28821490 is an even 8-digits composite number following 28821489
and preceding 28821491 . In scientific notation, it is written as 2.8821490 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 11528592 positive integers (up to 28821490) that are relatively prime to 28821490.
28821490 has 8 divisors, whose sum is 51878700
The reverse of 28821490 is 09412882
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million eight hundred twenty-one thousand four hundred ninety
Scientific notation
2.8821490 × 10^7
Engineering notation
2.8821490 × 10^6
Prime Factorization
2 × 5 × 2882149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28821490
Product of the distinct prime numbers
The prime factorization of 28821490 is 2 × 5 × 2882149.
Since it has a total of 3 prime factors.
9 , 5 , 61 , 20 , 290 , 923 , 4834 , 8065 , 78575 , 10470 , 257907 , 881916 , 8408062 , 637118 , 76802535 , 51296793 , 915856903 , 611619683 , 6490337404 , 4010768104
n×2
57642980
n×3
86464470
n×4
115285960
n×5
144107450
n÷2
14410745
n÷3
9607163.3333333
n÷3
7205372.5
n÷5
5764298
n2
830678285820100
n3
2.3941385907981E+22
n4
6.9002641453302E+29
n5
1.9887589406199E+37
2 √n
5368.5649851706
3 √n
306.59999469524
4 √n
73.270491912984
5 √n
31.041541924424
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
-28821489
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 28821490 can be divided by 8 positive divisors.
The sum of these divisors (counting 28821490) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101111100011111110010
3
Ternary
2000020021122121
4
Quaternary
1231330133302
5
Quinary
24334241430
6
Senary
2505424454
8
Octal
155743762
10
Decimal
28821490
12
Duodecimal
979b12a
16
Hexadecimal
1b7c7f2
20
Vigesimal
902dea
36
Base36
h5qsy
md5
229b198a96ea53916fa79ef949e85f4e
sha1
97e171548c7ec1ec6d463237a0545359ddd9919a
sha256
3181aa5a4955f9213c577318c54191f45ce85631ff0593aca2f4804bf0dc910c
sha512
9761b4b3b4f0f50ee9b7624d1902cbb5172a251bd7e248adacc24232c22dc8c9a51497f249a6c5e4ad35b8558a98b0628d0ae1214bfad0169cca5614b91aa4c5
ripemd-160
a602a42b682e61b644e90983f83cfe4a33e3a640
Diameter
57642980
Circumference
181090762.49902
Area
2.609652800229E+15
Volume
1.0028544278036E+23
Surface area
1.0438611200916E+16
Circumference
181090762.49902
Perimeter
115285960
Area
830678285820100
Diagonal
40759742.045801
Surface area
4984069714920600
Volume
2.3941385907981E+22
Space diagonal
49920285.029838
Perimeter
86464470
Area
3.5969424894616E+14
Altitude
24960142.514919
Surface area
3.5969424894616E+14
Volume
2.8215193877563E+21
Height
13586580.681934