28777918 is an even 8-digits composite number following 28777917
and preceding 28777919 . In scientific notation, it is written as 2.8777918 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 12823776 positive integers (up to 28777918) that are relatively prime to 28777918.
28777918 has 16 divisors, whose sum is 48091680
The reverse of 28777918 is 81977782
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million seven hundred seventy-seven thousand nine hundred eighteen
Scientific notation
2.8777918 × 10^7
Engineering notation
2.8777918 × 10^6
Prime Factorization
2 × 13 × 29 × 38167
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28777918
Product of the distinct prime numbers
The prime factorization of 28777918 is 2 × 13 × 29 × 38167.
Since it has a total of 4 prime factors.
1 , 4 , 87 , 97 , 147 , 172 , 637 , 5432 , 3003 , 58571 , 390983 , 33427 , 3395727 , 6206837 , 20077868 , 14947441 , 840571302 , 950337488 , 6362740749 , 1099867528
n×2
57555836
n×3
86333754
n×4
115111672
n×5
143889590
n÷2
14388959
n÷3
9592639.3333333
n÷3
7194479.5
n÷5
5755583.6
n2
828168564414724
n3
2.3832967036905E+22
n4
6.8586317108474E+29
n5
1.9737714096697E+37
2 √n
5364.5053826052
3 √n
306.44541197806
4 √n
73.242783826157
5 √n
31.032150593785
1 , 2 , 13 , 26 , 29 , 58 , 377 , 754 , 38167 , 76334 , 496171 , 992342 , 1106843 , 2213686 , 14388959 , 28777918
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28777917
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28777918 can be divided by 16 positive divisors.
The sum of these divisors (counting 28777918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101110001110110111110
3
Ternary
2000011001212211
4
Quaternary
1231301312332
5
Quinary
24331343133
6
Senary
2504451034
8
Octal
155616676
10
Decimal
28777918
12
Duodecimal
9779a7a
16
Hexadecimal
1b71dbe
20
Vigesimal
8jh4fi
36
Base36
h4t6m
md5
728edbcd5fc3bc0a0de2e0584b1ccd66
sha1
092a9d1b86fa9a8c9f6da6049d9e8833cccc9dcc
sha256
a36e45a8b8141e4eaad01d711201a1386d36331100f316f95b5ffac9d7b2391e
sha512
c0cad79fab58712e84c32904831d9c865df12345d62d85e721cc150b09bc7bd0ce1bad9baca421281027190479fedf6ca76232d78a17c01ad5f3c0b3a6c9f4b4
ripemd-160
67bc5740375dca2698d0e3ef0377d8c1c4739cc2
Diameter
57555836
Circumference
180816991.54882
Area
2.6017682778993E+15
Volume
9.9831298875183E+22
Surface area
1.0407073111597E+16
Circumference
180816991.54882
Perimeter
115111672
Area
828168564414724
Diagonal
40698121.932461
Surface area
4969011386488344
Volume
2.3832967036905E+22
Space diagonal
49844816.112051
Perimeter
86333754
Area
3.5860750769942E+14
Altitude
24922408.056025
Surface area
3.5860750769942E+14
Volume
2.8087421012651E+21
Height
13566040.644154