20211018 is an even 8-digits composite number following 20211017
and preceding 20211019 . In scientific notation, it is written as 2.0211018 × 10^7.
The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors.
There are 6702416 positive integers (up to 20211018) that are relatively prime to 20211018.
20211018 has 16 divisors, whose sum is 40629600
The reverse of 20211018 is 81011202
Previous prime number is 197
Is Prime? no
Number parity even
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million two hundred eleven thousand eighteen
Scientific notation
2.0211018 × 10^7
Engineering notation
2.0211018 × 10^6
Prime Factorization
2 × 3 × 197 × 17099
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20211018
Product of the distinct prime numbers
The prime factorization of 20211018 is 2 × 3 × 197 × 17099.
Since it has a total of 4 prime factors.
1 , 10 , 49 , 58 , 879 , 736 , 9243 , 440 , 60303 , 1276 , 692161 , 176045 , 7649021 , 3653859 , 35915759 , 60441567 , 872738011 , 66644123 , 425666383 , 1564686800
n×2
40422036
n×3
60633054
n×4
80844072
n×5
101055090
n÷2
10105509
n÷3
6737006
n÷3
5052754.5
n÷5
4042203.6
n2
408485248596324
n3
8.2559027121148E+21
n4
1.668601983208E+29
n5
3.3724144717453E+36
2 √n
4495.6665801636
3 √n
272.3930753521
4 √n
67.049732140879
5 √n
28.914629897098
1 , 2 , 3 , 6 , 197 , 394 , 591 , 1182 , 17099 , 34198 , 51297 , 102594 , 3368503 , 6737006 , 10105509 , 20211018
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20211017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20211018 can be divided by 16 positive divisors.
The sum of these divisors (counting 20211018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000110010101001010
3
Ternary
1102000211022020
4
Quaternary
1031012111022
5
Quinary
20133223033
6
Senary
2001105310
8
Octal
115062512
10
Decimal
20211018
12
Duodecimal
6928236
16
Hexadecimal
134654a
20
Vigesimal
6667ai
36
Base36
c16x6
md5
8996eae0c64321f7eee9c45aadff3f8c
sha1
ab2f2fcef6a7eaa120fb9ffdf8d86a95fb60b6c1
sha256
6de788ba53b630e3fa11a8299f26e5fd7cb47b23677732939b5aeeea77137611
sha512
03a96b1bb703d0e3f6b36711c9479cc4d4559db5aca459e56b4bba9ae357336f1d0bbefd7909094172c398a36908acd2eeda74224cd60925a3355401a19187c9
ripemd-160
fce215af22a583d79f390104aa902cfd24a1924d
Diameter
40422036
Circumference
126989571.34074
Area
1.28329425609E+15
Volume
3.4582244412176E+22
Surface area
5.13317702436E+15
Circumference
126989571.34074
Perimeter
80844072
Area
408485248596324
Diagonal
28582695.764967
Surface area
2450911491577944
Volume
8.2559027121148E+21
Space diagonal
35006510.048689
Perimeter
60633054
Area
1.7687930117781E+14
Altitude
17503255.024345
Surface area
1.7687930117781E+14
Volume
9.7296746542546E+20
Height
9527565.2549889