20218709 is an odd 8-digits composite number following 20218708
and preceding 20218710 . In scientific notation, it is written as 2.0218709 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 17330316 positive integers (up to 20218709) that are relatively prime to 20218709.
20218709 has 4 divisors, whose sum is 23107104
The reverse of 20218709 is 90781202
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million two hundred eighteen thousand seven hundred nine
Scientific notation
2.0218709 × 10^7
Engineering notation
2.0218709 × 10^6
Prime Factorization
7 × 2888387
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20218709
Product of the distinct prime numbers
The prime factorization of 20218709 is 7 × 2888387.
Since it has a total of 2 prime factors.
1 , 2 , 95 , 36 , 725 , 536 , 4943 , 4693 , 75512 , 65347 , 552584 , 915254 , 9332916 , 3554577 , 52453592 , 8236671 , 65679361 , 822043012 , 4547125216 , 2420456989
n×2
40437418
n×3
60656127
n×4
80874836
n×5
101093545
n÷2
10109354.5
n÷3
6739569.6666667
n÷3
5054677.25
n÷5
4043741.8
n2
408796193626681
n3
8.2653312792455E+21
n4
1.6711432792366E+29
n5
3.3788359660191E+36
2 √n
4496.5218780742
3 √n
272.42762267115
4 √n
67.056109923513
5 √n
28.916830168025
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
-20218708
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 20218709 can be divided by 4 positive divisors.
The sum of these divisors (counting 20218709) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101001000001101010101
3
Ternary
1102001012212002
4
Quaternary
1031020031111
5
Quinary
20133444314
6
Senary
2001205045
8
Octal
115101525
10
Decimal
20218709
12
Duodecimal
6930785
16
Hexadecimal
1348355
20
Vigesimal
6676f9
36
Base36
c1cut
md5
0edc91ae202525556ff3562d04883498
sha1
722e66a0b0447ab9665989e49746e67d2a69e922
sha256
da8a84eda93092646c991524e315925bfb76458e62b7576afe4111e800f15abf
sha512
7b6da29eaab66dd591234a68323ddebe047cc432f54c228807c0831e39cb71a66b1cb978dfcded8d8b255c5989b2b27250291ce568fb34a5e91cbf1e3fd232b6
ripemd-160
c61d1791aed0b0205e244aec8665549a741f36c7
Diameter
40437418
Circumference
127037895.31894
Area
1.2842711187131E+15
Volume
3.4621738701818E+22
Surface area
5.1370844748522E+15
Circumference
127037895.31894
Perimeter
80874836
Area
408796193626681
Diagonal
28593572.481475
Surface area
2452777161760086
Volume
8.2653312792455E+21
Space diagonal
35019831.25145
Perimeter
60656127
Area
1.7701394432554E+14
Altitude
17509915.625725
Surface area
1.7701394432554E+14
Volume
9.7407863271796E+20
Height
9531190.8271583