28306788 (number)

28306788 is an even 8-digits composite number following 28306787 and preceding 28306789. In scientific notation, it is written as 2.8306788 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 9435592 positive integers (up to 28306788) that are relatively prime to 28306788.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8306788 × 10^7
Engineering notation 2.8306788 × 10^6

Prime Factorization of 28306788

Prime Factorization 2 × 2 × 3 × 2358899

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14153394
Product of the distinct prime numbers

The prime factorization of 28306788 is 2 × 2 × 3 × 2358899. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28306788)

Multiplication

n×y
n×2 56613576
n×3 84920364
n×4 113227152
n×5 141533940

Division

n÷y
n÷2 14153394
n÷3 9435596
n÷3 7076697
n÷5 5661357.6

Exponentiation

ny
n2 801274246876944
n3 2.2681500236205E+22
n4 6.4204041870821E+29
n5 1.8174102019805E+37

Nth Root

y√n
2√n 5320.4123900314
3√n 304.76390579818
4√n 72.941157037926
5√n 30.929871696591

Divisors of 28306788

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28306787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28306788 can be divided by 12 positive divisors. The sum of these divisors (counting 28306788) is 1, the average is 0.083333333333333.

Base conversion 28306788

Base System Value
2 Binary 1101011111110110101100100
3 Ternary 1222021010121120
4 Quaternary 1223332311210
5 Quinary 24221304123
6 Senary 2450413540
8 Octal 153766544
10 Decimal 28306788
12 Duodecimal 95912b0
16 Hexadecimal 1afed64
20 Vigesimal 8gi6j8
36 Base36 gupno

Cryptographic Hash Functions

md5 9f1208ac4c40a47988f78213179be4a6
sha1 b018fad310632c7baa9ee109204a9f63e132f1b1
sha256 bb3dbb8c9af69f64c9b3c86fff95492804aa2ea721d841c2ff7094fc14de31b0
sha512 347bac7de6d75559e4349e412cfb072913c56c5494065eb54f0312c45619a57964e575bd1c409f674c5b8cfca67e516945729d241b55519d10c2dafb2319822f
ripemd-160 971d6dab22470706d510710d958ccd0c73350620

28306788 as geometric shapes

Circle

Radius = n
Diameter 56613576
Circumference 177856794.45505
Area 2.5172772874993E+15

Sphere

Radius = n
Volume 9.5008046019277E+22
Surface area 1.0069109149997E+16
Circumference 177856794.45505

Square

Length = n
Perimeter 113227152
Area 801274246876944
Diagonal 40031843.49682

Cube

Length = n
Surface area 4807645481261664
Volume 2.2681500236205E+22
Space diagonal 49028795.015081

Equilateral Triangle

Length = n
Perimeter 84920364
Area 3.4696192659684E+14
Altitude 24514397.507541

Triangular Pyramid

Length = n
Surface area 3.4696192659684E+14
Volume 2.6730404374175E+21
Height 13343947.832273