20181181 is an odd 8-digits composite number following 20181180
and preceding 20181182 . In scientific notation, it is written as 2.0181181 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 19800352 positive integers (up to 20181181) that are relatively prime to 20181181.
20181181 has 4 divisors, whose sum is 20562012
The reverse of 20181181 is 18118102
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred eighty-one thousand one hundred eighty-one
Scientific notation
2.0181181 × 10^7
Engineering notation
2.0181181 × 10^6
Prime Factorization
53 × 380777
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20181181
Product of the distinct prime numbers
The prime factorization of 20181181 is 53 × 380777.
Since it has a total of 2 prime factors.
3 , 5 , 74 , 26 , 102 , 296 , 7969 , 932 , 24867 , 16635 , 806229 , 148287 , 6704594 , 849880 , 53939940 , 35270548 , 691028651 , 317857654 , 7914247923 , 2980084510
n×2
40362362
n×3
60543543
n×4
80724724
n×5
100905905
n÷2
10090590.5
n÷3
6727060.3333333
n÷3
5045295.25
n÷5
4036236.2
n2
407280066554761
n3
8.2193927408337E+21
n4
1.6587705261285E+29
n5
3.3475948225265E+36
2 √n
4492.3469367359
3 √n
272.25896706701
4 √n
67.024972485902
5 √n
28.906087668183
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
-20181180
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 20181181 can be divided by 4 positive divisors.
The sum of these divisors (counting 20181181) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111111000010111101
3
Ternary
1101222022101011
4
Quaternary
1030333002331
5
Quinary
20131244211
6
Senary
2000315221
8
Octal
114770275
10
Decimal
20181181
12
Duodecimal
6912b11
16
Hexadecimal
133f0bd
20
Vigesimal
662cj1
36
Base36
c0jwd
md5
79fc1eb02afa87d358b0d3100a79d06d
sha1
58776c4440e18e9cd03b1424c9821c7142fbf3b6
sha256
9ebc19fb7c9adfbd5d15e2d7a002ad09d7a57fc936a4060fde9255f1c9335303
sha512
b98285fdb2a223840b4fab9aa77013e76f003d4a6da0e366597b65c9712f47e4b7e11b91e3fafa0dea3eea93b5d02023b4de9a147f3e01850df4cc68f531efc5
ripemd-160
f5dae77fad2e60465693e03d2216fe38923e24a9
Diameter
40362362
Circumference
126802099.94073
Area
1.279508065042E+15
Volume
3.4429311802096E+22
Surface area
5.118032260168E+15
Circumference
126802099.94073
Perimeter
80724724
Area
407280066554761
Diagonal
28540499.874906
Surface area
2443680399328566
Volume
8.2193927408337E+21
Space diagonal
34954830.848744
Perimeter
60543543
Area
1.7635744204572E+14
Altitude
17477415.424372
Surface area
1.7635744204572E+14
Volume
9.686647240465E+20
Height
9513499.9583021