20403909 is an odd 8-digits composite number following 20403908
and preceding 20403910 . In scientific notation, it is written as 2.0403909 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 13033440 positive integers (up to 20403909) that are relatively prime to 20403909.
20403909 has 24 divisors, whose sum is 30730752
The reverse of 20403909 is 90930402
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred three thousand nine hundred nine
Scientific notation
2.0403909 × 10^7
Engineering notation
2.0403909 × 10^6
Prime Factorization
3 × 3 × 37 × 71 × 863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6801303
Product of the distinct prime numbers
The prime factorization of 20403909 is 3 × 3 × 37 × 71 × 863.
Since it has a total of 5 prime factors.
10 , 7 , 43 , 46 , 149 , 120 , 4631 , 9239 , 99937 , 7750 , 934623 , 751703 , 2235095 , 361045 , 2355036 , 21193206 , 718232185 , 392004928 , 4098047575 , 597636151
n×2
40807818
n×3
61211727
n×4
81615636
n×5
102019545
n÷2
10201954.5
n÷3
6801303
n÷3
5100977.25
n÷5
4080781.8
n2
416319502480281
n3
8.4945452435329E+21
n4
1.7332192814543E+29
n5
3.5364448495839E+36
2 √n
4517.0686291001
3 √n
273.25689299446
4 √n
67.209140963861
5 √n
28.969611799959
1 , 3 , 9 , 37 , 71 , 111 , 213 , 333 , 639 , 863 , 2589 , 2627 , 7767 , 7881 , 23643 , 31931 , 61273 , 95793 , 183819 , 287379 , 551457 , 2267101 , 6801303 , 20403909
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
-20403908
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 20403909 can be divided by 24 positive divisors.
The sum of these divisors (counting 20403909) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110101011011000101
3
Ternary
1102101121220100
4
Quaternary
1031311123011
5
Quinary
20210411114
6
Senary
2005154313
8
Octal
115653305
10
Decimal
20403909
12
Duodecimal
69bb999
16
Hexadecimal
13756c5
20
Vigesimal
67a9f9
36
Base36
c5br9
md5
0f7ce081249696cd3723ce37109dcc38
sha1
a73b9d4f5ffe8d26e96d830103c6d02aca2d96fb
sha256
67a977561ce7fd890c802c12b08c5e602d1a8fc32cf181b953763f01adb5bbef
sha512
dfa8033ace9e416690b90c561ca9a1acaf9fb199c55f68efb43e54946ba572b7e304093a730086d610261272ae30789ebaf691c253b28cf1aa7472b4fc8862a0
ripemd-160
a05b644755d1e5ed0fff982170622840539558c0
Diameter
40807818
Circumference
128201541.23783
Area
1.3079062905382E+15
Volume
3.5581867910226E+22
Surface area
5.2316251621528E+15
Circumference
128201541.23783
Perimeter
81615636
Area
416319502480281
Diagonal
28855484.833226
Surface area
2497917014881686
Volume
8.4945452435329E+21
Space diagonal
35340607.061012
Perimeter
61211727
Area
1.8027163261941E+14
Altitude
17670303.530506
Surface area
1.8027163261941E+14
Volume
1.0010917574663E+21
Height
9618494.9444088