28687566 is an even 8-digits composite number following 28687565
and preceding 28687567 . In scientific notation, it is written as 2.8687566 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 9498048 positive integers (up to 28687566) that are relatively prime to 28687566.
28687566 has 16 divisors, whose sum is 57762000
The reverse of 28687566 is 66578682
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million six hundred eighty-seven thousand five hundred sixty-six
Scientific notation
2.8687566 × 10^7
Engineering notation
2.8687566 × 10^6
Prime Factorization
2 × 3 × 149 × 32089
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28687566
Product of the distinct prime numbers
The prime factorization of 28687566 is 2 × 3 × 149 × 32089.
Since it has a total of 4 prime factors.
5 , 3 , 62 , 21 , 609 , 505 , 1173 , 1901 , 50595 , 13228 , 175440 , 87856 , 458075 , 964940 , 53767887 , 4408353 , 42004680 , 129003631 , 5632669771 , 1297264991
n×2
57375132
n×3
86062698
n×4
114750264
n×5
143437830
n÷2
14343783
n÷3
9562522
n÷3
7171891.5
n÷5
5737513.2
n2
822976443004356
n3
2.3609191025133E+22
n4
6.772902257401E+29
n5
1.9429808052074E+37
2 √n
5356.077482636
3 √n
306.12436740548
4 √n
73.185227215853
5 √n
31.012640185168
1 , 2 , 3 , 6 , 149 , 298 , 447 , 894 , 32089 , 64178 , 96267 , 192534 , 4781261 , 9562522 , 14343783 , 28687566
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
-28687565
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 28687566 can be divided by 16 positive divisors.
The sum of these divisors (counting 28687566) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011011110011001110
3
Ternary
1222222110221110
4
Quaternary
1231123303032
5
Quinary
24321000231
6
Senary
2502512450
8
Octal
155336316
10
Decimal
28687566
12
Duodecimal
9735726
16
Hexadecimal
1b5bcce
20
Vigesimal
8j5ii6
36
Base36
h2vgu
md5
08b45d77e935f897a77f70ad57abfcbc
sha1
3033e87945f283667bfb9b60ef761d9bde003f83
sha256
4af6d24d8ea27d2173bef7bbbde2d461cd282c6bc3161b9b38619e96fcfc6eec
sha512
094f5dfebf2c76140308e0b369d3201b48edc637665f82e235e21536bfb67720f79f5ad0f47a1b45a073f0c296baf31aba58381b8938f15ec1b6826b8a4a7587
ripemd-160
2906bb04038e400bda2818c37a7a3c6d06eb9c84
Diameter
57375132
Circumference
180249293.18994
Area
2.5854567474199E+15
Volume
9.8893948109007E+22
Surface area
1.034182698968E+16
Circumference
180249293.18994
Perimeter
114750264
Area
822976443004356
Diagonal
40570344.908673
Surface area
4937858658026136
Volume
2.3609191025133E+22
Space diagonal
49688321.857485
Perimeter
86062698
Area
3.5635925317896E+14
Altitude
24844160.928743
Surface area
3.5635925317896E+14
Volume
2.7823698453667E+21
Height
13523448.302891