28681650 is an even 8-digits composite number following 28681649
and preceding 28681651 . In scientific notation, it is written as 2.8681650 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 7648320 positive integers (up to 28681650) that are relatively prime to 28681650.
28681650 has 16 divisors, whose sum is 49715640
The reverse of 28681650 is 05618682
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million six hundred eighty-one thousand six hundred fifty
Scientific notation
2.8681650 × 10^7
Engineering notation
2.8681650 × 10^6
Prime Factorization
2 × 9 × 25 × 63737
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28681650
Product of the distinct prime numbers
The prime factorization of 28681650 is 2 × 9 × 25 × 63737.
Since it has a total of 4 prime factors.
6 , 4 , 2 , 61 , 396 , 910 , 5828 , 8748 , 68800 , 11897 , 753099 , 907026 , 4440001 , 1060682 , 23224678 , 21961276 , 73423247 , 670443647 , 2560850878 , 851567084
n×2
57363300
n×3
86044950
n×4
114726600
n×5
143408250
n÷2
14340825
n÷3
9560550
n÷3
7170412.5
n÷5
5736330
n2
822637046722500
n3
2.3594587851128E+22
n4
6.7673171064032E+29
n5
1.9409782068487E+37
2 √n
5355.5251843307
3 √n
306.10332279144
4 √n
73.181453827665
5 √n
31.011360983471
1 , 2 , 9 , 18 , 25 , 50 , 225 , 450 , 63737 , 127474 , 573633 , 1147266 , 1593425 , 3186850 , 14340825 , 28681650
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
-28681649
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 28681650 can be divided by 16 positive divisors.
The sum of these divisors (counting 28681650) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011010010110110010
3
Ternary
1222222011211100
4
Quaternary
1231122112302
5
Quinary
24320303100
6
Senary
2502425230
8
Octal
155322662
10
Decimal
28681650
12
Duodecimal
9732216
16
Hexadecimal
1b5a5b2
20
Vigesimal
8j542a
36
Base36
h2qwi
md5
ff4a71b2f34f7a399cdbdc41b19d60b3
sha1
f0bd94027ac7599f2320ab1ceafe68febe68cf72
sha256
1ffdd7d471c6bb2562d5f42a3ab64fbbe023bc2d01e8fe8242a0f4d0ed17941b
sha512
29ebebb43580bb3092267702026d0f5cbcad0044bded002c2de464aa87579be838c57c189cf494b0b5528827f90f0ca88df26a19c3cbc9d5e7b87add682a8636
ripemd-160
20e883391ae30320969ba7a06dffef1ac5031dc2
Diameter
57363300
Circumference
180212121.86567
Area
2.5843905025542E+15
Volume
9.8832778476779E+22
Surface area
1.0337562010217E+16
Circumference
180212121.86567
Perimeter
114726600
Area
822637046722500
Diagonal
40561978.421238
Surface area
4935822280335000
Volume
2.3594587851128E+22
Space diagonal
49678075.044908
Perimeter
86044950
Area
3.5621229027795E+14
Altitude
24839037.522454
Surface area
3.5621229027795E+14
Volume
2.7806488448058E+21
Height
13520659.473746