28542487 is an odd 8-digits composite number following 28542486
and preceding 28542488 . In scientific notation, it is written as 2.8542487 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 28531576 positive integers (up to 28542487) that are relatively prime to 28542487.
28542487 has 4 divisors, whose sum is 28553400
The reverse of 28542487 is 78424582
Previous prime number is 4349
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million five hundred forty-two thousand four hundred eighty-seven
Scientific notation
2.8542487 × 10^7
Engineering notation
2.8542487 × 10^6
Prime Factorization
4349 × 6563
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28542487
Product of the distinct prime numbers
The prime factorization of 28542487 is 4349 × 6563.
Since it has a total of 2 prime factors.
6 , 5 , 5 , 49 , 487 , 312 , 956 , 24 , 80203 , 34678 , 25274 , 491314 , 7640327 , 4298807 , 62334937 , 74443045 , 755698424 , 469045035 , 9879187698 , 957303536
n×2
57084974
n×3
85627461
n×4
114169948
n×5
142712435
n÷2
14271243.5
n÷3
9514162.3333333
n÷3
7135621.75
n÷5
5708497.4
n2
814673564145169
n3
2.3252809613857E+22
n4
6.6369301611699E+29
n5
1.894344928451E+37
2 √n
5342.5169162109
3 √n
305.60745012927
4 √n
73.092522984303
5 √n
30.981209062256
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
-28542486
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 28542487 can be divided by 4 positive divisors.
The sum of these divisors (counting 28542487) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100111000011000010111
3
Ternary
1222201002221011
4
Quaternary
1230320120113
5
Quinary
24301324422
6
Senary
2455433051
8
Octal
154703027
10
Decimal
28542487
12
Duodecimal
9685787
16
Hexadecimal
1b38617
20
Vigesimal
8i7g47
36
Base36
gzriv
md5
c4056d7d33d2d139e4df3d27ebbda916
sha1
90c999931544e33e3d06148b8afa98493699437d
sha256
df8bb9021987abcf552c9e1fbc81395d095e985e4f8b95808e3afce8bc07d154
sha512
be9d47b6ca87df9500a96927635c392532c646e5e4e864301bb96397659deb0f12c182c7760b8df84a451bd1f1628be6b9eba32674a2aee41d9a9bfbdd463ba6
ripemd-160
66b4f965d9e254051dea0c10c254ac0be92e7205
Diameter
57084974
Circumference
179337734.94876
Area
2.5593724841923E+15
Volume
9.7401141144288E+22
Surface area
1.0237489936769E+16
Circumference
179337734.94876
Perimeter
114169948
Area
814673564145169
Diagonal
40365172.219258
Surface area
4888041384871014
Volume
2.3252809613857E+22
Space diagonal
49437037.658374
Perimeter
85627461
Area
3.5276400117066E+14
Altitude
24718518.829187
Surface area
3.5276400117066E+14
Volume
2.7403698932664E+21
Height
13455057.406419