28689968 is an even 8-digits composite number following 28689967
and preceding 28689969 . In scientific notation, it is written as 2.8689968 × 10^7.
The sum of its digits is 56. It has a total of 5 prime factors and 10 positive divisors.
There are 14344976 positive integers (up to 28689968) that are relatively prime to 28689968.
28689968 has 10 divisors, whose sum is 55586844
The reverse of 28689968 is 86998682
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
twenty-eight million six hundred eighty-nine thousand nine hundred sixty-eight
Scientific notation
2.8689968 × 10^7
Engineering notation
2.8689968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1793123
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3586246
Product of the distinct prime numbers
The prime factorization of 28689968 is 2 × 2 × 2 × 2 × 1793123.
Since it has a total of 5 prime factors.
4 , 1 , 42 , 57 , 147 , 379 , 7086 , 6060 , 37678 , 91798 , 259931 , 39686 , 3944127 , 4362786 , 9044504 , 24649901 , 13035432 , 99991053 , 5961065101 , 9861972055
n×2
57379936
n×3
86069904
n×4
114759872
n×5
143449840
n÷2
14344984
n÷3
9563322.6666667
n÷3
7172492
n÷5
5737993.6
n2
823114263841024
n3
2.3615121889943E+22
n4
6.7751709133855E+29
n5
1.9437943669956E+37
2 √n
5356.301709202
3 √n
306.13291106291
4 √n
73.186759111208
5 √n
31.013159503307
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
-28689967
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 28689968 can be divided by 10 positive divisors.
The sum of these divisors (counting 28689968) is 1, the average is 0.1.
Base
System
Value
2
Binary
1101101011100011000110000
3
Ternary
1222222121020102
4
Quaternary
1231130120300
5
Quinary
24321034333
6
Senary
2502531532
8
Octal
155343060
10
Decimal
28689968
12
Duodecimal
9736ba8
16
Hexadecimal
1b5c630
20
Vigesimal
8j64i8
36
Base36
h2xbk
md5
913f805a2daf9d1b63308670dc66cf0e
sha1
c0d5ac194b5bd66d2a190147d4efe0481587bca4
sha256
8a409be372d4846aeb858970b70773bcd95b901b537e97c99ea6d1465359b8bb
sha512
a6445e5d2ce639e13f91c1619ef38e983b8b5895d22682b32e72b3b5585728c739a89c1a26135159bd60889058d19e62d96140acc5fae7506f7531a08ad589d8
ripemd-160
77c89566e38ee9899fe03fb029aa4bd55c39182d
Diameter
57379936
Circumference
180264385.40105
Area
2.5858897243479E+15
Volume
9.8918791257428E+22
Surface area
1.0343558897392E+16
Circumference
180264385.40105
Perimeter
114759872
Area
823114263841024
Diagonal
40573741.84965
Surface area
4938685583046144
Volume
2.3615121889943E+22
Space diagonal
49692482.243525
Perimeter
86069904
Area
3.5641893135183E+14
Altitude
24846241.121763
Surface area
3.5641893135183E+14
Volume
2.7830688044875E+21
Height
13524580.61655