28304889 is an odd 8-digits composite number following 28304888
and preceding 28304890 . In scientific notation, it is written as 2.8304889 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 17392320 positive integers (up to 28304889) that are relatively prime to 28304889.
28304889 has 16 divisors, whose sum is 40802880
The reverse of 28304889 is 98840382
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million three hundred four thousand eight hundred eighty-nine
Scientific notation
2.8304889 × 10^7
Engineering notation
2.8304889 × 10^6
Prime Factorization
3 × 19 × 37 × 13421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28304889
Product of the distinct prime numbers
The prime factorization of 28304889 is 3 × 19 × 37 × 13421.
Since it has a total of 4 prime factors.
8 , 10 , 21 , 61 , 572 , 24 , 4040 , 2378 , 91316 , 71022 , 279327 , 902517 , 1877002 , 8260780 , 42569237 , 47899610 , 691774078 , 463298579 , 3487481307 , 7273615104
n×2
56609778
n×3
84914667
n×4
113219556
n×5
141524445
n÷2
14152444.5
n÷3
9434963
n÷3
7076222.25
n÷5
5660977.8
n2
801166741302321
n3
2.2676935683054E+22
n4
6.4186814736898E+29
n5
1.8168006663915E+37
2 √n
5320.2339234286
3 √n
304.75709047648
4 √n
72.939933667563
5 √n
30.929456690815
1 , 3 , 19 , 37 , 57 , 111 , 703 , 2109 , 13421 , 40263 , 254999 , 496577 , 764997 , 1489731 , 9434963 , 28304889
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
-28304888
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 28304889 can be divided by 16 positive divisors.
The sum of these divisors (counting 28304889) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011111110010111111001
3
Ternary
1222021001000020
4
Quaternary
1223332113321
5
Quinary
24221224024
6
Senary
2450401053
8
Octal
153762771
10
Decimal
28304889
12
Duodecimal
9590189
16
Hexadecimal
1afe5f9
20
Vigesimal
8gi249
36
Base36
guo6x
md5
037ad7d0ac5ab0db1fec80c37d4dc3ac
sha1
a1b50918acc0dfc44884530cbb985a54f2898153
sha256
3d9a1caf826f99a6f7f86e6681aa453b47fc0ed1b7396df19e9c10b3f662db8d
sha512
5c3f1c4386011f004fbbb77b388e7803fb3340fc1c13e0981fbc7472bf06f98fd6078b00468bb86ce7fa6480ecc941d54b3401fed2df13f7b0e24d3ba6b7012e
ripemd-160
e15c7c6503ee331db719d69fec213398515296a8
Diameter
56609778
Circumference
177844862.68615
Area
2.5169395487758E+15
Volume
9.4988926063747E+22
Surface area
1.0067758195103E+16
Circumference
177844862.68615
Perimeter
113219556
Area
801166741302321
Diagonal
40029157.905265
Surface area
4807000447813926
Volume
2.2676935683054E+22
Space diagonal
49025505.850597
Perimeter
84914667
Area
3.469153753175E+14
Altitude
24512752.925299
Surface area
3.469153753175E+14
Volume
2.6725024996698E+21
Height
13343052.635088