28331251 is an odd 8-digits composite number following 28331250
and preceding 28331252 . In scientific notation, it is written as 2.8331251 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 26151912 positive integers (up to 28331251) that are relatively prime to 28331251.
28331251 has 4 divisors, whose sum is 30510592
The reverse of 28331251 is 15213382
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-eight million three hundred thirty-one thousand two hundred fifty-one
Scientific notation
2.8331251 × 10^7
Engineering notation
2.8331251 × 10^6
Prime Factorization
13 × 2179327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28331251
Product of the distinct prime numbers
The prime factorization of 28331251 is 13 × 2179327.
Since it has a total of 2 prime factors.
9 , 1 , 95 , 47 , 279 , 270 , 4841 , 6309 , 31687 , 97835 , 137958 , 946417 , 7154847 , 4306233 , 73958687 , 97695222 , 900675543 , 20701893 , 1181269176 , 679705948
n×2
56662502
n×3
84993753
n×4
113325004
n×5
141656255
n÷2
14165625.5
n÷3
9443750.3333333
n÷3
7082812.75
n÷5
5666250.2
n2
802659783225001
n3
2.2740355786153E+22
n4
6.4426272760681E+29
n5
1.8252769045773E+37
2 √n
5322.7108694724
3 √n
304.85167382483
4 √n
72.956911046675
5 √n
30.93521582839
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
-28331250
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 28331251 can be divided by 4 positive divisors.
The sum of these divisors (counting 28331251) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100000100110011110011
3
Ternary
1222022101011121
4
Quaternary
1230010303303
5
Quinary
24223100001
6
Senary
2451123111
8
Octal
154046363
10
Decimal
28331251
12
Duodecimal
95a3497
16
Hexadecimal
1b04cf3
20
Vigesimal
8h182b
36
Base36
gv8j7
md5
be0cdafaa128e0a50ba73cebfea69459
sha1
2a7552a3c6073e43bee0fe04c2d73638d4317e2a
sha256
45ccabde3acd2ec5af9f1afc59abf6f680ef5ebdabae42e06c72810e80b93f97
sha512
4aa7cec7f1c4169467939d1ecac5fc6c9919cf2f42b795c83663de7365b75d3e363b63aab7f7708def453a7483823419a16d1ee72145340e4c9dd280c90181ed
ripemd-160
5cc87da15b76358eac4463fb893d78ea96f19648
Diameter
56662502
Circumference
178010500.01722
Area
2.5216300783116E+15
Volume
9.5254579570396E+22
Surface area
1.0086520313247E+16
Circumference
178010500.01722
Perimeter
113325004
Area
802659783225001
Diagonal
40066439.403196
Surface area
4815958699350006
Volume
2.2740355786153E+22
Space diagonal
49071166.173987
Perimeter
84993753
Area
3.4756188143448E+14
Altitude
24535583.086993
Surface area
3.4756188143448E+14
Volume
2.6799766304973E+21
Height
13355479.801065