28398081 (number)

28398081 is an odd 8-digits composite number following 28398080 and preceding 28398082. In scientific notation, it is written as 2.8398081 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 18932052 positive integers (up to 28398081) that are relatively prime to 28398081.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-eight thousand eighty-one

Notation

Scientific notation 2.8398081 × 10^7
Engineering notation 2.8398081 × 10^6

Prime Factorization of 28398081

Prime Factorization 3 × 9466027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28398081
Product of the distinct prime numbers

The prime factorization of 28398081 is 3 × 9466027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28398081)

Multiplication

n×y
n×2 56796162
n×3 85194243
n×4 113592324
n×5 141990405

Division

n÷y
n÷2 14199040.5
n÷3 9466027
n÷3 7099520.25
n÷5 5679616.2

Exponentiation

ny
n2 806451004482561
n3 2.2901660947827E+22
n4 6.5036322263093E+29
n5 1.8469067475694E+37

Nth Root

y√n
2√n 5328.9849877814
3√n 305.09118835699
4√n 72.999897176513
5√n 30.949796564913

Divisors of 28398081

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 -28398080
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 28398081 can be divided by 4 positive divisors. The sum of these divisors (counting 28398081) is 1, the average is 0.25.

Base conversion 28398081

Base System Value
2 Binary 1101100010101001000000001
3 Ternary 1222102202211210
4 Quaternary 1230111020001
5 Quinary 24232214311
6 Senary 2452400333
8 Octal 154251001
10 Decimal 28398081
12 Duodecimal 96160a9
16 Hexadecimal 1b15201
20 Vigesimal 8h9f41
36 Base36 gwo3l

Cryptographic Hash Functions

md5 9da472fbb37ae447a470d24c7489399c
sha1 aaca9d6a2c3785f9a5ef7eae25273c49f6888eee
sha256 adc71c71773cbcf5febf07b4effb751211074ddc71ac79dbd40c37eadc708728
sha512 f8674694f7660ab6f26979a2229a96baa4cc1717fb01b436e12761c5f736b809edc3b75b7217cdb337ea6efa7b5e7cdcc1447c6e0faa3f5c52160ca9a12dfef5
ripemd-160 f13a930ea1583661422fc13915d67d298e33d57c

28398081 as geometric shapes

Circle

Radius = n
Diameter 56796162
Circumference 178430405.2913
Area 2.5335405511625E+15

Sphere

Radius = n
Volume 9.5930253051597E+22
Surface area 1.013416220465E+16
Circumference 178430405.2913

Square

Length = n
Perimeter 113592324
Area 806451004482561
Diagonal 40160951.29557

Cube

Length = n
Surface area 4838706026895366
Volume 2.2901660947827E+22
Space diagonal 49186919.129456

Equilateral Triangle

Length = n
Perimeter 85194243
Area 3.4920352839469E+14
Altitude 24593459.564728

Triangular Pyramid

Length = n
Surface area 3.4920352839469E+14
Volume 2.6989866261073E+21
Height 13386983.76519