28681609 is an odd 8-digits composite number following 28681608
and preceding 28681610 . In scientific notation, it is written as 2.8681609 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 24626560 positive integers (up to 28681609) that are relatively prime to 28681609.
28681609 has 16 divisors, whose sum is 33073920
The reverse of 28681609 is 90618682
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million six hundred eighty-one thousand six hundred nine
Scientific notation
2.8681609 × 10^7
Engineering notation
2.8681609 × 10^6
Prime Factorization
47 × 11 × 29 × 1913
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28681609
Product of the distinct prime numbers
The prime factorization of 28681609 is 47 × 11 × 29 × 1913.
Since it has a total of 4 prime factors.
8 , 9 , 19 , 80 , 460 , 856 , 2282 , 5670 , 58833 , 82317 , 158872 , 783684 , 5546844 , 8544043 , 53086883 , 14586729 , 371437238 , 456329338 , 7342178739 , 1094770308
n×2
57363218
n×3
86044827
n×4
114726436
n×5
143408045
n÷2
14340804.5
n÷3
9560536.3333333
n÷3
7170402.25
n÷5
5736321.8
n2
822634694828881
n3
2.3594486666916E+22
n4
6.7672784113621E+29
n5
1.9409643338883E+37
2 √n
5355.5213565068
3 √n
306.10317693462
4 √n
73.181427674696
5 √n
31.011352117409
1 , 11 , 29 , 47 , 319 , 517 , 1363 , 1913 , 14993 , 21043 , 55477 , 89911 , 610247 , 989021 , 2607419 , 28681609
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
-28681608
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 28681609 can be divided by 16 positive divisors.
The sum of these divisors (counting 28681609) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011010010110001001
3
Ternary
1222222011202211
4
Quaternary
1231122112021
5
Quinary
24320302414
6
Senary
2502425121
8
Octal
155322611
10
Decimal
28681609
12
Duodecimal
97321a1
16
Hexadecimal
1b5a589
20
Vigesimal
8j5409
36
Base36
h2qvd
md5
261f76cfb7313e946f2e8b114066a9cf
sha1
9dda9692b42f995ee2185c8fbf1f4e95af289f45
sha256
6e046eef1e60cbd5d74a2178b470ff80f4ed403ca2310c09781b246f8ec2e9fd
sha512
6c28693d200f3d3c03fb900b7547ba9a7eb6c55c696b15003bbf29af7485d40bca74f0a0650620e7ac0000cc92504a8617788c88231ce75e7dc6d03a3629d16e
ripemd-160
9bd8ffd9f71f1f643b52a87c551415f182a7a88c
Diameter
57363218
Circumference
180211864.25507
Area
2.5843831138625E+15
Volume
9.8832354637342E+22
Surface area
1.033753245545E+16
Circumference
180211864.25507
Perimeter
114726436
Area
822634694828881
Diagonal
40561920.438482
Surface area
4935808168973286
Volume
2.3594486666916E+22
Space diagonal
49678004.030825
Perimeter
86044827
Area
3.5621127187814E+14
Altitude
24839002.015412
Surface area
3.5621127187814E+14
Volume
2.780636920132E+21
Height
13520640.146161