28542909 is an odd 8-digits composite number following 28542908
and preceding 28542910 . In scientific notation, it is written as 2.8542909 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 18414720 positive integers (up to 28542909) that are relatively prime to 28542909.
28542909 has 8 divisors, whose sum is 39284992
The reverse of 28542909 is 90924582
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million five hundred forty-two thousand nine hundred nine
Scientific notation
2.8542909 × 10^7
Engineering notation
2.8542909 × 10^6
Prime Factorization
3 × 31 × 306913
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28542909
Product of the distinct prime numbers
The prime factorization of 28542909 is 3 × 31 × 306913.
Since it has a total of 3 prime factors.
1 , 5 , 84 , 51 , 877 , 979 , 2171 , 1656 , 11232 , 77327 , 400763 , 361218 , 2721597 , 6563443 , 45086924 , 47613304 , 527010966 , 280587309 , 4165843206 , 8423781429
n×2
57085818
n×3
85628727
n×4
114171636
n×5
142714545
n÷2
14271454.5
n÷3
9514303
n÷3
7135727.25
n÷5
5708581.8
n2
814697654182281
n3
2.3253841005838E+22
n4
6.6373226773011E+29
n5
1.8944849718184E+37
2 √n
5342.5564105585
3 √n
305.60895625483
4 √n
73.092793150615
5 √n
30.981300673004
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
-28542908
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 28542909 can be divided by 8 positive divisors.
The sum of these divisors (counting 28542909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100111000011110111101
3
Ternary
1222201010111210
4
Quaternary
1230320132331
5
Quinary
24301333114
6
Senary
2455435033
8
Octal
154703675
10
Decimal
28542909
12
Duodecimal
9685a79
16
Hexadecimal
1b387bd
20
Vigesimal
8i7h59
36
Base36
gzrul
md5
ace3045388097a15657e52724a788c74
sha1
9163e2ef3ea8a9fe9a7b2007cca975ca68d0e6d5
sha256
d65b9d57494b5d3ba2dbdf82a5d8e279816fb8f4daa0f762ee4b617b62b3268a
sha512
d5006544fb72f6ebd073426cd1e21f64e5f32df7c17d5661b03521cba7fb751fbadf929445fa038208f635dad5da7a1dbc2caf317735ed75feccaac9986f99d5
ripemd-160
3f78e872026a0645f0d08cdaae5bcd0749ab9832
Diameter
57085818
Circumference
179340386.45296
Area
2.5594481652759E+15
Volume
9.7405461428916E+22
Surface area
1.0237792661104E+16
Circumference
179340386.45296
Perimeter
114171636
Area
814697654182281
Diagonal
40365769.017381
Surface area
4888185925093686
Volume
2.3253841005838E+22
Space diagonal
49437768.583815
Perimeter
85628727
Area
3.5277443246272E+14
Altitude
24718884.291907
Surface area
3.5277443246272E+14
Volume
2.740491443977E+21
Height
13455256.339127