28931090 (number)

28931090 is an even 8-digits composite number following 28931089 and preceding 28931091. In scientific notation, it is written as 2.8931090 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 11530416 positive integers (up to 28931090) that are relatively prime to 28931090.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand ninety

Notation

Scientific notation 2.8931090 × 10^7
Engineering notation 2.8931090 × 10^6

Prime Factorization of 28931090

Prime Factorization 2 × 5 × 283 × 10223

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28931090
Product of the distinct prime numbers

The prime factorization of 28931090 is 2 × 5 × 283 × 10223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931090)

Multiplication

n×y
n×2 57862180
n×3 86793270
n×4 115724360
n×5 144655450

Division

n÷y
n÷2 14465545
n÷3 9643696.6666667
n÷3 7232772.5
n÷5 5786218

Exponentiation

ny
n2 837007968588100
n3 2.4215552869939E+22
n4 7.0058233947998E+29
n5 2.0268610715906E+37

Nth Root

y√n
2√n 5378.7628689133
3√n 306.98814088381
4√n 73.34004955625
5√n 31.065114541936

Divisors of 28931090

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931089
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931090 can be divided by 16 positive divisors. The sum of these divisors (counting 28931090) is 1, the average is 0.0625.

Base conversion 28931090

Base System Value
2 Binary 1101110010111010000010010
3 Ternary 2000102211222212
4 Quaternary 1232113100102
5 Quinary 24401243330
6 Senary 2512032122
8 Octal 156272022
10 Decimal 28931090
12 Duodecimal 9832642
16 Hexadecimal 1b97412
20 Vigesimal 90g7ea
36 Base36 h83de

Cryptographic Hash Functions

md5 e02df088fef437d34b7baa109daad9ac
sha1 523fc1160960dba32a31c725b15afc1d284c8964
sha256 3a054e6da7a57234eca9d9b7f955743d1e88d02e2eb425fc1ad065b9dabb4827
sha512 7974c8c8cc30f01a160e3fb40baeff8b1272f0b631d91b1d64f4a70f0e3eb3c4409ddfb6b8f8ae3838b43d0ae28b3bacb2beefde00fbb5ebc9469917216f8848
ripemd-160 8205b272eb6d723adc6c28aff68f8760ac5d0865

28931090 as geometric shapes

Circle

Radius = n
Diameter 57862180
Circumference 181779399.60869
Area 2.6295380851125E+15

Sphere

Radius = n
Volume 1.0143387066509E+23
Surface area 1.051815234045E+16
Circumference 181779399.60869

Square

Length = n
Perimeter 115724360
Area 837007968588100
Diagonal 40914739.852237

Cube

Length = n
Surface area 5022047811528600
Volume 2.4215552869939E+22
Space diagonal 50110117.798348

Equilateral Triangle

Length = n
Perimeter 86793270
Area 3.6243508198365E+14
Altitude 25055058.899174

Triangular Pyramid

Length = n
Surface area 3.6243508198365E+14
Volume 2.8538302740859E+21
Height 13638246.617412