28687616 is an even 8-digits composite number following 28687615
and preceding 28687617 . In scientific notation, it is written as 2.8687616 × 10^7.
The sum of its digits is 44. It has a total of 9 prime factors and 18 positive divisors.
There are 14343680 positive integers (up to 28687616) that are relatively prime to 28687616.
28687616 has 18 divisors, whose sum is 57263682
The reverse of 28687616 is 61678682
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million six hundred eighty-seven thousand six hundred sixteen
Scientific notation
2.8687616 × 10^7
Engineering notation
2.8687616 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 112061
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
9
Total number of prime factors
rad
Radical
224122
Product of the distinct prime numbers
The prime factorization of 28687616 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 112061.
Since it has a total of 9 prime factors.
9 , 4 , 76 , 47 , 562 , 215 , 4626 , 5673 , 57388 , 88097 , 305149 , 414528 , 8009357 , 8176708 , 27819644 , 18822279 , 394011157 , 976648564 , 9188507323 , 771662079
n×2
57375232
n×3
86062848
n×4
114750464
n×5
143438080
n÷2
14343808
n÷3
9562538.6666667
n÷3
7171904
n÷5
5737523.2
n2
822979311763456
n3
2.3609314471814E+22
n4
6.7729494759065E+29
n5
1.9429977375221E+37
2 √n
5356.0821502288
3 √n
306.124545255
4 √n
73.185259104746
5 √n
31.012650995642
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 112061 , 224122 , 448244 , 896488 , 1792976 , 3585952 , 7171904 , 14343808 , 28687616
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28687615
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28687616 can be divided by 18 positive divisors.
The sum of these divisors (counting 28687616) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1101101011011110100000000
3
Ternary
1222222111000022
4
Quaternary
1231123310000
5
Quinary
24321000431
6
Senary
2502513012
8
Octal
155336400
10
Decimal
28687616
12
Duodecimal
9735768
16
Hexadecimal
1b5bd00
20
Vigesimal
8j5j0g
36
Base36
h2vi8
md5
020067f21f3a784c9fea7cbea56b293f
sha1
b26a684f8a82175e5484a2e373de6568e66b6377
sha256
7bd386684f597b96025c77a12612ff35da345afe632e284b5813be3b568dbbec
sha512
22fae34aa02aed6f20a9868cb3313d6c9cf8a5c838b0ea631757193fe3d63994d04ecd110c347fbc7d561458d0022f8f7c8d280dfe42c7a05363fa4deb0fb240
ripemd-160
82d611bddbec441044442dd164c3ee8837de5288
Diameter
57375232
Circumference
180249607.34921
Area
2.5854657598925E+15
Volume
9.8894465201257E+22
Surface area
1.034186303957E+16
Circumference
180249607.34921
Perimeter
114750464
Area
822979311763456
Diagonal
40570415.619351
Surface area
4937875870580736
Volume
2.3609314471814E+22
Space diagonal
49688408.460026
Perimeter
86062848
Area
3.5636049538809E+14
Altitude
24844204.230013
Surface area
3.5636049538809E+14
Volume
2.7823843936976E+21
Height
13523471.873117