20120285 is an odd 8-digits composite number following 20120284
and preceding 20120286 . In scientific notation, it is written as 2.0120285 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 15396304 positive integers (up to 20120285) that are relatively prime to 20120285.
20120285 has 8 divisors, whose sum is 25194240
The reverse of 20120285 is 58202102
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty thousand two hundred eighty-five
Scientific notation
2.0120285 × 10^7
Engineering notation
2.0120285 × 10^6
Prime Factorization
5 × 23 × 174959
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20120285
Product of the distinct prime numbers
The prime factorization of 20120285 is 5 × 23 × 174959.
Since it has a total of 3 prime factors.
6 , 4 , 73 , 62 , 101 , 874 , 9649 , 3327 , 95767 , 19790 , 591784 , 232533 , 3529108 , 6326246 , 31909259 , 78418888 , 83612557 , 447376012 , 8763816271 , 8000543196
n×2
40240570
n×3
60360855
n×4
80481140
n×5
100601425
n÷2
10060142.5
n÷3
6706761.6666667
n÷3
5030071.25
n÷5
4024057
n2
404825868481225
n3
8.1452118492148E+21
n4
1.6388398379158E+29
n5
3.2973924608219E+36
2 √n
4485.5640670935
3 √n
271.98484723113
4 √n
66.974353801238
5 √n
28.888621955107
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
-20120284
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 20120285 can be divided by 8 positive divisors.
The sum of these divisors (counting 20120285) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000001011011101
3
Ternary
1101212012211202
4
Quaternary
1030300023131
5
Quinary
20122322120
6
Senary
1555125245
8
Octal
114601335
10
Decimal
20120285
12
Duodecimal
68a3825
16
Hexadecimal
13302dd
20
Vigesimal
65f0e5
36
Base36
bz8wt
md5
5770510027862d5510a5fa13a6639b40
sha1
d3a8c27a5f0be316beca6b2eb85402648eb6fe09
sha256
09a0efcb2825dfb9c60790b2493c3733394c489d148410cbcd9a4e100086bb41
sha512
9330ade2f3bdd2114ac58ad58ae4ef4220f5315be2847f7f4e4d81a2c17a059b58b2c98c0628f162619e51ff2844ee055e0c2a29f1e85b2bca1637160b036c11
ripemd-160
ae2d9eb9eb16dd64ce5ddb614aa62d35b136d241
Diameter
40240570
Circumference
126419479.08827
Area
1.2717979744037E+15
Volume
3.4118583609901E+22
Surface area
5.0871918976149E+15
Circumference
126419479.08827
Perimeter
80481140
Area
404825868481225
Diagonal
28454379.925812
Surface area
2428955210887350
Volume
8.1452118492148E+21
Space diagonal
34849355.882766
Perimeter
60360855
Area
1.7529474310692E+14
Altitude
17424677.941383
Surface area
1.7529474310692E+14
Volume
9.5992242213013E+20
Height
9484793.308604