28305489 (number)

28305489 is an odd 8-digits composite number following 28305488 and preceding 28305490. In scientific notation, it is written as 2.8305489 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 18870324 positive integers (up to 28305489) that are relatively prime to 28305489.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred five thousand four hundred eighty-nine

Notation

Scientific notation 2.8305489 × 10^7
Engineering notation 2.8305489 × 10^6

Prime Factorization of 28305489

Prime Factorization 3 × 9435163

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28305489
Product of the distinct prime numbers

The prime factorization of 28305489 is 3 × 9435163. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28305489)

Multiplication

n×y
n×2 56610978
n×3 84916467
n×4 113221956
n×5 141527445

Division

n÷y
n÷2 14152744.5
n÷3 9435163
n÷3 7076372.25
n÷5 5661097.8

Exponentiation

ny
n2 801200707529121
n3 2.2678377813758E+22
n4 6.4192257374516E+29
n5 1.8169932349995E+37

Nth Root

y√n
2√n 5320.2903116277
3√n 304.75924384961
4√n 72.940320205136
5√n 30.92958781669

Divisors of 28305489

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 -28305488
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 28305489 can be divided by 4 positive divisors. The sum of these divisors (counting 28305489) is 1, the average is 0.25.

Base conversion 28305489

Base System Value
2 Binary 1101011111110100001010001
3 Ternary 1222021001211110
4 Quaternary 1223332201101
5 Quinary 24221233424
6 Senary 2450403533
8 Octal 153764121
10 Decimal 28305489
12 Duodecimal 95905a9
16 Hexadecimal 1afe851
20 Vigesimal 8gi3e9
36 Base36 guonl

Cryptographic Hash Functions

md5 a8bad426c8799d965f5205412804ec9c
sha1 d9c9f10cea2118e33ac7eb128cd4e0b97327ac7b
sha256 c258eef66ca155e90631d05bdc0e458c13848c0572b176959933b27fc5b40489
sha512 d9a1d0ce1a5ff53c6dc0d20ec69bcb8e49bad41423cf43be355fc1d7c954682b75d68a5b1e17783c12ae76dd72ae2f59db5d320e815f451896217e31b64bdcd5
ripemd-160 d59e4a1ff933f1abf86ee11e1f92c6e2b424a06d

28305489 as geometric shapes

Circle

Radius = n
Diameter 56610978
Circumference 177848632.59733
Area 2.5170462568244E+15

Sphere

Radius = n
Volume 9.4994966846713E+22
Surface area 1.0068185027298E+16
Circumference 177848632.59733

Square

Length = n
Perimeter 113221956
Area 801200707529121
Diagonal 40030006.433402

Cube

Length = n
Surface area 4807204245174726
Volume 2.2678377813758E+22
Space diagonal 49026545.081082

Equilateral Triangle

Length = n
Perimeter 84916467
Area 3.4693008312514E+14
Altitude 24513272.540541

Triangular Pyramid

Length = n
Surface area 3.4693008312514E+14
Volume 2.6726724564031E+21
Height 13343335.477801