28490081 (number)

28490081 is an odd 8-digits composite number following 28490080 and preceding 28490082. In scientific notation, it is written as 2.8490081 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 28342272 positive integers (up to 28490081) that are relatively prime to 28490081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8490081 × 10^7
Engineering notation 2.8490081 × 10^6

Prime Factorization of 28490081

Prime Factorization 193 × 147617

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28490081
Product of the distinct prime numbers

The prime factorization of 28490081 is 193 × 147617. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28490081)

Multiplication

n×y
n×2 56980162
n×3 85470243
n×4 113960324
n×5 142450405

Division

n÷y
n÷2 14245040.5
n÷3 9496693.6666667
n÷3 7122520.25
n÷5 5698016.2

Exponentiation

ny
n2 811684715386561
n3 2.3124963287825E+22
n4 6.5883207719216E+29
n5 1.8770179244603E+37

Nth Root

y√n
2√n 5337.610045704
3√n 305.42029666455
4√n 73.058949114424
5√n 30.969823964836

Divisors of 28490081

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 -28490080
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 28490081 can be divided by 4 positive divisors. The sum of these divisors (counting 28490081) is 1, the average is 0.25.

Base conversion 28490081

Base System Value
2 Binary 1101100101011100101100001
3 Ternary 1222121110001012
4 Quaternary 1230223211201
5 Quinary 24243140311
6 Senary 2454350305
8 Octal 154534541
10 Decimal 28490081
12 Duodecimal 965b395
16 Hexadecimal 1b2b961
20 Vigesimal 8i1541
36 Base36 gyn35

Cryptographic Hash Functions

md5 af7af6ada8a01ab15897ba98b96467c4
sha1 db621ff2fdde97fd39102840e1b36c632d9a628b
sha256 bc8834366112a28e5d2dc4b3a86661fcff146b20fd3eac00af39cb962a1d332e
sha512 bb37da9643a5d11be5b111c2e51c3fe0cca768304e80a445bac40fdfaed8dc08ac7474903b1db44db991d2417edba0785a0b7c5005082141faf472a8469a2d0d
ripemd-160 3ff8fe6ba75842123238d879c251f632b3ea2ef7

28490081 as geometric shapes

Circle

Radius = n
Diameter 56980162
Circumference 179008458.33956
Area 2.5499827388895E+15

Sphere

Radius = n
Volume 9.6865619706087E+22
Surface area 1.0199930955558E+16
Circumference 179008458.33956

Square

Length = n
Perimeter 113960324
Area 811684715386561
Diagonal 40291058.943308

Cube

Length = n
Surface area 4870108292319366
Volume 2.3124963287825E+22
Space diagonal 49346267.803753

Equilateral Triangle

Length = n
Perimeter 85470243
Area 3.5146979169415E+14
Altitude 24673133.901876

Triangular Pyramid

Length = n
Surface area 3.5146979169415E+14
Volume 2.7253030592518E+21
Height 13430352.981103