28161009 (number)

28161009 is an odd 8-digits composite number following 28161008 and preceding 28161010. In scientific notation, it is written as 2.8161009 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 18597912 positive integers (up to 28161009) that are relatively prime to 28161009.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-one thousand nine

Notation

Scientific notation 2.8161009 × 10^7
Engineering notation 2.8161009 × 10^6

Prime Factorization of 28161009

Prime Factorization 3 × 3 × 107 × 29243

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9387003
Product of the distinct prime numbers

The prime factorization of 28161009 is 3 × 3 × 107 × 29243. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28161009)

Multiplication

n×y
n×2 56322018
n×3 84483027
n×4 112644036
n×5 140805045

Division

n÷y
n÷2 14080504.5
n÷3 9387003
n÷3 7040252.25
n÷5 5632201.8

Exponentiation

ny
n2 793042427898081
n3 2.233287494942E+22
n4 6.2891629244648E+29
n5 1.7710917371832E+37

Nth Root

y√n
2√n 5306.6947340129
3√n 304.23983050978
4√n 72.847064004069
5√n 30.897948308485

Divisors of 28161009

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28161008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28161009 can be divided by 12 positive divisors. The sum of these divisors (counting 28161009) is 1, the average is 0.083333333333333.

Base conversion 28161009

Base System Value
2 Binary 1101011011011001111110001
3 Ternary 1221222201122100
4 Quaternary 1223123033301
5 Quinary 24202123014
6 Senary 2443331013
8 Octal 153331761
10 Decimal 28161009
12 Duodecimal 9520a69
16 Hexadecimal 1adb3f1
20 Vigesimal 8g02a9
36 Base36 grl69

Cryptographic Hash Functions

md5 8b05cbc7eed4a723ab6cfcff002de8f1
sha1 0c2431aae500cdd4e85f7d71cdefa2645f7aa4e7
sha256 d5ac3aeb7dca1f382e73975218282fa2fa0e12ac1d6cc0ec0a22286c4b01891f
sha512 de2041c6cced2edaa1d3128cd5b893d2045eca827a2af9fde59a2b117d9e8fe5160c714191c20a320b5400ca91281fb442c3e73df88e061d639ed23921966508
ripemd-160 91cd2e136cb88783dabee9f650107199e5824e34

28161009 as geometric shapes

Circle

Radius = n
Diameter 56322018
Circumference 176940837.98415
Area 2.4914162654696E+15

Sphere

Radius = n
Volume 9.3547727832849E+22
Surface area 9.9656650618785E+15
Circumference 176940837.98415

Square

Length = n
Perimeter 112644036
Area 793042427898081
Diagonal 39825680.857911

Cube

Length = n
Surface area 4758254567388486
Volume 2.233287494942E+22
Space diagonal 48776298.380404

Equilateral Triangle

Length = n
Perimeter 84483027
Area 3.4339744441931E+14
Altitude 24388149.190202

Triangular Pyramid

Length = n
Surface area 3.4339744441931E+14
Volume 2.6319545533543E+21
Height 13275226.952637