28298381 is an odd 8-digits composite number following 28298380
and preceding 28298382 . In scientific notation, it is written as 2.8298381 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 27385500 positive integers (up to 28298381) that are relatively prime to 28298381.
28298381 has 4 divisors, whose sum is 29211264
The reverse of 28298381 is 18389282
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million two hundred ninety-eight thousand three hundred eighty-one
Scientific notation
2.8298381 × 10^7
Engineering notation
2.8298381 × 10^6
Prime Factorization
31 × 912851
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28298381
Product of the distinct prime numbers
The prime factorization of 28298381 is 31 × 912851.
Since it has a total of 2 prime factors.
6 , 8 , 91 , 73 , 895 , 706 , 2332 , 9233 , 11191 , 7697 , 933564 , 501534 , 9017840 , 262492 , 10967680 , 76309667 , 31436513 , 443767002 , 282926540 , 6216270151
n×2
56596762
n×3
84895143
n×4
113193524
n×5
141491905
n÷2
14149190.5
n÷3
9432793.6666667
n÷3
7074595.25
n÷5
5659676.2
n2
800798367221161
n3
2.2661297299802E+22
n4
6.4127802494408E+29
n5
1.8147129876795E+37
2 √n
5319.6222610257
3 √n
304.73373160054
4 √n
72.935740628485
5 √n
30.928034269273
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28298380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28298381 can be divided by 4 positive divisors.
The sum of these divisors (counting 28298381) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011111100110010001101
3
Ternary
1222020201002012
4
Quaternary
1223330302031
5
Quinary
24221022011
6
Senary
2450311005
8
Octal
153746215
10
Decimal
28298381
12
Duodecimal
9588465
16
Hexadecimal
1afcc8d
20
Vigesimal
8gh5j1
36
Base36
guj65
md5
91a696671b4ef9ad7b8a706dfb2d1a40
sha1
8e0467f5519ff65d3c5057074cf2e375732fd3e8
sha256
29ce14a09bd78a284a9522608aa3b5a78e400b7cb75e18c07cc29462549aa9fc
sha512
92895960e6bda65737aef5af2b8eb16515f785a0588464e6ddb98ff8151dc0d2b2f4523eda56b62d320c57715e6b88b101dedbb497a54bc81ffae4119535ebf4
ripemd-160
31f12132cadfa3aea6bc8d54d858b6e1eddd4716
Diameter
56596762
Circumference
177803971.71617
Area
2.5157822674687E+15
Volume
9.4923420157164E+22
Surface area
1.0063129069875E+16
Circumference
177803971.71617
Perimeter
113193524
Area
800798367221161
Diagonal
40019954.203401
Surface area
4804790203326966
Volume
2.2661297299802E+22
Space diagonal
49014233.663942
Perimeter
84895143
Area
3.4675586466131E+14
Altitude
24507116.831971
Surface area
3.4675586466131E+14
Volume
2.6706594985291E+21
Height
13339984.734467