28438768 is an even 8-digits composite number following 28438767
and preceding 28438769 . In scientific notation, it is written as 2.8438768 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 10 positive divisors.
There are 14219376 positive integers (up to 28438768) that are relatively prime to 28438768.
28438768 has 10 divisors, whose sum is 55100144
The reverse of 28438768 is 86783482
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million four hundred thirty-eight thousand seven hundred sixty-eight
Scientific notation
2.8438768 × 10^7
Engineering notation
2.8438768 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1777423
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3554846
Product of the distinct prime numbers
The prime factorization of 28438768 is 2 × 2 × 2 × 2 × 1777423.
Since it has a total of 5 prime factors.
7 , 1 , 92 , 69 , 451 , 394 , 5027 , 3573 , 54318 , 18508 , 290474 , 964237 , 3868386 , 9829904 , 71952361 , 77980009 , 474259918 , 825843000 , 9919330914 , 975300213
n×2
56877536
n×3
85316304
n×4
113755072
n×5
142193840
n÷2
14219384
n÷3
9479589.3333333
n÷3
7109692
n÷5
5687753.6
n2
808763525357824
n3
2.3000238264513E+22
n4
6.5409843994922E+29
n5
1.8601753782878E+37
2 √n
5332.8011401139
3 √n
305.23682403788
4 √n
73.02603056523
5 √n
30.958660074529
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28438767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28438768 can be divided by 10 positive divisors.
The sum of these divisors (counting 28438768) is 1, the average is 0.1.
Base
System
Value
2
Binary
1101100011111000011110000
3
Ternary
1222111211122201
4
Quaternary
1230133003300
5
Quinary
24240020033
6
Senary
2453312544
8
Octal
154370360
10
Decimal
28438768
12
Duodecimal
9635754
16
Hexadecimal
1b1f0f0
20
Vigesimal
8hegi8
36
Base36
gxjhs
md5
4b167a07d531a1b12fe4efa99630d77c
sha1
d074f3309f950fc9611b2e53821e3bf21262058a
sha256
d8fd42f0907542e8c47344a8269fa8c0edf2e4788761f89215af1f245a189441
sha512
b5056ec079cb53edbe902d0945b51fd4afe4f316a117e9a00f4ed9eed3ed750c3848b7ef1f5b5fcbb7e2183b199d7836c9c320c6af710c2e4dfc1f32f9af8eee
ripemd-160
dd1907373e6a1b32c9eac85155ff3c806222a521
Diameter
56877536
Circumference
178686049.25189
Area
2.5408055497555E+15
Volume
9.6343172750146E+22
Surface area
1.0163222199022E+16
Circumference
178686049.25189
Perimeter
113755072
Area
808763525357824
Diagonal
40218491.402782
Surface area
4852581152146944
Volume
2.3000238264513E+22
Space diagonal
49257391.080664
Perimeter
85316304
Area
3.5020487930707E+14
Altitude
24628695.540332
Surface area
3.5020487930707E+14
Volume
2.7106040742906E+21
Height
13406163.800927