28236872 is an even 8-digits composite number following 28236871
and preceding 28236873 . In scientific notation, it is written as 2.8236872 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 13986064 positive integers (up to 28236872) that are relatively prime to 28236872.
28236872 has 16 divisors, whose sum is 53440560
The reverse of 28236872 is 27863282
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million two hundred thirty-six thousand eight hundred seventy-two
Scientific notation
2.8236872 × 10^7
Engineering notation
2.8236872 × 10^6
Prime Factorization
2 × 2 × 2 × 107 × 32987
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7059218
Product of the distinct prime numbers
The prime factorization of 28236872 is 2 × 2 × 2 × 107 × 32987.
Since it has a total of 5 prime factors.
5 , 9 , 35 , 24 , 826 , 517 , 2819 , 1208 , 76758 , 95857 , 922669 , 364966 , 3345710 , 1569126 , 26858922 , 25798057 , 123568014 , 538667911 , 7397619610 , 2493240276
n×2
56473744
n×3
84710616
n×4
112947488
n×5
141184360
n÷2
14118436
n÷3
9412290.6666667
n÷3
7059218
n÷5
5647374.4
n2
797320940344384
n3
2.2513849335424E+22
n4
6.3572068191165E+29
n5
1.7950763522892E+37
2 √n
5313.8377845019
3 √n
304.51278298871
4 √n
72.896075233869
5 √n
30.91457760833
1 , 2 , 4 , 8 , 107 , 214 , 428 , 856 , 32987 , 65974 , 131948 , 263896 , 3529609 , 7059218 , 14118436 , 28236872
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28236871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28236872 can be divided by 16 positive divisors.
The sum of these divisors (counting 28236872) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011101101110001001000
3
Ternary
1222010120201002
4
Quaternary
1223231301020
5
Quinary
24212034442
6
Senary
2445114132
8
Octal
153556110
10
Decimal
28236872
12
Duodecimal
9558948
16
Hexadecimal
1aedc48
20
Vigesimal
8g9c3c
36
Base36
gt7pk
md5
c956ab179afa8c3456720c22e09fd501
sha1
90f72decb8039d800148fd222a279cb6396bde3a
sha256
f6363072bf331e8fb9b6dd118eeda6e34f79c0717a5cb159a9e5850c84294adf
sha512
d3606c48b3452ab75b395526f6387c7df31a57d8459b4b7c43febd5c96780cf3c0221740a69cb2d996d280d712d879192fde0293d52b7af99d6ac78bdc20f652
ripemd-160
adee8ded98694f8b8a6aeacf0a6a8eac801f730b
Diameter
56473744
Circumference
177417499.27111
Area
2.5048576087392E+15
Volume
9.4305791568261E+22
Surface area
1.0019430434957E+16
Circumference
177417499.27111
Perimeter
112947488
Area
797320940344384
Diagonal
39932967.341393
Surface area
4783925642066304
Volume
2.2513849335424E+22
Space diagonal
48907696.950819
Perimeter
84710616
Area
3.4525009465377E+14
Altitude
24453848.47541
Surface area
3.4525009465377E+14
Volume
2.6532825892818E+21
Height
13310989.113798