20218109 is an odd 8-digits composite number following 20218108
and preceding 20218110 . In scientific notation, it is written as 2.0218109 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 19067616 positive integers (up to 20218109) that are relatively prime to 20218109.
20218109 has 8 divisors, whose sum is 21378240
The reverse of 20218109 is 90181202
Previous prime number is 233
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million two hundred eighteen thousand one hundred nine
Scientific notation
2.0218109 × 10^7
Engineering notation
2.0218109 × 10^6
Prime Factorization
19 × 233 × 4567
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20218109
Product of the distinct prime numbers
The prime factorization of 20218109 is 19 × 233 × 4567.
Since it has a total of 3 prime factors.
8 , 6 , 57 , 2 , 428 , 55 , 9610 , 5472 , 86216 , 33835 , 447663 , 720196 , 7886725 , 9349958 , 74721983 , 80917715 , 374016279 , 711969756 , 859684452 , 9296699388
n×2
40436218
n×3
60654327
n×4
80872436
n×5
101090545
n÷2
10109054.5
n÷3
6739369.6666667
n÷3
5054527.25
n÷5
4043621.8
n2
408771931535881
n3
8.264595467933E+21
n4
1.6709449201157E+29
n5
3.3783346527897E+36
2 √n
4496.455159345
3 √n
272.4249278372
4 √n
67.055612437327
5 √n
28.916658541795
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
-20218108
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 20218109 can be divided by 8 positive divisors.
The sum of these divisors (counting 20218109) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000000011111101
3
Ternary
1102001012000212
4
Quaternary
1031020003331
5
Quinary
20133434414
6
Senary
2001202205
8
Octal
115100375
10
Decimal
20218109
12
Duodecimal
6930365
16
Hexadecimal
13480fd
20
Vigesimal
667559
36
Base36
c1ce5
md5
652560ee45bc2afb03649ba02f33dceb
sha1
53f921b31e7bae46bf4c5c09acef44733bee81de
sha256
a2a11aeecdc0e27bbd0ad01270d548668bb6d22be2df37db6c8732bdec11bf52
sha512
85747cb4f963c2d85f56d2a59cc4e29768e3cfc0a8e271546dd5d030d288d2c1cd1ab089b6e434f0a4775ae372f03f0cc509348bd58c4f1eef6ccef1ea1160b6
ripemd-160
6bc3e598eff61b6f88dadbed889ee0cafb1c99e3
Diameter
40436218
Circumference
127034125.40776
Area
1.2841948971068E+15
Volume
3.46186565426E+22
Surface area
5.1367795884273E+15
Circumference
127034125.40776
Perimeter
80872436
Area
408771931535881
Diagonal
28592723.953338
Surface area
2452631589215286
Volume
8.264595467933E+21
Space diagonal
35018792.020966
Perimeter
60654327
Area
1.7700343853205E+14
Altitude
17509396.010483
Surface area
1.7700343853205E+14
Volume
9.7399191652317E+20
Height
9530907.9844458