28839985 is an odd 8-digits composite number following 28839984
and preceding 28839986 . In scientific notation, it is written as 2.8839985 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 23071984 positive integers (up to 28839985) that are relatively prime to 28839985.
28839985 has 4 divisors, whose sum is 34607988
The reverse of 28839985 is 58993882
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million eight hundred thirty-nine thousand nine hundred eighty-five
Scientific notation
2.8839985 × 10^7
Engineering notation
2.8839985 × 10^6
Prime Factorization
5 × 5767997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28839985
Product of the distinct prime numbers
The prime factorization of 28839985 is 5 × 5767997.
Since it has a total of 2 prime factors.
3 , 7 , 45 , 71 , 742 , 551 , 2128 , 5443 , 12569 , 27335 , 771800 , 722171 , 4625141 , 2648475 , 99094119 , 81054207 , 656259944 , 379215973 , 7637851864 , 9153447554
n×2
57679970
n×3
86519955
n×4
115359940
n×5
144199925
n÷2
14419992.5
n÷3
9613328.3333333
n÷3
7209996.25
n÷5
5767997
n2
831744734800225
n3
2.3987505675467E+22
n4
6.917993038679E+29
n5
1.9951481546561E+37
2 √n
5370.2872362659
3 √n
306.66556329681
4 √n
73.282243662881
5 √n
31.045524827523
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
-28839984
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 28839985 can be divided by 4 positive divisors.
The sum of these divisors (counting 28839985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110000001000000110001
3
Ternary
2000021020000121
4
Quaternary
1232001000301
5
Quinary
24340334420
6
Senary
2510050241
8
Octal
156010061
10
Decimal
28839985
12
Duodecimal
97a9981
16
Hexadecimal
1b81031
20
Vigesimal
904jj5
36
Base36
h652p
md5
f3b1453615f630f72f3e8e8e63631318
sha1
ae8be33457984304814d1e8621b7deae243e9448
sha256
9b32a5a39df32a60a21985ae622aed4b2c5d01a0b6c1423d7f43c74120857c54
sha512
13713b443dba7e4f9521b749e7b5a15b4933dedad349ffc22471e6c353a11d37b4436f1e6a2b9e710e71d46bbbed3ea000a00f32ad92b1a771102120c4bfb20b
ripemd-160
a21b2affdea72e1d985ec734005d636e60e85e3d
Diameter
57679970
Circumference
181206970.01128
Area
2.6130031485104E+15
Volume
1.0047862881066E+23
Surface area
1.0452012594042E+16
Circumference
181206970.01128
Perimeter
115359940
Area
831744734800225
Diagonal
40785897.925637
Surface area
4990468408801350
Volume
2.3987505675467E+22
Space diagonal
49952319.309524
Perimeter
86519955
Area
3.6015603490047E+14
Altitude
24976159.654762
Surface area
3.6015603490047E+14
Volume
2.826954654479E+21
Height
13595299.308546