28168428 is an even 8-digits composite number following 28168427
and preceding 28168429 . In scientific notation, it is written as 2.8168428 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 9389472 positive integers (up to 28168428) that are relatively prime to 28168428.
28168428 has 12 divisors, whose sum is 65726360
The reverse of 28168428 is 82486182
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million one hundred sixty-eight thousand four hundred twenty-eight
Scientific notation
2.8168428 × 10^7
Engineering notation
2.8168428 × 10^6
Prime Factorization
2 × 2 × 3 × 2347369
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14084214
Product of the distinct prime numbers
The prime factorization of 28168428 is 2 × 2 × 3 × 2347369.
Since it has a total of 4 prime factors.
2 , 1 , 54 , 83 , 454 , 392 , 5598 , 2455 , 30255 , 494 , 302522 , 627338 , 945828 , 5865458 , 93799721 , 41665632 , 447437886 , 260675870 , 9797468243 , 4570775694
n×2
56336856
n×3
84505284
n×4
112673712
n×5
140842140
n÷2
14084214
n÷3
9389476
n÷3
7042107
n÷5
5633685.6
n2
793460335991184
n3
2.2350530345223E+22
n4
6.2957930479124E+29
n5
1.7734259317302E+37
2 √n
5307.3937106644
3 √n
304.26654542751
4 √n
72.85186140837
5 √n
30.899576145939
1 , 2 , 3 , 4 , 6 , 12 , 2347369 , 4694738 , 7042107 , 9389476 , 14084214 , 28168428
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
-28168427
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 28168428 can be divided by 12 positive divisors.
The sum of these divisors (counting 28168428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011011101000011101100
3
Ternary
1222000002211010
4
Quaternary
1223131003230
5
Quinary
24202342203
6
Senary
2443425220
8
Octal
153350354
10
Decimal
28168428
12
Duodecimal
9525210
16
Hexadecimal
1add0ec
20
Vigesimal
8g1118
36
Base36
grqwc
md5
51129c1116d593e81cb8f30c290385f5
sha1
a3bc99034171d5bba7102e3f074b4815af040b13
sha256
2176836e4828e86a4babcdeaaae2e78bfbefdb5092ef9c2fa3afe631d650fa39
sha512
3678c7191f860572883b4210d8778cd2904e60c8b2152b2cecb37f3c3a60a0a72efc3599459db40d62f23a131f1b500d592872f110fe7ac10fcc2819b1edabf3
ripemd-160
04a3e3ce480951ce34cbf5846d4f4355516dfa15
Diameter
56336856
Circumference
176987452.93595
Area
2.4927291624648E+15
Volume
9.3621682581853E+22
Surface area
9.9709166498592E+15
Circumference
176987452.93595
Perimeter
112673712
Area
793460335991184
Diagonal
39836172.90833
Surface area
4760762015947104
Volume
2.2350530345223E+22
Space diagonal
48789148.465346
Perimeter
84505284
Area
3.4357840393185E+14
Altitude
24394574.232673
Surface area
3.4357840393185E+14
Volume
2.6340352617039E+21
Height
13278724.302777