28490655 is an odd 8-digits composite number following 28490654
and preceding 28490656 . In scientific notation, it is written as 2.8490655 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 15195008 positive integers (up to 28490655) that are relatively prime to 28490655.
28490655 has 4 divisors, whose sum is 30390048
The reverse of 28490655 is 55609482
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million four hundred ninety thousand six hundred fifty-five
Scientific notation
2.8490655 × 10^7
Engineering notation
2.8490655 × 10^6
Prime Factorization
15 × 1899377
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28490655
Product of the distinct prime numbers
The prime factorization of 28490655 is 15 × 1899377.
Since it has a total of 2 prime factors.
1 , 6 , 10 , 88 , 18 , 704 , 8172 , 4745 , 76298 , 42763 , 4977 , 260180 , 4482288 , 3955269 , 27238783 , 90506012 , 753801768 , 310615044 , 5623615384 , 9914624725
n×2
56981310
n×3
85471965
n×4
113962620
n×5
142453275
n÷2
14245327.5
n÷3
9496885
n÷3
7122663.75
n÷5
5698131
n2
811717422329025
n3
2.3126361037066E+22
n4
6.5888517371248E+29
n5
1.8772070168857E+37
2 √n
5337.6638148164
3 √n
305.42234778862
4 √n
73.059317097933
5 √n
30.969948755886
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28490654
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28490655 can be divided by 4 positive divisors.
The sum of these divisors (counting 28490655) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100101011101110011111
3
Ternary
1222121110211110
4
Quaternary
1230223232133
5
Quinary
24243200110
6
Senary
2454353103
8
Octal
154535637
10
Decimal
28490655
12
Duodecimal
965b793
16
Hexadecimal
1b2bb9f
20
Vigesimal
8i16cf
36
Base36
gynj3
md5
2b15c8b1e21b773e36d852511a4b52c1
sha1
2f2573cb0180bc7432d1553c94b76b1f91efe3b2
sha256
e911c7fa7e766e2aee2f31500a1d587f7c789489705d418090f396c17c18ebce
sha512
6643d0724713beae4be58132bc2afe2006f8a31dbb7449fc1bb071335875114839841036929dde1c0f839e630d88e56cc949646a20a414455c8d705eaa3810dd
ripemd-160
65c9a7e4c6f10d2655bfa185148978ef8e326844
Diameter
56981310
Circumference
179012064.88792
Area
2.5500854907797E+15
Volume
9.6871474584414E+22
Surface area
1.0200341963119E+16
Circumference
179012064.88792
Perimeter
113962620
Area
811717422329025
Diagonal
40291870.701893
Surface area
4870304533974150
Volume
2.3126361037066E+22
Space diagonal
49347262.000916
Perimeter
85471965
Area
3.5148395421568E+14
Altitude
24673631.000458
Surface area
3.5148395421568E+14
Volume
2.7254677855796E+21
Height
13430623.567298