28932921 is an odd 8-digits composite number following 28932920
and preceding 28932922 . In scientific notation, it is written as 2.8932921 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 18585600 positive integers (up to 28932921) that are relatively prime to 28932921.
28932921 has 12 divisors, whose sum is 41850900
The reverse of 28932921 is 12923982
Previous prime number is 3649
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million nine hundred thirty-two thousand nine hundred twenty-one
Scientific notation
2.8932921 × 10^7
Engineering notation
2.8932921 × 10^6
Prime Factorization
3 × 3 × 3649 × 881
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9644307
Product of the distinct prime numbers
The prime factorization of 28932921 is 3 × 3 × 3649 × 881.
Since it has a total of 4 prime factors.
3 , 5 , 35 , 11 , 868 , 37 , 6219 , 6043 , 60771 , 31449 , 64972 , 822268 , 7293292 , 6420681 , 40749055 , 27165214 , 623925447 , 290317385 , 7379558083 , 3899323113
n×2
57865842
n×3
86798763
n×4
115731684
n×5
144664605
n÷2
14466460.5
n÷3
9644307
n÷3
7233230.25
n÷5
5786584.2
n2
837113917592241
n3
2.4220150845697E+22
n4
7.0075971102663E+29
n5
2.0275025359116E+37
2 √n
5378.9330726455
3 √n
306.99461700146
4 √n
73.341209920791
5 √n
31.065507743747
1 , 3 , 9 , 881 , 2643 , 3649 , 7929 , 10947 , 32841 , 3214769 , 9644307 , 28932921
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28932920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28932921 can be divided by 12 positive divisors.
The sum of these divisors (counting 28932921) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101110010111101100111001
3
Ternary
2000102221111200
4
Quaternary
1232113230321
5
Quinary
24401323141
6
Senary
2512044413
8
Octal
156275471
10
Decimal
28932921
12
Duodecimal
9833709
16
Hexadecimal
1b97b39
20
Vigesimal
90gc61
36
Base36
h84s9
md5
fe0ac78b878842baadfdc7ad7771c5fc
sha1
063ebff0c03f1b5c1d6b2234d98d503b6c672da8
sha256
8348ff4d2fe8fa2eb8da6a1a9ef40a2151cce78c13a7056d752d7289c859e7cb
sha512
842adb3ee20cd6c531159bdff45be503723b411628b6f0c8b4c3e04d39043625093493216eeac0b0960ffdb3fd035dc75e5a4b1464ade6995a0e260b8710e3f3
ripemd-160
6e25a256a5e2d1cd8db7c27fc230e255fecd238c
Diameter
57865842
Circumference
181790904.12099
Area
2.6298709337256E+15
Volume
1.014531306209E+23
Surface area
1.0519483734902E+16
Circumference
181790904.12099
Perimeter
115731684
Area
837113917592241
Diagonal
40917329.277269
Surface area
5022683505553446
Volume
2.4220150845697E+22
Space diagonal
50113289.183377
Perimeter
86798763
Area
3.624809592482E+14
Altitude
25056644.591688
Surface area
3.624809592482E+14
Volume
2.8543721507256E+21
Height
13639109.75909