20102809 is an odd 8-digits prime number following 20102808
and preceding 20102810 . In scientific notation, it is written as 2.0102809 × 10^7.
The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors.
There are 20102808 positive integers (up to 20102809) that are relatively prime to 20102809.
20102809 has 2 divisors, whose sum is 20102810
The reverse of 20102809 is 90820102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred two thousand eight hundred nine
Scientific notation
2.0102809 × 10^7
Engineering notation
2.0102809 × 10^6
Prime Factorization
20102809
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20102809
Product of the distinct prime numbers
The prime factorization of 20102809 is 20102809.
Since it has a total of 1 prime factors.
10 , 8 , 25 , 61 , 176 , 997 , 7527 , 2864 , 42746 , 91551 , 284251 , 481539 , 7112751 , 1929644 , 64906048 , 14418804 , 471988990 , 828998006 , 6454498775 , 4528517009
n×2
40205618
n×3
60308427
n×4
80411236
n×5
100514045
n÷2
10051404.5
n÷3
6700936.3333333
n÷3
5025702.25
n÷5
4020561.8
n2
404122929690481
n3
8.1240060680882E+21
n4
1.6331534230162E+29
n5
3.283097133059E+36
2 √n
4483.6156168878
3 √n
271.90607790242
4 √n
66.959805980064
5 √n
28.883601816956
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20102810
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10051405
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4483.6157284049
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999005114
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20102809 can be divided by 2 positive divisors.
The sum of these divisors (counting 20102809) is 20102810, the average is 10051405.
Base
System
Value
2
Binary
1001100101011111010011001
3
Ternary
1101211022212111
4
Quaternary
1030223322121
5
Quinary
20121242214
6
Senary
1554512321
8
Octal
114537231
10
Decimal
20102809
12
Duodecimal
68956a1
16
Hexadecimal
132be99
20
Vigesimal
65ch09
36
Base36
byvfd
md5
da4ba0688718602b6aef7a8b3c2465d2
sha1
7654bbfe0118ae5e067d0f7de5082addcd7fa403
sha256
07a10eab168d3dc62168ac973b8d4213d908fd3dc2891aed430df6c99d373603
sha512
eb7614ef1e71f4c8d48d26a6510aa48fa82f13c01768d73d37bc4371ef56caf4a86d498284666b988dc77dfa7a95729d64beb2b8dfa59c2b1fd2146f0e21c3ae
ripemd-160
7f641adad17f37e796c467c02ddc9a075938c79b
Diameter
40205618
Circumference
126309674.14184
Area
1.2695896270628E+15
Volume
3.4029757041633E+22
Surface area
5.0783585082512E+15
Circumference
126309674.14184
Perimeter
80411236
Area
404122929690481
Diagonal
28429665.129596
Surface area
2424737578142886
Volume
8.1240060680882E+21
Space diagonal
34819086.562853
Perimeter
60308427
Area
1.7499036168187E+14
Altitude
17409543.281426
Surface area
1.7499036168187E+14
Volume
9.5742329685763E+20
Height
9476555.0431986