28304891 is an odd 8-digits composite number following 28304890
and preceding 28304892 . In scientific notation, it is written as 2.8304891 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 27106560 positive integers (up to 28304891) that are relatively prime to 28304891.
28304891 has 8 divisors, whose sum is 29522304
The reverse of 28304891 is 19840382
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million three hundred four thousand eight hundred ninety-one
Scientific notation
2.8304891 × 10^7
Engineering notation
2.8304891 × 10^6
Prime Factorization
31 × 97 × 9413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28304891
Product of the distinct prime numbers
The prime factorization of 28304891 is 31 × 97 × 9413.
Since it has a total of 3 prime factors.
5 , 3 , 10 , 52 , 210 , 636 , 2749 , 3715 , 83691 , 49419 , 190037 , 124551 , 6566673 , 4104255 , 77017244 , 83037954 , 724563013 , 123463318 , 8172681381 , 9130994875
n×2
56609782
n×3
84914673
n×4
113219564
n×5
141524455
n÷2
14152445.5
n÷3
9434963.6666667
n÷3
7076222.75
n÷5
5660978.2
n2
801166854521881
n3
2.2676940490055E+22
n4
6.4186832878448E+29
n5
1.8168013082597E+37
2 √n
5320.2341113902
3 √n
304.75709765444
4 √n
72.939934956032
5 √n
30.929457127905
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28304890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28304891 can be divided by 8 positive divisors.
The sum of these divisors (counting 28304891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011111110010111111011
3
Ternary
1222021001000022
4
Quaternary
1223332113323
5
Quinary
24221224031
6
Senary
2450401055
8
Octal
153762773
10
Decimal
28304891
12
Duodecimal
959018b
16
Hexadecimal
1afe5fb
20
Vigesimal
8gi24b
36
Base36
guo6z
md5
ab89d51fa210e6d6088d3eb3c9eab93c
sha1
5ec9dbd5fad8d425d00ee730a3bcffeb5b1cf498
sha256
4e8678a81bdbf128207d1b956da8f5146bdba2aae35c75c0d1503e9786db506d
sha512
eab8c6ae82e0d2daafe7b6b65aefd0368ad7f0b6751d954c9b39fe83a240386b09c5d5a850f018fbce9aa294ed18814e69377ad47b427794570a52eae2732d90
ripemd-160
1c0529931a62fb2d36e54ae55a2e94392dad29c9
Diameter
56609782
Circumference
177844875.25252
Area
2.5169399044656E+15
Volume
9.4988946199265E+22
Surface area
1.0067759617862E+16
Circumference
177844875.25252
Perimeter
113219564
Area
801166854521881
Diagonal
40029160.733692
Surface area
4807001127131286
Volume
2.2676940490055E+22
Space diagonal
49025509.314699
Perimeter
84914673
Area
3.4691542434301E+14
Altitude
24512754.65735
Surface area
3.4691542434301E+14
Volume
2.6725030661802E+21
Height
13343053.577897