28849905 (number)

28849905 is an odd 8-digits composite number following 28849904 and preceding 28849906. In scientific notation, it is written as 2.8849905 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 13188096 positive integers (up to 28849905) that are relatively prime to 28849905.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred forty-nine thousand nine hundred five

Notation

Scientific notation 2.8849905 × 10^7
Engineering notation 2.8849905 × 10^6

Prime Factorization of 28849905

Prime Factorization 27 × 5 × 7 × 30529

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28849905
Product of the distinct prime numbers

The prime factorization of 28849905 is 27 × 5 × 7 × 30529. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28849905)

Multiplication

n×y
n×2 57699810
n×3 86549715
n×4 115399620
n×5 144249525

Division

n÷y
n÷2 14424952.5
n÷3 9616635
n÷3 7212476.25
n÷5 5769981

Exponentiation

ny
n2 832317018509025
n3 2.4012266913869E+22
n4 6.9275161929975E+29
n5 1.9985818405394E+37

Nth Root

y√n
2√n 5371.2107573619
3√n 306.70072019972
4√n 73.288544516602
5√n 31.047660260272

Divisors of 28849905

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 -28849904
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 28849905 can be divided by 16 positive divisors. The sum of these divisors (counting 28849905) is 1, the average is 0.0625.

Base conversion 28849905

Base System Value
2 Binary 1101110000011011011110001
3 Ternary 2000021201122000
4 Quaternary 1232003123301
5 Quinary 24341144110
6 Senary 2510204213
8 Octal 156033361
10 Decimal 28849905
12 Duodecimal 97b3669
16 Hexadecimal 1b836f1
20 Vigesimal 9064f5
36 Base36 h6cq9

Cryptographic Hash Functions

md5 c3e638ed389dd8d0b6b8fbd59a637acf
sha1 5430ecac41cb9eb2253628dfb7001780e8ddd785
sha256 6bafd42499a5e98877d8a8f77dfb661281977f3cdf5be023af88de8bddec6f99
sha512 53d5b9cc36a6821b5808852197a936867810acb93b1d8bb5627be4c24f2a086823322cddc92c8a96015aed7e5a067347f749a84b96b622ce1f57d81302186977
ripemd-160 163b42a1ff9c9a6a0c7ffa4dff6c31d15670811c

28849905 as geometric shapes

Circle

Radius = n
Diameter 57699810
Circumference 181269299.20953
Area 2.6148010308057E+15

Sphere

Radius = n
Volume 1.0058234844353E+23
Surface area 1.0459204123223E+16
Circumference 181269299.20953

Square

Length = n
Perimeter 115399620
Area 832317018509025
Diagonal 40799926.924175

Cube

Length = n
Surface area 4993902111054150
Volume 2.4012266913869E+22
Space diagonal 49969501.253535

Equilateral Triangle

Length = n
Perimeter 86549715
Area 3.6040384101547E+14
Altitude 24984750.626768

Triangular Pyramid

Length = n
Surface area 3.6040384101547E+14
Volume 2.8298727944096E+21
Height 13599975.641392