28923909 is an odd 8-digits composite number following 28923908
and preceding 28923910 . In scientific notation, it is written as 2.8923909 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 15422400 positive integers (up to 28923909) that are relatively prime to 28923909.
28923909 has 16 divisors, whose sum is 44150400
The reverse of 28923909 is 90932982
Previous prime number is 1349
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million nine hundred twenty-three thousand nine hundred nine
Scientific notation
2.8923909 × 10^7
Engineering notation
2.8923909 × 10^6
Prime Factorization
3 × 7 × 1349 × 1021
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28923909
Product of the distinct prime numbers
The prime factorization of 28923909 is 3 × 7 × 1349 × 1021.
Since it has a total of 4 prime factors.
9 , 3 , 65 , 90 , 380 , 226 , 268 , 8192 , 1132 , 1271 , 598868 , 893188 , 7648291 , 7919430 , 61560618 , 84269064 , 203088038 , 954513691 , 445018040 , 9941080097
n×2
57847818
n×3
86771727
n×4
115695636
n×5
144619545
n÷2
14461954.5
n÷3
9641303
n÷3
7230977.25
n÷5
5784781.8
n2
836592511840281
n3
2.419752568255E+22
n4
6.9988703086723E+29
n5
2.0243468791084E+37
2 √n
5378.0952948047
3 √n
306.96273955653
4 √n
73.335498190199
5 √n
31.063572251348
1 , 3 , 7 , 21 , 1021 , 1349 , 3063 , 4047 , 7147 , 9443 , 21441 , 28329 , 1377329 , 4131987 , 9641303 , 28923909
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
-28923908
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 28923909 can be divided by 16 positive divisors.
The sum of these divisors (counting 28923909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010101100000000101
3
Ternary
2000102111010220
4
Quaternary
1232111200011
5
Quinary
24401031114
6
Senary
2511534553
8
Octal
156254005
10
Decimal
28923909
12
Duodecimal
982a459
16
Hexadecimal
1b95805
20
Vigesimal
90f9f9
36
Base36
h7xtx
md5
3341a65490ea784595fef7c35b8dbc86
sha1
da0fb9a4e783e3889fba3b41ce06a809fb483d58
sha256
a2bed6c18fafb80ae59adba43051226af04fbe95079c3e997855e40294ea5aab
sha512
1a7b37b8cae1922eeeb4dad96a8b7827ddac20d387e486eb964714eaa4d5bd14b9f527715118f8601582305422128bb02231487f6eb262a763dd68e5d843b46b
ripemd-160
0ba236fe61e29238fba720bf2e29582023e2e698
Diameter
57847818
Circumference
181734280.055
Area
2.6282328892457E+15
Volume
1.0135835855913E+23
Surface area
1.0512931556983E+16
Circumference
181734280.055
Perimeter
115695636
Area
836592511840281
Diagonal
40904584.384645
Surface area
5019555071041686
Volume
2.419752568255E+22
Space diagonal
50097679.941499
Perimeter
86771727
Area
3.6225518393476E+14
Altitude
25048839.970749
Surface area
3.6225518393476E+14
Volume
2.8517057496778E+21
Height
13634861.461548