28431311 is an odd 8-digits composite number following 28431310
and preceding 28431312 . In scientific notation, it is written as 2.8431311 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 28030800 positive integers (up to 28431311) that are relatively prime to 28431311.
28431311 has 4 divisors, whose sum is 28831824
The reverse of 28431311 is 11313482
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-eight million four hundred thirty-one thousand three hundred eleven
Scientific notation
2.8431311 × 10^7
Engineering notation
2.8431311 × 10^6
Prime Factorization
71 × 400441
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28431311
Product of the distinct prime numbers
The prime factorization of 28431311 is 71 × 400441.
Since it has a total of 2 prime factors.
7 , 5 , 16 , 16 , 570 , 595 , 235 , 630 , 15852 , 87545 , 942113 , 277436 , 8846291 , 8050114 , 72285048 , 3947628 , 751382208 , 566100771 , 1866549383 , 7007146790
n×2
56862622
n×3
85293933
n×4
113725244
n×5
142156555
n÷2
14215655.5
n÷3
9477103.6666667
n÷3
7107827.75
n÷5
5686262.2
n2
808339445178721
n3
2.2982150159444E+22
n4
6.5341265863184E+29
n5
1.8577378508899E+37
2 √n
5332.1019307586
3 √n
305.21014273707
4 √n
73.021243010227
5 √n
30.957036354784
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
-28431310
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 28431311 can be divided by 4 positive divisors.
The sum of these divisors (counting 28431311) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100011101001111001111
3
Ternary
1222111110102112
4
Quaternary
1230131033033
5
Quinary
24234300221
6
Senary
2453214235
8
Octal
154351717
10
Decimal
28431311
12
Duodecimal
963137b
16
Hexadecimal
1b1d3cf
20
Vigesimal
8hdi5b
36
Base36
gxdqn
md5
75b0a4b6ad0b3d85999fca779ceed37d
sha1
1887748edab996c46e48c6a8bb3eb2bc88819009
sha256
ff00e54fe73e070b6e820dce034c1aff65f87d766f9c502801356eeb29824f2a
sha512
b0a19769db5377f980c72e83b37b504e2d9eeee45717ea39114133869ca6cb54aadb36e4a5ac27aa4c0b1a269e02291fb5b0fb98f4cc5df9e054abad1c7bb98d
ripemd-160
b9910c82041ed32fcf7cabdd919e48362b913c80
Diameter
56862622
Circumference
178639195.53905
Area
2.5394732625803E+15
Volume
9.6267405472808E+22
Surface area
1.0157893050321E+16
Circumference
178639195.53905
Perimeter
113725244
Area
808339445178721
Diagonal
40207945.612247
Surface area
4850036671072326
Volume
2.2982150159444E+22
Space diagonal
49244475.177792
Perimeter
85293933
Area
3.500212472029E+14
Altitude
24622237.588896
Surface area
3.500212472029E+14
Volume
2.708472370665E+21
Height
13402648.537416