28587688 is an even 8-digits composite number following 28587687
and preceding 28587689 . In scientific notation, it is written as 2.8587688 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 8 positive divisors.
There are 14293840 positive integers (up to 28587688) that are relatively prime to 28587688.
28587688 has 8 divisors, whose sum is 53601930
The reverse of 28587688 is 88678582
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million five hundred eighty-seven thousand six hundred eighty-eight
Scientific notation
2.8587688 × 10^7
Engineering notation
2.8587688 × 10^6
Prime Factorization
2 × 2 × 2 × 3573461
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7146922
Product of the distinct prime numbers
The prime factorization of 28587688 is 2 × 2 × 2 × 3573461.
Since it has a total of 4 prime factors.
10 , 7 , 57 , 3 , 180 , 783 , 8669 , 1725 , 60440 , 53915 , 427440 , 915116 , 5935314 , 7278190 , 7282229 , 66294249 , 398091885 , 23787324 , 4536455356 , 5799605732
n×2
57175376
n×3
85763064
n×4
114350752
n×5
142938440
n÷2
14293844
n÷3
9529229.3333333
n÷3
7146922
n÷5
5717537.6
n2
817255905185344
n3
2.3363456833596E+22
n4
6.6790721456032E+29
n5
1.9093923062799E+37
2 √n
5346.7455522028
3 √n
305.76868901917
4 √n
73.121443860216
5 √n
30.991015463451
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28587687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28587688 can be divided by 8 positive divisors.
The sum of these divisors (counting 28587688) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101000011011010101000
3
Ternary
1222210101221021
4
Quaternary
1231003122220
5
Quinary
24304301223
6
Senary
2500422224
8
Octal
155033250
10
Decimal
28587688
12
Duodecimal
96a7974
16
Hexadecimal
1b436a8
20
Vigesimal
8id948
36
Base36
h0qeg
md5
42ae80921c3ed1d787d3d1046d8e8d38
sha1
c2d0a7d36e7c2aa4c9f9616461216960792df009
sha256
7720af332905c090f76005a1603c71fd0297f10ddb573f5dd955795690602254
sha512
d71d42108d1a9444f933d9138ec8485ad5cb7752350761320be6d3f0a441b8ab95e8f11cc57f13cdc49d440dc2decf575775fe49be190502f65e009555776bd4
ripemd-160
6b8d6418e60488dfaf54c07fcded095636350bb8
Diameter
57175376
Circumference
179621741.20783
Area
2.5674851478332E+15
Volume
9.7864619134517E+22
Surface area
1.0269940591333E+16
Circumference
179621741.20783
Perimeter
114350752
Area
817255905185344
Diagonal
40429096.086491
Surface area
4903535431112064
Volume
2.3363456833596E+22
Space diagonal
49515328.086927
Perimeter
85763064
Area
3.5388218764168E+14
Altitude
24757664.043464
Surface area
3.5388218764168E+14
Volume
2.7534097931658E+21
Height
13476365.362164