28298081 is an odd 8-digits composite number following 28298080
and preceding 28298082 . In scientific notation, it is written as 2.8298081 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 22208256 positive integers (up to 28298081) that are relatively prime to 28298081.
28298081 has 16 divisors, whose sum is 35174016
The reverse of 28298081 is 18089282
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million two hundred ninety-eight thousand eighty-one
Scientific notation
2.8298081 × 10^7
Engineering notation
2.8298081 × 10^6
Prime Factorization
7 × 17 × 37 × 6427
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28298081
Product of the distinct prime numbers
The prime factorization of 28298081 is 7 × 17 × 37 × 6427.
Since it has a total of 4 prime factors.
9 , 5 , 67 , 69 , 693 , 375 , 7599 , 3650 , 11172 , 97080 , 198993 , 245441 , 7936356 , 2027443 , 26707243 , 40429989 , 239216990 , 851026814 , 884566862 , 5581516446
n×2
56596162
n×3
84894243
n×4
113192324
n×5
141490405
n÷2
14149040.5
n÷3
9432693.6666667
n÷3
7074520.25
n÷5
5659616.2
n2
800781388282561
n3
2.2660576588912E+22
n4
6.4125083181975E+29
n5
1.8146167980153E+37
2 √n
5319.5940634601
3 √n
304.73265473749
4 √n
72.935547324059
5 √n
30.92796869344
1 , 7 , 17 , 37 , 119 , 259 , 629 , 4403 , 6427 , 44989 , 109259 , 237799 , 764813 , 1664593 , 4042583 , 28298081
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
-28298080
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 28298081 can be divided by 16 positive divisors.
The sum of these divisors (counting 28298081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011111100101101100001
3
Ternary
1222020200200002
4
Quaternary
1223330231201
5
Quinary
24221014311
6
Senary
2450305345
8
Octal
153745541
10
Decimal
28298081
12
Duodecimal
9588255
16
Hexadecimal
1afcb61
20
Vigesimal
8gh541
36
Base36
guixt
md5
6c5efd82e6d75d5c7de24d2d223e685b
sha1
f522fb2a38a663507f964823827537115a418bf9
sha256
12f4f9ff390299a243a012f39c56afba38c32a108044f9854b642fe6a755b2b5
sha512
0b6e629b73c4ec6adc4f74e2f003bf192d23c856f087e63764de0880ef025e08e544da584b22a500c4e432da1071b78ed1384fdfa7669a500fa5a02526232438
ripemd-160
5ab29d588cbab453942874f86ef0e36b2214292e
Diameter
56596162
Circumference
177802086.76058
Area
2.5157289265599E+15
Volume
9.4920401250448E+22
Surface area
1.006291570624E+16
Circumference
177802086.76058
Perimeter
113192324
Area
800781388282561
Diagonal
40019529.939332
Surface area
4804688329695366
Volume
2.2660576588912E+22
Space diagonal
49013714.048699
Perimeter
84894243
Area
3.4674851256523E+14
Altitude
24506857.02435
Surface area
3.4674851256523E+14
Volume
2.6705745619362E+21
Height
13339843.313111