20121181 is an odd 8-digits composite number following 20121180
and preceding 20121182 . In scientific notation, it is written as 2.0121181 × 10^7.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 20034592 positive integers (up to 20121181) that are relatively prime to 20121181.
20121181 has 4 divisors, whose sum is 20207772
The reverse of 20121181 is 18112102
Previous prime number is 233
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one hundred twenty-one thousand one hundred eighty-one
Scientific notation
2.0121181 × 10^7
Engineering notation
2.0121181 × 10^6
Prime Factorization
233 × 86357
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20121181
Product of the distinct prime numbers
The prime factorization of 20121181 is 233 × 86357.
Since it has a total of 2 prime factors.
5 , 4 , 82 , 70 , 908 , 948 , 3326 , 4292 , 72474 , 20657 , 85063 , 64183 , 6803552 , 8160010 , 57637140 , 81475686 , 754028608 , 107790233 , 9832625669 , 3687810342
n×2
40242362
n×3
60363543
n×4
80484724
n×5
100605905
n÷2
10060590.5
n÷3
6707060.3333333
n÷3
5030295.25
n÷5
4024236.2
n2
404861924834761
n3
8.1463000696086E+21
n4
1.6391317818091E+29
n5
3.2981267264633E+36
2 √n
4485.6639419377
3 √n
271.98888452991
4 √n
66.975099417154
5 √n
28.888879245142
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
-20121180
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 20121181 can be divided by 4 positive divisors.
The sum of these divisors (counting 20121181) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000011001011101
3
Ternary
1101212021001221
4
Quaternary
1030300121131
5
Quinary
20122334211
6
Senary
1555133341
8
Octal
114603135
10
Decimal
20121181
12
Duodecimal
68a4251
16
Hexadecimal
133065d
20
Vigesimal
65f2j1
36
Base36
bz9lp
md5
42ff045821b8254f27a1010f40ea4ecf
sha1
b4ceb3ab1974fccd386b5f1f6aa568b9e2fbbf02
sha256
bb413946653e453d4a1b82deeba4e52cc2a507202ea8068abd19c6658272ac15
sha512
6e64e89b00eb706dcb626f580bd43941fd227026560abb5beb472b628b01aae2860fe92d67c5ac112962b79e3d649aaaebf5cc30eb3d70397329cb2bf124adf6
ripemd-160
678589341622665dc0f0750dc6652812117cd76e
Diameter
40242362
Circumference
126425108.8223
Area
1.2719112487791E+15
Volume
3.4123141936827E+22
Surface area
5.0876449951164E+15
Circumference
126425108.8223
Perimeter
80484724
Area
404861924834761
Diagonal
28455647.061164
Surface area
2429171549008566
Volume
8.1463000696086E+21
Space diagonal
34850907.80029
Perimeter
60363543
Area
1.7531035596598E+14
Altitude
17425453.900145
Surface area
1.7531035596598E+14
Volume
9.6005067013345E+20
Height
9485215.6870546