28661810 is an even 8-digits composite number following 28661809
and preceding 28661811 . In scientific notation, it is written as 2.8661810 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 11353008 positive integers (up to 28661810) that are relatively prime to 28661810.
28661810 has 16 divisors, whose sum is 52094016
The reverse of 28661810 is 01816682
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million six hundred sixty-one thousand eight hundred ten
Scientific notation
2.8661810 × 10^7
Engineering notation
2.8661810 × 10^6
Prime Factorization
2 × 5 × 103 × 27827
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28661810
Product of the distinct prime numbers
The prime factorization of 28661810 is 2 × 5 × 103 × 27827.
Since it has a total of 4 prime factors.
8 , 8 , 50 , 69 , 895 , 63 , 4522 , 8628 , 30778 , 17967 , 264247 , 584158 , 8867170 , 5394434 , 33184257 , 87778237 , 714082721 , 663816859 , 8516027678 , 4438075000
n×2
57323620
n×3
85985430
n×4
114647240
n×5
143309050
n÷2
14330905
n÷3
9553936.6666667
n÷3
7165452.5
n÷5
5732362
n2
821499352476100
n3
2.3545658355793E+22
n4
6.7486118611865E+29
n5
1.9342743092907E+37
2 √n
5353.6725712356
3 √n
306.03272607683
4 √n
73.168795064806
5 √n
31.007069489
1 , 2 , 5 , 10 , 103 , 206 , 515 , 1030 , 27827 , 55654 , 139135 , 278270 , 2866181 , 5732362 , 14330905 , 28661810
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
-28661809
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 28661810 can be divided by 16 positive divisors.
The sum of these divisors (counting 28661810) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101010101100000110010
3
Ternary
1222221011121112
4
Quaternary
1231111200302
5
Quinary
24314134220
6
Senary
2502153322
8
Octal
155254062
10
Decimal
28661810
12
Duodecimal
9722842
16
Hexadecimal
1b55832
20
Vigesimal
8j2eaa
36
Base36
h2ble
md5
3fd94f851d302692e1cd597f45f7e82f
sha1
d31aedaebd48bd0273efb9a9488735387fe2069d
sha256
8edb69d9261e60eeda207b9031337d90141f71253d608864bafbe5b0cb0538c7
sha512
db5dd18f27c45dfc41edda8dd348c73359564a4b94aeaf772e9dd6958e92d6a914d22f82318d941c049739f1b4e29afe3749700cf554489cfd3fb5e6b92d623c
ripemd-160
201830d4447be7ed8f45d7f9b7dc111702e30710
Diameter
57323620
Circumference
180087463.46917
Area
2.5808163306677E+15
Volume
9.8627823085993E+22
Surface area
1.0323265322671E+16
Circumference
180087463.46917
Perimeter
114647240
Area
821499352476100
Diagonal
40533920.424161
Surface area
4928996114856600
Volume
2.3545658355793E+22
Space diagonal
49643711.156886
Perimeter
85985430
Area
3.5571965421838E+14
Altitude
24821855.578443
Surface area
3.5571965421838E+14
Volume
2.7748824484805E+21
Height
13511306.808054