28289399 (number)

28289399 is an odd 8-digits composite number following 28289398 and preceding 28289400. In scientific notation, it is written as 2.8289399 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 27631464 positive integers (up to 28289399) that are relatively prime to 28289399.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred eighty-nine thousand three hundred ninety-nine

Notation

Scientific notation 2.8289399 × 10^7
Engineering notation 2.8289399 × 10^6

Prime Factorization of 28289399

Prime Factorization 43 × 657893

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28289399
Product of the distinct prime numbers

The prime factorization of 28289399 is 43 × 657893. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28289399)

Multiplication

n×y
n×2 56578798
n×3 84868197
n×4 113157596
n×5 141446995

Division

n÷y
n÷2 14144699.5
n÷3 9429799.6666667
n÷3 7072349.75
n÷5 5657879.8

Exponentiation

ny
n2 800290095781201
n3 2.2639725835303E+22
n4 6.4046423740548E+29
n5 1.8118348357194E+37

Nth Root

y√n
2√n 5318.7779611486
3√n 304.70148702303
4√n 72.929952427988
5√n 30.926070687824

Divisors of 28289399

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28289398
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28289399 can be divided by 4 positive divisors. The sum of these divisors (counting 28289399) is 1, the average is 0.25.

Base conversion 28289399

Base System Value
2 Binary 1101011111010100101110111
3 Ternary 1222020020202112
4 Quaternary 1223322211313
5 Quinary 24220230044
6 Senary 2450201235
8 Octal 153724567
10 Decimal 28289399
12 Duodecimal 958321b
16 Hexadecimal 1afa977
20 Vigesimal 8gg39j
36 Base36 guc8n

Cryptographic Hash Functions

md5 a2090a6445836703d426ae5b22dd17fa
sha1 3d941d61326ab9b354bc763e02d255bca4249f7c
sha256 f1972b90c49dc86ea11bf342e5990e4ca9d658dfb3729003f743c35d4b58031b
sha512 770cf24d2411a89aaf1333c11422a59001d7442ae614499cbea5664f7dd050bc2fdc5eac66729aab2595eab139417f0d3703755d48f32be73b7e23c4e5fd73cc
ripemd-160 68976717ea2d6d87724830c650dd98d5063aedc4

28289399 as geometric shapes

Circle

Radius = n
Diameter 56578798
Circumference 177747536.14574
Area 2.5141854856469E+15

Sphere

Radius = n
Volume 9.4833061817965E+22
Surface area 1.0056741942588E+16
Circumference 177747536.14574

Square

Length = n
Perimeter 113157596
Area 800290095781201
Diagonal 40007251.737184

Cube

Length = n
Surface area 4801740574687206
Volume 2.2639725835303E+22
Space diagonal 48998676.383588

Equilateral Triangle

Length = n
Perimeter 84868197
Area 3.465357766718E+14
Altitude 24499338.191794

Triangular Pyramid

Length = n
Surface area 3.465357766718E+14
Volume 2.6681172770578E+21
Height 13335750.579061