e21fbac4ceb78985c1f595e6e433
sha1 a29a6874d14becf3b31bad70895594a1006c9338
sha256 c3eb8b6515c32cc92d63f9e9be8836b37ccd33001681b7116454166cde1f8b0b
sha512 d6b47fcdd0920893eea42120bf93dbbca05311dd1ae1727e8bfc6ae1ab0e009fee5512f3765f049e29ca3d00a75f9ab74040586aa865de7ca9e3635ad69d8a7b
ripemd-160 8f4c1f733ff335e0521cbef543b00fe326749eb7

28379904 as geometric shapes

Circle

Radius = n
Diameter 56759808
Circumference 178316195.83197
Area 2.5302982596782E+15

Sphere

Radius = n
Volume 9.5746162268046E+22
Surface area 1.0121193038713E+16
Circumference 178316195.83197

Square

Length = n
Perimeter 113519616
Area 805418951049216
Diagonal 40135245.135646

Cube

Length = n
Surface area 4832513706295296
Volume 2.2857712510557E+22
Space diagonal 49155435.641927

Equilateral Triangle

Length = n
Perimeter 85139712
Area 3.4875663614902E+14
Altitude 24577717.820964

Triangular Pyramid

Length = n
Surface area 3.4875663614902E+14
Volume 2.6938072531046E+21
Height 13378415.045215