20201218 is an even 8-digits composite number following 20201217
and preceding 20201219 . In scientific notation, it is written as 2.0201218 × 10^7.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 9568980 positive integers (up to 20201218) that are relatively prime to 20201218.
20201218 has 8 divisors, whose sum is 31896720
The reverse of 20201218 is 81210202
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million two hundred one thousand two hundred eighteen
Scientific notation
2.0201218 × 10^7
Engineering notation
2.0201218 × 10^6
Prime Factorization
2 × 19 × 531611
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20201218
Product of the distinct prime numbers
The prime factorization of 20201218 is 2 × 19 × 531611.
Since it has a total of 3 prime factors.
10 , 8 , 59 , 84 , 421 , 379 , 5303 , 4448 , 23684 , 13995 , 379459 , 805523 , 2614001 , 7960918 , 58030151 , 57250080 , 990918633 , 481555870 , 5567151325 , 4360801371
n×2
40402436
n×3
60603654
n×4
80804872
n×5
101006090
n÷2
10100609
n÷3
6733739.3333333
n÷3
5050304.5
n÷5
4040243.6
n2
408089208683524
n3
8.2438990680634E+21
n4
1.6653680224394E+29
n5
3.3642462471528E+36
2 √n
4494.5765095279
3 √n
272.34904188295
4 √n
67.041602826364
5 √n
28.91182530459
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
-20201217
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 20201218 can be divided by 8 positive divisors.
The sum of these divisors (counting 20201218) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000011111100000010
3
Ternary
1102000022212021
4
Quaternary
1031003330002
5
Quinary
20132414333
6
Senary
2000552054
8
Octal
115037402
10
Decimal
20201218
12
Duodecimal
692262a
16
Hexadecimal
1343f02
20
Vigesimal
66530i
36
Base36
c0zcy
md5
7150159c6fa38b5cf24e990b00220e1a
sha1
bea385b3527ac695944a5a18869a6d77c578d7b1
sha256
5a3736c8e1f41e562d659d1afc4b2d494693f5667baf9a62692a9154d8161768
sha512
7cd9b9e1e43dfba65d62fd99af5f2a7aaf9693f58ed3e9bb0d25fa3c0f7ebd2b3756ad72932d3d0df4086a51af26b1be5f30d9027d1d3e7515ec4e5bcde8bf12
ripemd-160
8a55ca0daf653ae10a0222dc6ecca5cc1ddced44
Diameter
40402436
Circumference
126927996.12473
Area
1.2820500600094E+15
Volume
3.4531963665551E+22
Surface area
5.1282002400377E+15
Circumference
126927996.12473
Perimeter
80804872
Area
408089208683524
Diagonal
28568836.472055
Surface area
2448535252101144
Volume
8.2438990680634E+21
Space diagonal
34989535.950775
Perimeter
60603654
Area
1.7670781086511E+14
Altitude
17494767.975387
Surface area
1.7670781086511E+14
Volume
9.7155282240751E+20
Height
9522945.4906852