28771825 is an odd 8-digits composite number following 28771824
and preceding 28771826 . In scientific notation, it is written as 2.8771825 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors.
There are 23017440 positive integers (up to 28771825) that are relatively prime to 28771825.
28771825 has 6 divisors, whose sum is 35677094
The reverse of 28771825 is 52817782
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million seven hundred seventy-one thousand eight hundred twenty-five
Scientific notation
2.8771825 × 10^7
Engineering notation
2.8771825 × 10^6
Prime Factorization
5 × 5 × 1150873
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
5754365
Product of the distinct prime numbers
The prime factorization of 28771825 is 5 × 5 × 1150873.
Since it has a total of 3 prime factors.
9 , 5 , 72 , 20 , 487 , 524 , 7390 , 2048 , 22748 , 37831 , 656380 , 657126 , 1948458 , 9647674 , 7908438 , 40242284 , 206177105 , 40725881 , 4336214059 , 5091570178
n×2
57543650
n×3
86315475
n×4
115087300
n×5
143859125
n÷2
14385912.5
n÷3
9590608.3333333
n÷3
7192956.25
n÷5
5754365
n2
827817913830625
n3
2.38178321486E+22
n4
6.8528249845889E+29
n5
1.9716828121222E+37
2 √n
5363.9374530283
3 √n
306.42378308323
4 √n
73.238906689193
5 √n
31.030836427078
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28771824
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28771825 can be divided by 6 positive divisors.
The sum of these divisors (counting 28771825) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1101101110000010111110001
3
Ternary
2000010202112011
4
Quaternary
1231300113301
5
Quinary
24331144300
6
Senary
2504402521
8
Octal
155602761
10
Decimal
28771825
12
Duodecimal
9776441
16
Hexadecimal
1b705f1
20
Vigesimal
8jg9b5
36
Base36
h4ohd
md5
5044bd3649ef30513b7c6d7daa34cd96
sha1
2466f4a52629d6ff563793d5874dcbe76e816594
sha256
24abc44f5bd92f9fca3fffd829338455e39d76c7494db882332b48f57994b13a
sha512
9a6c2661f96788d2baf8206bd772db8682ac78d77c2d43103e73833039379722173eec9a8d75972073cd7c07d50299328b4b794eb16cf9ae18c7ff7fd58d0f40
ripemd-160
d09d2febee77369c70d4c8f2a14674418c906a02
Diameter
57543650
Circumference
180778708.10074
Area
2.6006666766003E+15
Volume
9.9767902003301E+22
Surface area
1.0402666706401E+16
Circumference
180778708.10074
Perimeter
115087300
Area
827817913830625
Diagonal
40689505.129225
Surface area
4966907482983750
Volume
2.38178321486E+22
Space diagonal
49834262.72648
Perimeter
86315475
Area
3.5845567154258E+14
Altitude
24917131.36324
Surface area
3.5845567154258E+14
Volume
2.806958437573E+21
Height
13563168.376408