28420072 (number)

28420072 is an even 8-digits composite number following 28420071 and preceding 28420073. In scientific notation, it is written as 2.8420072 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 8 positive divisors. There are 14210032 positive integers (up to 28420072) that are relatively prime to 28420072.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred twenty thousand seventy-two

Notation

Scientific notation 2.8420072 × 10^7
Engineering notation 2.8420072 × 10^6

Prime Factorization of 28420072

Prime Factorization 2 × 2 × 2 × 3552509

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7105018
Product of the distinct prime numbers

The prime factorization of 28420072 is 2 × 2 × 2 × 3552509. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28420072)

Multiplication

n×y
n×2 56840144
n×3 85260216
n×4 113680288
n×5 142100360

Division

n÷y
n÷2 14210036
n÷3 9473357.3333333
n÷3 7105018
n÷5 5684014.4

Exponentiation

ny
n2 807700492485184
n3 2.2954906150864E+22
n4 6.5238008556081E+29
n5 1.8540689003004E+37

Nth Root

y√n
2√n 5331.0479270027
3√n 305.16992054575
4√n 73.014025549909
5√n 30.95458848202

Divisors of 28420072

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28420071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28420072 can be divided by 8 positive divisors. The sum of these divisors (counting 28420072) is 1, the average is 0.125.

Base conversion 28420072

Base System Value
2 Binary 1101100011010011111101000
3 Ternary 1222110220000021
4 Quaternary 1230122133220
5 Quinary 24233420242
6 Senary 2453050224
8 Octal 154323750
10 Decimal 28420072
12 Duodecimal 9626974
16 Hexadecimal 1b1a7e8
20 Vigesimal 8hca3c
36 Base36 gx52g

Cryptographic Hash Functions

md5 2c3c81f64081e4c981e204c500fc113b
sha1 75c24546c8c1267c7c1ce8a36df70e9248350c40
sha256 43296be8747ee751af013bbe0c01464d8f710deb95e3d0e5ee9c489e8345cde8
sha512 9071c223b7fd09911e9ffa52dbc103c813740e4256bb6d667aa4fb324de80e7b9dd56f7415bc12a03c04325d6a632517de71c35f973dd5d632d2aa204c403e35
ripemd-160 c99523f6a255065b04f4ebfd4ff4c3f134e49c70

28420072 as geometric shapes

Circle

Radius = n
Diameter 56840144
Circumference 178568578.81939
Area 2.5374659334923E+15

Sphere

Radius = n
Volume 9.6153286036532E+22
Surface area 1.0149863733969E+16
Circumference 178568578.81939

Square

Length = n
Perimeter 113680288
Area 807700492485184
Diagonal 40192051.26602

Cube

Length = n
Surface area 4846202954911104
Volume 2.2954906150864E+22
Space diagonal 49225008.658766

Equilateral Triangle

Length = n
Perimeter 85260216
Area 3.4974457257069E+14
Altitude 24612504.329383

Triangular Pyramid

Length = n
Surface area 3.4974457257069E+14
Volume 2.7052616334628E+21
Height 13397350.422007