28309621 is an odd 8-digits composite number following 28309620
and preceding 28309622 . In scientific notation, it is written as 2.8309621 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 28298700 positive integers (up to 28309621) that are relatively prime to 28309621.
28309621 has 4 divisors, whose sum is 28320544
The reverse of 28309621 is 12690382
Previous prime number is 4231
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million three hundred nine thousand six hundred twenty-one
Scientific notation
2.8309621 × 10^7
Engineering notation
2.8309621 × 10^6
Prime Factorization
4231 × 6691
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28309621
Product of the distinct prime numbers
The prime factorization of 28309621 is 4231 × 6691.
Since it has a total of 2 prime factors.
2 , 10 , 73 , 39 , 773 , 758 , 1422 , 4882 , 24235 , 5364 , 420078 , 734976 , 7784422 , 6601746 , 84643935 , 88290475 , 924305819 , 172264325 , 1050931782 , 3026365203
n×2
56619242
n×3
84928863
n×4
113238484
n×5
141548105
n÷2
14154810.5
n÷3
9436540.3333333
n÷3
7077405.25
n÷5
5661924.2
n2
801434641163641
n3
2.2688310947614E+22
n4
6.4229748405709E+29
n5
1.818319834291E+37
2 √n
5320.6786221308
3 √n
304.77407258625
4 √n
72.942981993683
5 √n
30.930490776501
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
-28309620
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 28309621 can be divided by 4 positive divisors.
The sum of these divisors (counting 28309621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011111111100001110101
3
Ternary
1222021021111111
4
Quaternary
1223333201311
5
Quinary
24221401441
6
Senary
2450435021
8
Octal
153774165
10
Decimal
28309621
12
Duodecimal
9592a71
16
Hexadecimal
1aff875
20
Vigesimal
8gie11
36
Base36
gurud
md5
cfe1e13084ca15139a1f35a27ffeef07
sha1
77f4443f3a6c00614c47473e97bc3979b37c1cad
sha256
f34cc26af595b15df35b04343bd1a2475639ad6ba3b32dc5deb001aab99c5a19
sha512
d28e77ea58bb29f359080815ab4c972af78a37985cab9e7298ba8e3d808fe0e67a6850bbbe0f4044863472bbf0a2bce18f69117aaae839dfe05f64fce6b50f13
ripemd-160
9844d834383508574ff44bc1bcc3a527a922b7d9
Diameter
56619242
Circumference
177874594.71902
Area
2.5177811810121E+15
Volume
9.5036574660512E+22
Surface area
1.0071124724048E+16
Circumference
177874594.71902
Perimeter
113238484
Area
801434641163641
Diagonal
40035849.963842
Surface area
4808607846981846
Volume
2.2688310947614E+22
Space diagonal
49033701.915019
Perimeter
84928863
Area
3.4703137936029E+14
Altitude
24516850.957509
Surface area
3.4703137936029E+14
Volume
2.6738430874544E+21
Height
13345283.321281