28172816 is an even 8-digits composite number following 28172815
and preceding 28172817 . In scientific notation, it is written as 2.8172816 × 10^7.
The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors.
There are 12074016 positive integers (up to 28172816) that are relatively prime to 28172816.
28172816 has 20 divisors, whose sum is 62382912
The reverse of 28172816 is 61827182
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million one hundred seventy-two thousand eight hundred sixteen
Scientific notation
2.8172816 × 10^7
Engineering notation
2.8172816 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 251543
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3521602
Product of the distinct prime numbers
The prime factorization of 28172816 is 2 × 2 × 2 × 2 × 7 × 251543.
Since it has a total of 6 prime factors.
3 , 7 , 16 , 6 , 53 , 152 , 2556 , 1029 , 55516 , 84800 , 810900 , 364652 , 4617662 , 3331246 , 46472297 , 21390945 , 542004148 , 102847760 , 4580318192 , 3250385441
n×2
56345632
n×3
84518448
n×4
112691264
n×5
140864080
n÷2
14086408
n÷3
9390938.6666667
n÷3
7043204
n÷5
5634563.2
n2
793707561369856
n3
2.2360977084282E+22
n4
6.2997169297568E+29
n5
1.7748076591412E+37
2 √n
5307.8070801415
3 √n
304.28234387486
4 √n
72.854698408143
5 √n
30.900538776103
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 251543 , 503086 , 1006172 , 1760801 , 2012344 , 3521602 , 4024688 , 7043204 , 14086408 , 28172816
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28172815
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28172816 can be divided by 20 positive divisors.
The sum of these divisors (counting 28172816) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101011011110001000010000
3
Ternary
1222000022211122
4
Quaternary
1223132020100
5
Quinary
24203012231
6
Senary
2443501412
8
Octal
153361020
10
Decimal
28172816
12
Duodecimal
9527868
16
Hexadecimal
1ade210
20
Vigesimal
8g1c0g
36
Base36
grua8
md5
35601ea996b12cb6513e93e03b6854a3
sha1
358adabef71186a274a71bcc777e82739cc5a4ad
sha256
159a212f0cfc518e7ab9acfbb057e63f7128a2d86f95c63b2fa286d528d551f0
sha512
b2d9256821926e1e624da61e25acc2c4ff6f5b021d95ec8f45220b6c1620138b9048ffc539d259130b197ff2eab7154fe2d84c534d2e336af5b45e3460fdd191
ripemd-160
17d8a687c0e9e26d3eab1055b999584ab6a85eba
Diameter
56345632
Circumference
177015023.55307
Area
2.4935058438982E+15
Volume
9.3665441780092E+22
Surface area
9.9740233755928E+15
Circumference
177015023.55307
Perimeter
112691264
Area
793707561369856
Diagonal
39842378.477442
Surface area
4762245368219136
Volume
2.2360977084282E+22
Space diagonal
48796748.704289
Perimeter
84518448
Area
3.4368545566105E+14
Altitude
24398374.352145
Surface area
3.4368545566105E+14
Volume
2.6352664217088E+21
Height
13280792.825814