20122181 is an odd 8-digits composite number following 20122180
and preceding 20122182 . In scientific notation, it is written as 2.0122181 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 19838700 positive integers (up to 20122181) that are relatively prime to 20122181.
20122181 has 4 divisors, whose sum is 20405664
The reverse of 20122181 is 18122102
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred twenty-two thousand one hundred eighty-one
Scientific notation
2.0122181 × 10^7
Engineering notation
2.0122181 × 10^6
Prime Factorization
71 × 283411
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20122181
Product of the distinct prime numbers
The prime factorization of 20122181 is 71 × 283411.
Since it has a total of 2 prime factors.
9 , 2 , 97 , 21 , 758 , 353 , 2447 , 6800 , 22787 , 29669 , 244355 , 188477 , 1782556 , 6938815 , 16153841 , 62740603 , 50048282 , 902525920 , 2497622563 , 2731423403
n×2
40244362
n×3
60366543
n×4
80488724
n×5
100610905
n÷2
10061090.5
n÷3
6707393.6666667
n÷3
5030545.25
n÷5
4024436.2
n2
404902168196761
n3
8.1475147157477E+21
n4
1.6394576581044E+29
n5
3.2989463738212E+36
2 √n
4485.7754067719
3 √n
271.99339030219
4 √n
66.97593154837
5 √n
28.889166388377
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
-20122180
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 20122181 can be divided by 4 positive divisors.
The sum of these divisors (counting 20122181) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000101001000101
3
Ternary
1101212022102222
4
Quaternary
1030300221011
5
Quinary
20122402211
6
Senary
1555142125
8
Octal
114605105
10
Decimal
20122181
12
Duodecimal
68a4945
16
Hexadecimal
1330a45
20
Vigesimal
65f591
36
Base36
bzadh
md5
2089e90119c84f9667bc60c70ddab7af
sha1
405a62348aba4fcd41ab399f062599fd0c161a43
sha256
33f916f0646a65ab50f0fc02584c9be7160f8b523c3d3eaca9913fc31b7140d9
sha512
671f914902273015c129aed9042d57765b5ac0361b6ce99b2c2c1917e33a94f3a216b82b90c9c62f3b145651b09f4d006dc9b7125fa5acd80fbd233d8c2c13fc
ripemd-160
eb1f30432e8145842bdc2e978b4756ada5fdf395
Diameter
40244362
Circumference
126431392.00761
Area
1.2720376770295E+15
Volume
3.4128229834677E+22
Surface area
5.0881507081181E+15
Circumference
126431392.00761
Perimeter
80488724
Area
404902168196761
Diagonal
28457061.274726
Surface area
2429413009180566
Volume
8.1475147157477E+21
Space diagonal
34852639.851097
Perimeter
60366543
Area
1.753277818529E+14
Altitude
17426319.925549
Surface area
1.753277818529E+14
Volume
9.6019381755373E+20
Height
9485687.0915754