28440138 is an even 8-digits composite number following 28440137
and preceding 28440139 . In scientific notation, it is written as 2.8440138 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 9480044 positive integers (up to 28440138) that are relatively prime to 28440138.
28440138 has 8 divisors, whose sum is 56880288
The reverse of 28440138 is 83104482
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million four hundred forty thousand one hundred thirty-eight
Scientific notation
2.8440138 × 10^7
Engineering notation
2.8440138 × 10^6
Prime Factorization
2 × 3 × 4740023
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28440138
Product of the distinct prime numbers
The prime factorization of 28440138 is 2 × 3 × 4740023.
Since it has a total of 3 prime factors.
2 , 3 , 88 , 96 , 533 , 790 , 7422 , 9281 , 38049 , 68100 , 294044 , 307737 , 9664929 , 9286037 , 39291671 , 39741504 , 283328329 , 178319042 , 9320168221 , 6896294178
n×2
56880276
n×3
85320414
n×4
113760552
n×5
142200690
n÷2
14220069
n÷3
9480046
n÷3
7110034.5
n÷5
5688027.6
n2
808841449459044
n3
2.3003562442735E+22
n4
6.5422449036301E+29
n5
1.8606234788904E+37
2 √n
5332.9295888845
3 √n
305.24172541914
4 √n
73.026910032429
5 √n
30.958958347274
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28440137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28440138 can be divided by 8 positive divisors.
The sum of these divisors (counting 28440138) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100011111011001001010
3
Ternary
1222111220112110
4
Quaternary
1230133121022
5
Quinary
24240041023
6
Senary
2453323150
8
Octal
154373112
10
Decimal
28440138
12
Duodecimal
96364b6
16
Hexadecimal
1b1f64a
20
Vigesimal
8hf06i
36
Base36
gxkju
md5
b13e74ca1de312516df0f533fa41b96a
sha1
5fd11b3ef6224a6cb8248e56073db1f05db8ce9f
sha256
aac161c640d116d7bee50e7e6b3523641ecd75ec4102a3e899a65777842a3973
sha512
9b19ba8b11ce73cb5a07cf529b0b7e00cc562b5700dd1d1b9b2dd714f91f284c483ed9871e723e9f003971e91450f6158ba945685d94115ebc5ec917bfcc40d3
ripemd-160
6b16db38322ecb4cbae18b349e73a5e8956a1088
Diameter
56880276
Circumference
178694657.21576
Area
2.5410503555395E+15
Volume
9.6357097035321E+22
Surface area
1.0164201422158E+16
Circumference
178694657.21576
Perimeter
113760552
Area
808841449459044
Diagonal
40220428.875362
Surface area
4853048696754264
Volume
2.3003562442735E+22
Space diagonal
49259763.99027
Perimeter
85320414
Area
3.5023862143268E+14
Altitude
24629881.995135
Surface area
3.5023862143268E+14
Volume
2.710995832451E+21
Height
13406809.625121