28388619 is an odd 8-digits composite number following 28388618
and preceding 28388620 . In scientific notation, it is written as 2.8388619 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 16172928 positive integers (up to 28388619) that are relatively prime to 28388619.
28388619 has 16 divisors, whose sum is 36158400
The reverse of 28388619 is 91688382
Previous prime number is 809
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million three hundred eighty-eight thousand six hundred nineteen
Scientific notation
2.8388619 × 10^7
Engineering notation
2.8388619 × 10^6
Prime Factorization
9 × 7 × 809 × 557
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28388619
Product of the distinct prime numbers
The prime factorization of 28388619 is 9 × 7 × 809 × 557.
Since it has a total of 4 prime factors.
5 , 2 , 1 , 36 , 783 , 756 , 3642 , 4842 , 93799 , 17208 , 849613 , 393336 , 7052216 , 4481340 , 23638592 , 32077374 , 571263571 , 655839910 , 1101635329 , 3725399765
n×2
56777238
n×3
85165857
n×4
113554476
n×5
141943095
n÷2
14194309.5
n÷3
9462873
n÷3
7097154.75
n÷5
5677723.8
n2
805913688727161
n3
2.287877665616E+22
n4
6.4949687367782E+29
n5
1.8438319288531E+37
2 √n
5328.0971274931
3 √n
305.0572999932
4 √n
72.993815679776
5 √n
30.947733847981
1 , 7 , 9 , 63 , 557 , 809 , 3899 , 5013 , 5663 , 7281 , 35091 , 50967 , 450613 , 3154291 , 4055517 , 28388619
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
-28388618
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 28388619 can be divided by 16 positive divisors.
The sum of these divisors (counting 28388619) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100010010110100001011
3
Ternary
1222102021212100
4
Quaternary
1230102310023
5
Quinary
24231413434
6
Senary
2452244443
8
Octal
154226413
10
Decimal
28388619
12
Duodecimal
9610723
16
Hexadecimal
1b12d0b
20
Vigesimal
8h8baj
36
Base36
gwgsr
md5
e0cf1991406cc9a111dba39d1ad1b886
sha1
6923100365e5a95f0d5c8a98fad8f7845edd65dc
sha256
47fa4f4f5e390dac1908d765549a0bb6ca414e30ce012e84d88d947def513fa8
sha512
93ee23af5f87600d65d3cb20aa054c77669613eca219dcfc1c11a5a7d7e83ad5a94eed46fa6d6084c68bce24367519e2586db6ff654b8476e6b1211e14bf9b16
ripemd-160
cce3e70c3789de467a92cd2c726a541cf1cc4529
Diameter
56777238
Circumference
178370953.79192
Area
2.5318525239327E+15
Volume
9.5834395554818E+22
Surface area
1.0127410095731E+16
Circumference
178370953.79192
Perimeter
113554476
Area
805913688727161
Diagonal
40147570.006843
Surface area
4835482132362966
Volume
2.287877665616E+22
Space diagonal
49170530.464715
Perimeter
85165857
Area
3.4897086384767E+14
Altitude
24585265.232358
Surface area
3.4897086384767E+14
Volume
2.6962896864705E+21
Height
13382523.335614