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.
28389618 has 12 divisors, whose sum is 61510878
The reverse of 28389618 is 81698382
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million three hundred eighty-nine thousand six hundred eighteen
Scientific notation
2.8389618 × 10^7
Engineering notation
2.8389618 × 10^6
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.
10 , 5 , 98 , 33 , 467 , 468 , 2114 , 2680 , 64876 , 44570 , 568892 , 411807 , 9995647 , 5161136 , 40488527 , 52902464 , 330044858 , 215057889 , 2385885145 , 3270195151
n×2
56779236
n×3
85168854
n×4
113558472
n×5
141948090
n÷2
14194809
n÷3
9463206
n÷3
7097404.5
n÷5
5677923.6
n2
805970410185924
n3
2.2881192064482E+22
n4
6.4958830209527E+29
n5
1.8441563753753E+37
2 √n
5328.1908749593
3 √n
305.06087828946
4 √n
72.994457837286
5 √n
30.947951656046
1 , 2 , 3 , 6 , 9 , 18 , 1577201 , 3154402 , 4731603 , 9463206 , 14194809 , 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
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
md5
e39004260ebcf2fb24f8b627050ecf61
sha1
aef3766caa6744a9ad6b746c06f304679f1f0f32
sha256
e1ad7bb7a3f860177eeaa63dcf0ec4e80f7af8a7f9fda29db104047f88cb51b8
sha512
75af00acfb9f4ad65f9b5db09e817519b8db02d9da0427ad85e1b9b33a63b7329dcb9d3c087fb00506ba7a93a3afb4524a44a6b2fed54831a121129a3d8c1e64
ripemd-160
1f6bd0efe3f9c340272f52a2f7263e7a7a6a4f95
Diameter
56779236
Circumference
178377230.69404
Area
2.5320307196509E+15
Volume
9.5844513193537E+22
Surface area
1.0128122878603E+16
Circumference
178377230.69404
Perimeter
113558472
Area
805970410185924
Diagonal
40148982.806191
Surface area
4835822461115544
Volume
2.2881192064482E+22
Space diagonal
49172260.783472
Perimeter
85168854
Area
3.4899542495979E+14
Altitude
24586130.391736
Surface area
3.4899542495979E+14
Volume
2.6965743450711E+21
Height
13382994.26873