28687052 is an even 8-digits composite number following 28687051
and preceding 28687053 . In scientific notation, it is written as 2.8687052 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 14263920 positive integers (up to 28687052) that are relatively prime to 28687052.
28687052 has 12 divisors, whose sum is 50480976
The reverse of 28687052 is 25078682
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million six hundred eighty-seven thousand fifty-two
Scientific notation
2.8687052 × 10^7
Engineering notation
2.8687052 × 10^6
Prime Factorization
2 × 2 × 181 × 39623
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14343526
Product of the distinct prime numbers
The prime factorization of 28687052 is 2 × 2 × 181 × 39623.
Since it has a total of 4 prime factors.
1 , 3 , 13 , 45 , 923 , 3 , 9141 , 7011 , 75306 , 63029 , 462622 , 270800 , 865048 , 4837697 , 33314932 , 23815435 , 276803091 , 166447950 , 4775335799 , 5816652223
n×2
57374104
n×3
86061156
n×4
114748208
n×5
143435260
n÷2
14343526
n÷3
9562350.6666667
n÷3
7171763
n÷5
5737410.4
n2
822946952450704
n3
2.3607922018195E+22
n4
6.772416865479E+29
n5
1.9428067478567E+37
2 √n
5356.0294995453
3 √n
306.12253910044
4 √n
73.184899395609
5 √n
31.012529052621
1 , 2 , 4 , 181 , 362 , 724 , 39623 , 79246 , 158492 , 7171763 , 14343526 , 28687052
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
-28687051
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 28687052 can be divided by 12 positive divisors.
The sum of these divisors (counting 28687052) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101011011101011001100
3
Ternary
1222222110020102
4
Quaternary
1231123223030
5
Quinary
24320441202
6
Senary
2502510232
8
Octal
155335314
10
Decimal
28687052
12
Duodecimal
9735378
16
Hexadecimal
1b5bacc
20
Vigesimal
8j5hcc
36
Base36
h2v2k
md5
345fd210abcd362a7af12a5c870ea477
sha1
1aea4a44862a538dab33f77bae6a56f858361c54
sha256
e19008181c38748195382fbb177425650afffe45f14adbc0afed6215ed07372f
sha512
958967024f8f11c7d58d2f431d4c5869b170d9088d021782a0fa32898598e9106e49a7b7ef30137e2939aedfb69b59dbef5231c472ea95a68e2714978ceaeb04
ripemd-160
a17b470a9325887cc2e62be3504865be3d0d4401
Diameter
57374104
Circumference
180246063.6327
Area
2.5853641001132E+15
Volume
9.8888632505176E+22
Surface area
1.0341456400453E+16
Circumference
180246063.6327
Perimeter
114748208
Area
822946952450704
Diagonal
40569618.002902
Surface area
4937681714704224
Volume
2.3607922018195E+22
Space diagonal
49687431.58337
Perimeter
86061156
Area
3.5634648339465E+14
Altitude
24843715.791685
Surface area
3.5634648339465E+14
Volume
2.7822202914648E+21
Height
13523206.000967