28239628 is an even 8-digits composite number following 28239627
and preceding 28239629 . In scientific notation, it is written as 2.8239628 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 14074640 positive integers (up to 28239628) that are relatively prime to 28239628.
28239628 has 12 divisors, whose sum is 49577472
The reverse of 28239628 is 82693282
Previous prime number is 317
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million two hundred thirty-nine thousand six hundred twenty-eight
Scientific notation
2.8239628 × 10^7
Engineering notation
2.8239628 × 10^6
Prime Factorization
2 × 2 × 317 × 22271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14119814
Product of the distinct prime numbers
The prime factorization of 28239628 is 2 × 2 × 317 × 22271.
Since it has a total of 4 prime factors.
2 , 1 , 32 , 92 , 892 , 394 , 5684 , 765 , 33585 , 31681 , 848808 , 391976 , 4409761 , 484912 , 99731741 , 38495946 , 952269412 , 508807973 , 578071878 , 2057235631
n×2
56479256
n×3
84718884
n×4
112958512
n×5
141198140
n÷2
14119814
n÷3
9413209.3333333
n÷3
7059907
n÷5
5647925.6
n2
797476589578384
n3
2.2520442228402E+22
n4
6.3596891092557E+29
n5
1.7959525464103E+37
2 √n
5314.0971011076
3 √n
304.52268977451
4 √n
72.897853885472
5 √n
30.915181055126
1 , 2 , 4 , 317 , 634 , 1268 , 22271 , 44542 , 89084 , 7059907 , 14119814 , 28239628
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
-28239627
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 28239628 can be divided by 12 positive divisors.
The sum of these divisors (counting 28239628) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011101110011100001100
3
Ternary
1222010201111011
4
Quaternary
1223232130030
5
Quinary
24212132003
6
Senary
2445135004
8
Octal
153563414
10
Decimal
28239628
12
Duodecimal
955a464
16
Hexadecimal
1aee70c
20
Vigesimal
8g9j18
36
Base36
gt9u4
md5
e51820afd99693f7f9f354874d749ae9
sha1
f72f0c75b5f4337065bf42699d91fb3a0a486997
sha256
bde80396cfda133e412d39ea4f31f616e939528df1078007518be99039f1786e
sha512
156a1f6d07a55b2da6b09ac8cd33d161f85b311a4f3b57c0703c6f3a03e72ebaeae9e1a6aae4300783a5c12bb7cd9a619255f81a146dda3d2c15939a4029d56a
ripemd-160
fbe0a189a5d49d54e6de0f543b8fac3c934e157a
Diameter
56479256
Circumference
177434815.72982
Area
2.5053465952293E+15
Volume
9.4333407813789E+22
Surface area
1.0021386380917E+16
Circumference
177434815.72982
Perimeter
112958512
Area
797476589578384
Diagonal
39936864.913971
Surface area
4784859537470304
Volume
2.2520442228402E+22
Space diagonal
48912470.482845
Perimeter
84718884
Area
3.4531749274913E+14
Altitude
24456235.241422
Surface area
3.4531749274913E+14
Volume
2.6540595691705E+21
Height
13312288.304657