28998909 (number)

28998909 is an odd 8-digits composite number following 28998908 and preceding 28998910. In scientific notation, it is written as 2.8998909 × 10^7. The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors. There are 19332600 positive integers (up to 28998909) that are relatively prime to 28998909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8998909 × 10^7
Engineering notation 2.8998909 × 10^6

Prime Factorization of 28998909

Prime Factorization 9 × 3222101

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28998909
Product of the distinct prime numbers

The prime factorization of 28998909 is 9 × 3222101. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28998909)

Multiplication

n×y
n×2 57997818
n×3 86996727
n×4 115995636
n×5 144994545

Division

n÷y
n÷2 14499454.5
n÷3 9666303
n÷3 7249727.25
n÷5 5799781.8

Exponentiation

ny
n2 840936723190281
n3 2.4386247510553E+22
n4 7.0717457241001E+29
n5 2.0507291072432E+37

Nth Root

y√n
2√n 5385.0635093748
3√n 307.22782976434
4√n 73.382991962544
5√n 31.079665202176

Divisors of 28998909

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 -28998908
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 28998909 can be divided by 4 positive divisors. The sum of these divisors (counting 28998909) is 1, the average is 0.25.

Base conversion 28998909

Base System Value
2 Binary 1101110100111110011111101
3 Ternary 2000120022000200
4 Quaternary 1232213303331
5 Quinary 24410431114
6 Senary 2513314113
8 Octal 156476375
10 Decimal 28998909
12 Duodecimal 9865939
16 Hexadecimal 1ba7cfd
20 Vigesimal 914h59
36 Base36 h9jp9

Cryptographic Hash Functions

md5 1664d01e0a7d941b323fe1f370533048
sha1 865dba67b5d58f82e43b4ae8e588d9f73eff61db
sha256 4b71172f9cb73a377ed98ced014534b49446594c496f9c5c34634318733b0134
sha512 8ebdd90078b648f9efec30483095b631d5f974cf99fcc3dc4592eb215c3ccefa8126d04fd399d1425a78794a6133e5ba17a01c4ee846887a023395c03328d1bc
ripemd-160 6cd6da9feaad43b309b8c4f7e4e1849948bbd196

28998909 as geometric shapes

Circle

Radius = n
Diameter 57997818
Circumference 182205518.95304
Area 2.6418806317085E+15

Sphere

Radius = n
Volume 1.021488747037E+23
Surface area 1.0567522526834E+16
Circumference 182205518.95304

Square

Length = n
Perimeter 115995636
Area 840936723190281
Diagonal 41010650.401823

Cube

Length = n
Surface area 5045620339141686
Volume 2.4386247510553E+22
Space diagonal 50227583.752066

Equilateral Triangle

Length = n
Perimeter 86996727
Area 3.6413628262901E+14
Altitude 25113791.876033

Triangular Pyramid

Length = n
Surface area 3.6413628262901E+14
Volume 2.8739468304009E+21
Height 13670216.800608