20162081 is an odd 8-digits composite number following 20162080
and preceding 20162082 . In scientific notation, it is written as 2.0162081 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 20150832 positive integers (up to 20162081) that are relatively prime to 20162081.
20162081 has 4 divisors, whose sum is 20173332
The reverse of 20162081 is 18026102
Previous prime number is 2237
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred sixty-two thousand eighty-one
Scientific notation
2.0162081 × 10^7
Engineering notation
2.0162081 × 10^6
Prime Factorization
2237 × 9013
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20162081
Product of the distinct prime numbers
The prime factorization of 20162081 is 2237 × 9013.
Since it has a total of 2 prime factors.
8 , 2 , 43 , 10 , 266 , 997 , 8317 , 6122 , 77281 , 50937 , 507747 , 239738 , 5703667 , 3022705 , 449277 , 55704572 , 835721026 , 713833041 , 6999690087 , 2262389307
n×2
40324162
n×3
60486243
n×4
80648324
n×5
100810405
n÷2
10081040.5
n÷3
6720693.6666667
n÷3
5040520.25
n÷5
4032416.2
n2
406509510250561
n3
8.1960776729421E+21
n4
1.6524998192415E+29
n5
3.3317835208033E+36
2 √n
4490.2205959173
3 √n
272.17304894272
4 √n
67.009108305642
5 √n
28.900614099472
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20162080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20162081 can be divided by 4 positive divisors.
The sum of these divisors (counting 20162081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111010011000100001
3
Ternary
1101221100011202
4
Quaternary
1030322120201
5
Quinary
20130141311
6
Senary
2000050545
8
Octal
114723041
10
Decimal
20162081
12
Duodecimal
6903a55
16
Hexadecimal
133a621
20
Vigesimal
660541
36
Base36
c055t
md5
99eee5c4f528246a2a84803ad5b11bd1
sha1
a7c0457c5fbcdb118e2a285f35c3d0f3bf598219
sha256
54c6a78b02b409d1a67bbbb6a1b793c08391589d12002e1242580ecc4053edef
sha512
7d41e6c95c1d9ff12c789db473456a2a76b87c46b95dac7fee7a4828edc98c355257edb01c975f02ee44b1c7f8059031a04a4363e7ff38e1bb10050c1654540b
ripemd-160
55c8119ec9bce1ad3ea0aa013fbf12955799875c
Diameter
40324162
Circumference
126682091.10136
Area
1.2770872910175E+15
Volume
3.4331649874088E+22
Surface area
5.1083491640702E+15
Circumference
126682091.10136
Perimeter
80648324
Area
406509510250561
Diagonal
28513488.395865
Surface area
2439057061503366
Volume
8.1960776729421E+21
Space diagonal
34921748.678319
Perimeter
60486243
Area
1.7602378137848E+14
Altitude
17460874.33916
Surface area
1.7602378137848E+14
Volume
9.6591701694484E+20
Height
9504496.131955