20209909 is an odd 8-digits prime number following 20209908
and preceding 20209910 . In scientific notation, it is written as 2.0209909 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 20209908 positive integers (up to 20209909) that are relatively prime to 20209909.
20209909 has 2 divisors, whose sum is 20209910
The reverse of 20209909 is 90990202
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million two hundred nine thousand nine hundred nine
Scientific notation
2.0209909 × 10^7
Engineering notation
2.0209909 × 10^6
Prime Factorization
20209909
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20209909
Product of the distinct prime numbers
The prime factorization of 20209909 is 20209909.
Since it has a total of 1 prime factors.
1 , 3 , 28 , 39 , 51 , 718 , 9727 , 6939 , 75780 , 76747 , 835934 , 438164 , 6463497 , 8672767 , 18039222 , 2336470 , 108514892 , 590631516 , 1859976219 , 8488303078
n×2
40419818
n×3
60629727
n×4
80839636
n×5
101049545
n÷2
10104954.5
n÷3
6736636.3333333
n÷3
5052477.25
n÷5
4041981.8
n2
408440421788281
n3
8.2545437562628E+21
n4
1.6682357815059E+29
n5
3.3714893334778E+36
2 √n
4495.5432374742
3 √n
272.38809309529
4 √n
67.048812349468
5 √n
28.91431257485
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20209910
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10104955
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4495.5433486955
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999010386
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20209909 can be divided by 2 positive divisors.
The sum of these divisors (counting 20209909) is 20209910, the average is 10104955.
Base
System
Value
2
Binary
1001101000110000011110101
3
Ternary
1102000202210011
4
Quaternary
1031012003311
5
Quinary
20133204114
6
Senary
2001100221
8
Octal
115060365
10
Decimal
20209909
12
Duodecimal
6927671
16
Hexadecimal
13460f5
20
Vigesimal
6664f9
36
Base36
c162d
md5
be1124138ef1c40fa2e3c79b7772937d
sha1
fee5b09e83da290fd5f3c7797cbad7a3115113ff
sha256
08adf697b8f3242000962fac7e7fc95567929c37c188a3b6f2b46f7d396a20bb
sha512
0db083b943983f94d259ed2826f9052fea78f3a9c964443378cf1c9548333209e406b97a2b7944a0abe38369e414cdf8f4b1212d0e4358db30c6c7aaabec1baf
ripemd-160
617da2ac65e7dd4ba83e61ba64ec798caaf8321a
Diameter
40419818
Circumference
126982603.28824
Area
1.2831534285192E+15
Volume
3.4576552031214E+22
Surface area
5.1326137140767E+15
Circumference
126982603.28824
Perimeter
80839636
Area
408440421788281
Diagonal
28581127.402126
Surface area
2450642530729686
Volume
8.2545437562628E+21
Space diagonal
35004589.204344
Perimeter
60629727
Area
1.7685989060054E+14
Altitude
17502294.602172
Surface area
1.7685989060054E+14
Volume
9.7280731094241E+20
Height
9527042.4673754