28597921 is an odd 8-digits composite number following 28597920
and preceding 28597922 . In scientific notation, it is written as 2.8597921 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 25668240 positive integers (up to 28597921) that are relatively prime to 28597921.
28597921 has 8 divisors, whose sum is 31593600
The reverse of 28597921 is 12979582
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million five hundred ninety-seven thousand nine hundred twenty-one
Scientific notation
2.8597921 × 10^7
Engineering notation
2.8597921 × 10^6
Prime Factorization
11 × 79 × 32909
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28597921
Product of the distinct prime numbers
The prime factorization of 28597921 is 11 × 79 × 32909.
Since it has a total of 3 prime factors.
10 , 8 , 47 , 18 , 651 , 256 , 8508 , 8917 , 67518 , 97989 , 77233 , 919105 , 6741027 , 3790015 , 55705193 , 26258609 , 348519023 , 812377100 , 3931335166 , 3284024607
n×2
57195842
n×3
85793763
n×4
114391684
n×5
142989605
n÷2
14298960.5
n÷3
9532640.3333333
n÷3
7149480.25
n÷5
5719584.2
n2
817841085522241
n3
2.3388554754319E+22
n4
6.688640411682E+29
n5
1.9128121009069E+37
2 √n
5347.7024038366
3 √n
305.80516809989
4 √n
73.127986460976
5 √n
30.993233800688
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
-28597920
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 28597921 can be divided by 8 positive divisors.
The sum of these divisors (counting 28597921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101000101111010100001
3
Ternary
1222210220222021
4
Quaternary
1231011322201
5
Quinary
24310113141
6
Senary
2500541441
8
Octal
155057241
10
Decimal
28597921
12
Duodecimal
96b1881
16
Hexadecimal
1b45ea1
20
Vigesimal
8ieeg1
36
Base36
h0yap
md5
5a60ca64d8f9255a64b982a091a1bee6
sha1
be3774f90294e96ad38708f0779dda18d7ef23c7
sha256
50c9d0c0a37f80801e661ea2969a653fa30281d86e72900d1c43b38619d89e70
sha512
6fbd5115b85c98aa8da8177d014a98a0436439812901135beab03be6c06bed894105464cef0806b0ed665e45e442feb8dab7fcc468e26c726f4bfcd91540a766
ripemd-160
0f860b233da516934ad1a971a1b45eb0c0048639
Diameter
57195842
Circumference
179686037.04308
Area
2.5693235460806E+15
Volume
9.7969749059003E+22
Surface area
1.0277294184322E+16
Circumference
179686037.04308
Perimeter
114391684
Area
817841085522241
Diagonal
40443567.733874
Surface area
4907046513133446
Volume
2.3388554754319E+22
Space diagonal
49533052.162841
Perimeter
85793763
Area
3.5413557816045E+14
Altitude
24766526.08142
Surface area
3.5413557816045E+14
Volume
2.7563676114887E+21
Height
13481189.244625