28168420 is an even 8-digits composite number following 28168419
and preceding 28168421 . In scientific notation, it is written as 2.8168420 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 9657696 positive integers (up to 28168420) that are relatively prime to 28168420.
28168420 has 12 divisors, whose sum is 50703408
The reverse of 28168420 is 02486182
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million one hundred sixty-eight thousand four hundred twenty
Scientific notation
2.8168420 × 10^7
Engineering notation
2.8168420 × 10^6
Prime Factorization
2 × 2 × 35 × 201203
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14084210
Product of the distinct prime numbers
The prime factorization of 28168420 is 2 × 2 × 35 × 201203.
Since it has a total of 4 prime factors.
4 , 3 , 73 , 63 , 901 , 616 , 4021 , 6401 , 33258 , 61842 , 40190 , 331008 , 8969408 , 5926593 , 71340962 , 68781065 , 786390155 , 237782107 , 635193636 , 902578880
n×2
56336840
n×3
84505260
n×4
112673680
n×5
140842100
n÷2
14084210
n÷3
9389473.3333333
n÷3
7042105
n÷5
5633684
n2
793459885296400
n3
2.2350511302181E+22
n4
6.2957858957458E+29
n5
1.7734234134144E+37
2 √n
5307.3929569988
3 √n
304.26651662301
4 √n
72.85185623578
5 √n
30.899574390806
1 , 2 , 4 , 35 , 70 , 140 , 201203 , 402406 , 804812 , 7042105 , 14084210 , 28168420
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28168419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28168420 can be divided by 12 positive divisors.
The sum of these divisors (counting 28168420) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011011101000011100100
3
Ternary
1222000002210211
4
Quaternary
1223131003210
5
Quinary
24202342140
6
Senary
2443425204
8
Octal
153350344
10
Decimal
28168420
12
Duodecimal
9525204
16
Hexadecimal
1add0e4
20
Vigesimal
8g1110
36
Base36
grqw4
md5
ea3c0728c4843f79ba9cc1a7fda4e215
sha1
e71c6b4e33f9daffad00a8fbedaddeb091515f3b
sha256
3fcac80b8260e96d45af5db0c79de9f426920c58673b7bd36b40130df2a59b67
sha512
67331e8ba9c675170ecef4b55e239c893b254c543c9ae1846b2197b558d6987d0a955a552646d91cd2db3880f45312e703a2a1a0eefc829c7a9fb1c7a568418f
ripemd-160
cbd9fc06fc55de3c76cfb6b1ce788046fc33ccee
Diameter
56336840
Circumference
176987402.67046
Area
2.4927277465654E+15
Volume
9.3621602814543E+22
Surface area
9.9709109862615E+15
Circumference
176987402.67046
Perimeter
112673680
Area
793459885296400
Diagonal
39836161.594622
Surface area
4760759311778400
Volume
2.2350511302181E+22
Space diagonal
48789134.608939
Perimeter
84505260
Area
3.4357820877528E+14
Altitude
24394567.30447
Surface area
3.4357820877528E+14
Volume
2.6340330174598E+21
Height
13278720.531541