28130145 (number)

28130145 is an odd 8-digits composite number following 28130144 and preceding 28130146. In scientific notation, it is written as 2.8130145 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 14485184 positive integers (up to 28130145) that are relatively prime to 28130145.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred thirty thousand one hundred forty-five

Notation

Scientific notation 2.8130145 × 10^7
Engineering notation 2.8130145 × 10^6

Prime Factorization of 28130145

Prime Factorization 3 × 145 × 64667

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28130145
Product of the distinct prime numbers

The prime factorization of 28130145 is 3 × 145 × 64667. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28130145)

Multiplication

n×y
n×2 56260290
n×3 84390435
n×4 112520580
n×5 140650725

Division

n÷y
n÷2 14065072.5
n÷3 9376715
n÷3 7032536.25
n÷5 5626029

Exponentiation

ny
n2 791305057721025
n3 2.2259526012926E+22
n4 6.2616369437487E+29
n5 1.7614075516501E+37

Nth Root

y√n
2√n 5303.7859119689
3√n 304.1286426061
4√n 72.827096001206
5√n 30.891172609371

Divisors of 28130145

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 -28130144
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 28130145 can be divided by 8 positive divisors. The sum of these divisors (counting 28130145) is 1, the average is 0.125.

Base conversion 28130145

Base System Value
2 Binary 1101011010011101101100001
3 Ternary 1221221011022020
4 Quaternary 1223103231201
5 Quinary 24200131040
6 Senary 2442532053
8 Octal 153235541
10 Decimal 28130145
12 Duodecimal 9507029
16 Hexadecimal 1ad3b61
20 Vigesimal 8fg575
36 Base36 gqxcx

Cryptographic Hash Functions

md5 886ad9a4cf126f9122b2ded843079799
sha1 bb59cba63e42aded0e2b331b1f0e066c01c6248c
sha256 0c74fcdf7784343a60e1d608e4626de8c4cb46c4c95b08eb51f654cf112d521e
sha512 f38e1627283622e412c3e2fe07c703fa984ab6b2348d7f4a1c962fdf7869d93bc712718a9350b0c123eaae318da7e399c20d6d6b468622a283207f3cc27106b4
ripemd-160 de81fec2c233a7eb8778280d82ffe25ba75bfac6

28130145 as geometric shapes

Circle

Radius = n
Diameter 56260290
Circumference 176746913.75283
Area 2.4859581560848E+15

Sphere

Radius = n
Volume 9.3240484526131E+22
Surface area 9.9438326243393E+15
Circumference 176746913.75283

Square

Length = n
Perimeter 112520580
Area 791305057721025
Diagonal 39782032.570522

Cube

Length = n
Surface area 4747830346326150
Volume 2.2259526012926E+22
Space diagonal 48722840.36428

Equilateral Triangle

Length = n
Perimeter 84390435
Area 3.4264514106476E+14
Altitude 24361420.18214

Triangular Pyramid

Length = n
Surface area 3.4264514106476E+14
Volume 2.6233102982897E+21
Height 13260677.523507