28549939 is an odd 8-digits composite number following 28549938
and preceding 28549940 . In scientific notation, it is written as 2.8549939 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 25793640 positive integers (up to 28549939) that are relatively prime to 28549939.
28549939 has 8 divisors, whose sum is 31338432
The reverse of 28549939 is 93994582
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million five hundred forty-nine thousand nine hundred thirty-nine
Scientific notation
2.8549939 × 10^7
Engineering notation
2.8549939 × 10^6
Prime Factorization
11 × 163 × 15923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28549939
Product of the distinct prime numbers
The prime factorization of 28549939 is 11 × 163 × 15923.
Since it has a total of 3 prime factors.
7 , 4 , 79 , 86 , 16 , 136 , 2988 , 8033 , 25178 , 88114 , 556528 , 22972 , 939921 , 5296087 , 11309319 , 58798450 , 676230979 , 637419560 , 1943526770 , 3526690156
n×2
57099878
n×3
85649817
n×4
114199756
n×5
142749695
n÷2
14274969.5
n÷3
9516646.3333333
n÷3
7137484.75
n÷5
5709987.8
n2
815099016903721
n3
2.3271027211561E+22
n4
6.6438640735741E+29
n5
1.8968191402483E+37
2 √n
5343.2142947855
3 √n
305.63404426769
4 √n
73.097293347876
5 √n
30.982826635825
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28549938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28549939 can be divided by 8 positive divisors.
The sum of these divisors (counting 28549939) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100111010001100110011
3
Ternary
1222201111011011
4
Quaternary
1230322030303
5
Quinary
24302044224
6
Senary
2455531351
8
Octal
154721463
10
Decimal
28549939
12
Duodecimal
9689b57
16
Hexadecimal
1b3a333
20
Vigesimal
8i8egj
36
Base36
gzx9v
md5
f8f605b4a46f614ea7256bfb5e6c730f
sha1
2b0b1c00959e0bec6b21e2ede69e64526ee1358c
sha256
8e128e80d83183ff6595b994f4d0101225a7d7de2e85aa66cab79d8b102524f0
sha512
827316f825ad371fe2b9b98f70c980ad363d98cd8e7a99f9fc03071ec73e46aeb67b99d2f164430ccac725666cc56edd96d7ffc806e98cc3eced2df86fb19fb6
ripemd-160
27a4987a83fdb1083053a82053f7f6a13b080f46
Diameter
57099878
Circumference
179384557.24567
Area
2.560709083453E+15
Volume
9.7477450839105E+22
Surface area
1.0242836333812E+16
Circumference
179384557.24567
Perimeter
114199756
Area
815099016903721
Diagonal
40375710.938725
Surface area
4890594101422326
Volume
2.3271027211561E+22
Space diagonal
49449944.900992
Perimeter
85649817
Area
3.5294822761917E+14
Altitude
24724972.450496
Surface area
3.5294822761917E+14
Volume
2.7425168577453E+21
Height
13458570.312908