28438772 is an even 8-digits composite number following 28438771
and preceding 28438773 . In scientific notation, it is written as 2.8438772 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 14078400 positive integers (up to 28438772) that are relatively prime to 28438772.
28438772 has 12 divisors, whose sum is 50261316
The reverse of 28438772 is 27783482
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million four hundred thirty-eight thousand seven hundred seventy-two
Scientific notation
2.8438772 × 10^7
Engineering notation
2.8438772 × 10^6
Prime Factorization
2 × 2 × 101 × 70393
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14219386
Product of the distinct prime numbers
The prime factorization of 28438772 is 2 × 2 × 101 × 70393.
Since it has a total of 4 prime factors.
5 , 8 , 40 , 49 , 441 , 109 , 8840 , 5169 , 41185 , 46107 , 7116 , 857079 , 9449687 , 5487692 , 27467840 , 24413053 , 319860085 , 438126941 , 8901377071 , 1164353862
n×2
56877544
n×3
85316316
n×4
113755088
n×5
142193860
n÷2
14219386
n÷3
9479590.6666667
n÷3
7109693
n÷5
5687754.4
n2
808763752867984
n3
2.3000247969677E+22
n4
6.5409880795311E+29
n5
1.860176686485E+37
2 √n
5332.8015151513
3 √n
305.23683834871
4 √n
73.026033133064
5 √n
30.958660945415
1 , 2 , 4 , 101 , 202 , 404 , 70393 , 140786 , 281572 , 7109693 , 14219386 , 28438772
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28438771
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28438772 can be divided by 12 positive divisors.
The sum of these divisors (counting 28438772) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101100011111000011110100
3
Ternary
1222111211122212
4
Quaternary
1230133003310
5
Quinary
24240020042
6
Senary
2453312552
8
Octal
154370364
10
Decimal
28438772
12
Duodecimal
9635758
16
Hexadecimal
1b1f0f4
20
Vigesimal
8hegic
36
Base36
gxjhw
md5
8e27643036958ec33557d7137f75f43f
sha1
3ad72c3953fa7caed7b07ed00a74f68d753a160e
sha256
c46a9221531d3384a72afe039f866fe7a250848989151f77affebd124a789234
sha512
546e8093bf0616b39e0a0407d3b6042806ef93e1d35f055e37d2ab08a0e0fd22cbcff10577529de199c64850bf6ce3b34c14e5e17f0a879dbed5833607a8c8cd
ripemd-160
aa6bcb7700b44e9947c548d76ee3ee03d5dcd91a
Diameter
56877544
Circumference
178686074.38463
Area
2.5408062644998E+15
Volume
9.6343213403041E+22
Surface area
1.0163225057999E+16
Circumference
178686074.38463
Perimeter
113755088
Area
808763752867984
Diagonal
40218497.059636
Surface area
4852582517207904
Volume
2.3000247969677E+22
Space diagonal
49257398.008867
Perimeter
85316316
Area
3.5020497782186E+14
Altitude
24628699.004434
Surface area
3.5020497782186E+14
Volume
2.7106052180551E+21
Height
13406165.686545