28389618 (number)

28389618 is an even 8-digits composite number following 28389617 and preceding 28389619. In scientific notation, it is written as 2.8389618 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 9463200 positive integers (up to 28389618) that are relatively prime to 28389618.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred eighty-nine thousand six hundred eighteen

Notation

Scientific notation 2.8389618 × 10^7
Engineering notation 2.8389618 × 10^6

Prime Factorization of 28389618

Prime Factorization 2 × 3 × 3 × 1577201

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9463206
Product of the distinct prime numbers

The prime factorization of 28389618 is 2 × 3 × 3 × 1577201. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28389618)

Multiplication

n×y
n×2 56779236
n×3 85168854
n×4 113558472
n×5 141948090

Division

n÷y
n÷2 14194809
n÷3 9463206
n÷3 7097404.5
n÷5 5677923.6

Exponentiation

ny
n2 805970410185924
n3 2.2881192064482E+22
n4 6.4958830209527E+29
n5 1.8441563753753E+37

Nth Root

y√n
2√n 5328.1908749593
3√n 305.06087828946
4√n 72.994457837286
5√n 30.947951656046

Divisors of 28389618

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 -28389617
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 28389618 can be divided by 12 positive divisors. The sum of these divisors (counting 28389618) is 1, the average is 0.083333333333333.

Base conversion 28389618

Base System Value
2 Binary 1101100010011000011110010
3 Ternary 1222102100020100
4 Quaternary 1230103003302
5 Quinary 24231431433
6 Senary 2452253230
8 Octal 154230362
10 Decimal 28389618
12 Duodecimal 9611216
16 Hexadecimal 1b130f2
20 Vigesimal 8h8e0i
36 Base36 gwhki

Cryptographic Hash Functions

md5 e39004260ebcf2fb24f8b627050ecf61
sha1 aef3766caa6744a9ad6b746c06f304679f1f0f32
sha256 e1ad7bb7a3f860177eeaa63dcf0ec4e80f7af8a7f9fda29db104047f88cb51b8
sha512 75af00acfb9f4ad65f9b5db09e817519b8db02d9da0427ad85e1b9b33a63b7329dcb9d3c087fb00506ba7a93a3afb4524a44a6b2fed54831a121129a3d8c1e64
ripemd-160 1f6bd0efe3f9c340272f52a2f7263e7a7a6a4f95

28389618 as geometric shapes

Circle

Radius = n
Diameter 56779236
Circumference 178377230.69404
Area 2.5320307196509E+15

Sphere

Radius = n
Volume 9.5844513193537E+22
Surface area 1.0128122878603E+16
Circumference 178377230.69404

Square

Length = n
Perimeter 113558472
Area 805970410185924
Diagonal 40148982.806191

Cube

Length = n
Surface area 4835822461115544
Volume 2.2881192064482E+22
Space diagonal 49172260.783472

Equilateral Triangle

Length = n
Perimeter 85168854
Area 3.4899542495979E+14
Altitude 24586130.391736

Triangular Pyramid

Length = n
Surface area 3.4899542495979E+14
Volume 2.6965743450711E+21
Height 13382994.26873