28168421 is an odd 8-digits prime number following 28168420
and preceding 28168422 . In scientific notation, it is written as 2.8168421 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 28168420 positive integers (up to 28168421) that are relatively prime to 28168421.
28168421 has 2 divisors, whose sum is 28168422
The reverse of 28168421 is 12486182
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 32 Digital Root 5
Name
twenty-eight million one hundred sixty-eight thousand four hundred twenty-one
Scientific notation
2.8168421 × 10^7
Engineering notation
2.8168421 × 10^6
Prime Factorization
28168421
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28168421 Product of the distinct prime numbers
The prime factorization of 28168421 is 28168421.
Since it has a total of 1 prime factors.
3 , 5 , 59 , 27 , 106 , 985 , 4580 , 7169 , 63840 , 85063 , 873333 , 579658 , 9319951 , 7315459 , 55314916 , 37911190 , 316903638 , 659903946 , 3742255398 , 9987667216
n×2
56336842
n×3
84505263
n×4
112673684
n×5
140842105
n÷2
14084210.5
n÷3
9389473.6666667
n÷3
7042105.25
n÷5
5633684.2
n2
793459941633241
n3
2.2350513682561E+22
n4
6.2957867897663E+29
n5
1.7734237282037E+37
2 √n5307.393051207
3 √n304.26652022357
4 √n72.851856882354
5 √n30.899574610198
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28168422 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14084211 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5307.3931454152 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999289985 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28168421 can be divided by 2 positive divisors.
The sum of these divisors (counting 28168421) is 28168422, the average is 14084211.
Base
System
Value
2
Binary
1101011011101000011100101
3
Ternary
1222000002210212
4
Quaternary
1223131003211
5
Quinary
24202342141
6
Senary
2443425205
8
Octal
153350345
10
Decimal
28168421
12
Duodecimal
9525205
16
Hexadecimal
1add0e5
20
Vigesimal
8g1111
36
Base36
grqw5
md5
02c3ad9034ff64011a8f5c0cddc8c174
sha1
7153deb4e972f32a301140f4f8cf3a3d2df03b03
sha256
749c9c3b6c9ed8373744b984e2ddbc5b6b92835a079fc71c03fd6fb5e68e51a0
sha512
450d52c248cf20e34a293cb81d847bd7376b515cb40a7e740abb96028783888e7e4ea599e2a98d6256f54db4a2b989cf20233cb15bce49231cb6afc14ea5071d
ripemd-160
aca1063b6ecdb23e87ec71271c66f0a0bf8113a2
Diameter
56336842
Circumference
176987408.95365
Area
2.4927279235528E+15
Volume
9.3621612785454E+22
Surface area
9.9709116942111E+15
Circumference
176987408.95365
Perimeter
112673684
Area
793459941633241
Diagonal
39836163.008835
Surface area
4760759649799446
Volume
2.2350513682561E+22
Space diagonal
48789136.34099
Perimeter
84505263
Area
3.4357823316985E+14
Altitude
24394568.170495
Surface area
3.4357823316985E+14
Volume
2.6340332979902E+21
Height
13278721.002945