28494290 is an even 8-digits composite number following 28494289
and preceding 28494291 . In scientific notation, it is written as 2.8494290 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 10361120 positive integers (up to 28494290) that are relatively prime to 28494290.
28494290 has 16 divisors, whose sum is 47476800
The reverse of 28494290 is 09249482
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million four hundred ninety-four thousand two hundred ninety
Scientific notation
2.8494290 × 10^7
Engineering notation
2.8494290 × 10^6
Prime Factorization
2 × 55 × 11 × 23549
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28494290
Product of the distinct prime numbers
The prime factorization of 28494290 is 2 × 55 × 11 × 23549.
Since it has a total of 4 prime factors.
7 , 8 , 84 , 13 , 639 , 308 , 226 , 6076 , 90265 , 66754 , 977318 , 673858 , 201185 , 8845968 , 42679837 , 18828653 , 24041354 , 495976687 , 183632071 , 4176112728
n×2
56988580
n×3
85482870
n×4
113977160
n×5
142471450
n÷2
14247145
n÷3
9498096.6666667
n÷3
7123572.5
n÷5
5698858
n2
811924562604100
n3
2.3135213944964E+22
n4
6.5922149535986E+29
n5
1.8784048463017E+37
2 √n
5338.0043087281
3 √n
305.43533641035
4 √n
73.061647317372
5 √n
30.970738980042
1 , 2 , 11 , 22 , 55 , 110 , 605 , 1210 , 23549 , 47098 , 259039 , 518078 , 1295195 , 2590390 , 14247145 , 28494290
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
-28494289
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 28494290 can be divided by 16 positive divisors.
The sum of these divisors (counting 28494290) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100101100100111010010
3
Ternary
1222121122211002
4
Quaternary
1230230213102
5
Quinary
24243304130
6
Senary
2454422002
8
Octal
154544722
10
Decimal
28494290
12
Duodecimal
9661902
16
Hexadecimal
1b2c9d2
20
Vigesimal
8i1fea
36
Base36
gyqc2
md5
1230ac2458dfdc90a0085ee7c1f46f91
sha1
897f6ff3676cf72325ca497892e212c904308d35
sha256
ff41417fb40dc3f132646c488c0532dbea50d06bed11b4a1546b7852ad2463b7
sha512
0d9f1e4407c5ce11c58aea5eed4cb0c8a4e49296a3c77b11f2f65e60cab116568d185da0f217cccf76f310f79b86c361bbc09d3b3ff6eea2c107b00546b32923
ripemd-160
d01d1366276aa140958b16a32fe1fb2c52a61590
Diameter
56988580
Circumference
179034904.26651
Area
2.5507362411461E+15
Volume
9.6908557558304E+22
Surface area
1.0202944964585E+16
Circumference
179034904.26651
Perimeter
113977160
Area
811924562604100
Diagonal
40297011.368192
Surface area
4871547375624600
Volume
2.3135213944964E+22
Space diagonal
49353558.005602
Perimeter
85482870
Area
3.5157364858586E+14
Altitude
24676779.002801
Surface area
3.5157364858586E+14
Volume
2.726511110781E+21
Height
13432337.122731