20019909 is an odd 8-digits composite number following 20019908
and preceding 20019910 . In scientific notation, it is written as 2.0019909 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 10558080 positive integers (up to 20019909) that are relatively prime to 20019909.
20019909 has 24 divisors, whose sum is 33039552
The reverse of 20019909 is 90991002
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million nineteen thousand nine hundred nine
Scientific notation
2.0019909 × 10^7
Engineering notation
2.0019909 × 10^6
Prime Factorization
3 × 7 × 13 × 13 × 5641
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1539993
Product of the distinct prime numbers
The prime factorization of 20019909 is 3 × 7 × 13 × 13 × 5641.
Since it has a total of 5 prime factors.
9 , 3 , 84 , 55 , 58 , 10 , 6855 , 9004 , 43447 , 74137 , 224380 , 552150 , 6616268 , 7375491 , 68573812 , 78564846 , 806058745 , 274569988 , 7305406290 , 8144082613
n×2
40039818
n×3
60059727
n×4
80079636
n×5
100099545
n÷2
10009954.5
n÷3
6673303
n÷3
5004977.25
n÷5
4003981.8
n2
400796756368281
n3
8.0239145899882E+21
n4
1.6063803991534E+29
n5
3.2159589410434E+36
2 √n
4474.3612952018
3 √n
271.53180069019
4 √n
66.890666727144
5 √n
28.859740374633
1 , 3 , 7 , 13 , 21 , 39 , 91 , 169 , 273 , 507 , 1183 , 3549 , 5641 , 16923 , 39487 , 73333 , 118461 , 219999 , 513331 , 953329 , 1539993 , 2859987 , 6673303 , 20019909
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20019908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20019909 can be divided by 24 positive divisors.
The sum of these divisors (counting 20019909) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100010111101011000101
3
Ternary
1101200010011010
4
Quaternary
1030113223011
5
Quinary
20111114114
6
Senary
1553032433
8
Octal
114275305
10
Decimal
20019909
12
Duodecimal
6855719
16
Hexadecimal
1317ac5
20
Vigesimal
6529f9
36
Base36
bx3gl
md5
b397e3a49c91e9814a630fa3bf205661
sha1
42ed660655c8cc06facdc632f45db1821cb9b435
sha256
49eec300c7375900277540f14f341e03e8a49a5cf6d5df601f74a4a080343ae8
sha512
0a613f52ed75588dd2d409a2aba011f16055a6e4e797198bb688f626a40e9d8c8fc176d2d6173d0d535dbdf441c3b458596a4fd506513ebc3c1bea5dda26aa91
ripemd-160
e9ea5781745dcc12febd51f3dc626073f42b0833
Diameter
40039818
Circumference
125788798.07987
Area
1.2591401453892E+15
Volume
3.3610494838585E+22
Surface area
5.0365605815568E+15
Circumference
125788798.07987
Perimeter
80079636
Area
400796756368281
Diagonal
28312426.825275
Surface area
2404780538209686
Volume
8.0239145899882E+21
Space diagonal
34675499.550905
Perimeter
60059727
Area
1.7355008638467E+14
Altitude
17337749.775453
Surface area
1.7355008638467E+14
Volume
9.4562740304038E+20
Height
9437475.6084251