20202689 is an odd 8-digits composite number following 20202688
and preceding 20202690 . In scientific notation, it is written as 2.0202689 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 18504720 positive integers (up to 20202689) that are relatively prime to 20202689.
20202689 has 8 divisors, whose sum is 21924672
The reverse of 20202689 is 98620202
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million two hundred two thousand six hundred eighty-nine
Scientific notation
2.0202689 × 10^7
Engineering notation
2.0202689 × 10^6
Prime Factorization
13 × 131 × 11863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20202689
Product of the distinct prime numbers
The prime factorization of 20202689 is 13 × 131 × 11863.
Since it has a total of 3 prime factors.
4 , 9 , 66 , 28 , 327 , 519 , 8906 , 8684 , 22200 , 31285 , 306878 , 415151 , 3945407 , 327318 , 35197719 , 31415468 , 102412998 , 600434811 , 3783758239 , 2492984913
n×2
40405378
n×3
60608067
n×4
80810756
n×5
101013445
n÷2
10101344.5
n÷3
6734229.6666667
n÷3
5050672.25
n÷5
4040537.8
n2
408148642830721
n3
8.2457000968811E+21
n4
1.6658531464456E+29
n5
3.3654713037312E+36
2 √n
4494.7401482177
3 √n
272.35565230477
4 √n
67.042823241699
5 √n
28.912246349067
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
-20202688
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 20202689 can be divided by 8 positive divisors.
The sum of these divisors (counting 20202689) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000100010011000001
3
Ternary
1102000101212202
4
Quaternary
1031010103001
5
Quinary
20132441224
6
Senary
2001002545
8
Octal
115042301
10
Decimal
20202689
12
Duodecimal
6923455
16
Hexadecimal
13444c1
20
Vigesimal
6656e9
36
Base36
c10ht
md5
9afb5633ee34891faa6e682625cd6bda
sha1
7192cac71be9730bb3c22feaa66847ff989568a0
sha256
deb5d049cf81270f032a749efcbb06e084c0510a94252cab7e0230fc28886dcb
sha512
c57f3533c81168db6db1aadc46ebda74b1af349c411aab547fc224de4b0c3ec3eec4cfcd65dc6a94cb98bc1f4366e11fe456d5b985f544e4a1daaf0b2f9054ae
ripemd-160
2cfba150a2ded67f9d89a98d329a5b4a4c5477d0
Diameter
40405378
Circumference
126937238.69032
Area
1.2822367778896E+15
Volume
3.4539507797422E+22
Surface area
5.1289471115586E+15
Circumference
126937238.69032
Perimeter
80810756
Area
408148642830721
Diagonal
28570916.780206
Surface area
2448891856984326
Volume
8.2457000968811E+21
Space diagonal
34992083.797513
Perimeter
60608067
Area
1.7673354660577E+14
Altitude
17496041.898756
Surface area
1.7673354660577E+14
Volume
9.717650756892E+20
Height
9523638.9267352