28291408 is an even 8-digits composite number following 28291407
and preceding 28291409 . In scientific notation, it is written as 2.8291408 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors.
There are 13999104 positive integers (up to 28291408) that are relatively prime to 28291408.
28291408 has 20 divisors, whose sum is 55382740
The reverse of 28291408 is 80419282
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million two hundred ninety-one thousand four hundred eight
Scientific notation
2.8291408 × 10^7
Engineering notation
2.8291408 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 97 × 18229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3536426
Product of the distinct prime numbers
The prime factorization of 28291408 is 2 × 2 × 2 × 2 × 97 × 18229.
Since it has a total of 6 prime factors.
6 , 1 , 72 , 58 , 140 , 133 , 3369 , 5908 , 2790 , 49574 , 607968 , 9913 , 8070203 , 7736577 , 84034974 , 88376196 , 124767397 , 433870670 , 3748669684 , 3953000483
n×2
56582816
n×3
84874224
n×4
113165632
n×5
141457040
n÷2
14145704
n÷3
9430469.3333333
n÷3
7072852
n÷5
5658281.6
n2
800403766622464
n3
2.2644549526253E+22
n4
6.4064618962343E+29
n5
1.8124782734282E+37
2 √n
5318.9668169674
3 √n
304.70869974604
4 √n
72.931247191909
5 √n
30.926509924523
1 , 2 , 4 , 8 , 16 , 97 , 194 , 388 , 776 , 1552 , 18229 , 36458 , 72916 , 145832 , 291664 , 1768213 , 3536426 , 7072852 , 14145704 , 28291408
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28291407
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28291408 can be divided by 20 positive divisors.
The sum of these divisors (counting 28291408) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101011111011000101010000
3
Ternary
1222020100111221
4
Quaternary
1223323011100
5
Quinary
24220311113
6
Senary
2450214424
8
Octal
153730520
10
Decimal
28291408
12
Duodecimal
9584414
16
Hexadecimal
1afb150
20
Vigesimal
8gg8a8
36
Base36
gudsg
md5
d55b934ea42662cc44641e192001fe96
sha1
268e727edbf7aa06b7020f1de4acabe126e3b96f
sha256
008fc8ec94c744407db2f1f9f7290d66f0688909d0e21fe345fb7dda4a4359c5
sha512
4288f0f23e21b5f7c722a3d03115663c80d7f5b9a685f0aae08558417697f01c243295f11e9ec14aa4f03d1e4ea0cad77f092db909f172280e1fafaf1da745c1
ripemd-160
4a99294122055b405d89faa59a8713569817f52b
Diameter
56582816
Circumference
177760159.06502
Area
2.5145425931267E+15
Volume
9.4853267247368E+22
Surface area
1.0058170372507E+16
Circumference
177760159.06502
Perimeter
113165632
Area
800403766622464
Diagonal
40010092.892231
Surface area
4802422599734784
Volume
2.2644549526253E+22
Space diagonal
49002156.073661
Perimeter
84874224
Area
3.465849975899E+14
Altitude
24501078.03683
Surface area
3.465849975899E+14
Volume
2.668685754488E+21
Height
13336697.630744