20308908 is an even 8-digits composite number following 20308907
and preceding 20308909 . In scientific notation, it is written as 2.0308908 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6475216 positive integers (up to 20308908) that are relatively prime to 20308908.
20308908 has 24 divisors, whose sum is 49448448
The reverse of 20308908 is 80980302
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million three hundred eight thousand nine hundred eight
Scientific notation
2.0308908 × 10^7
Engineering notation
2.0308908 × 10^6
Prime Factorization
2 × 2 × 3 × 23 × 73583
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10154454
Product of the distinct prime numbers
The prime factorization of 20308908 is 2 × 2 × 3 × 23 × 73583.
Since it has a total of 5 prime factors.
5 , 4 , 82 , 35 , 675 , 496 , 179 , 8077 , 92818 , 99806 , 150568 , 419214 , 7172309 , 2675112 , 80728730 , 47670169 , 643760439 , 736243950 , 8069038698 , 2759915239
n×2
40617816
n×3
60926724
n×4
81235632
n×5
101544540
n÷2
10154454
n÷3
6769636
n÷3
5077227
n÷5
4061781.6
n2
412451744152464
n3
8.3764445264319E+21
n4
1.7011644125441E+29
n5
3.4548791547232E+36
2 √n
4506.5405800902
3 √n
272.83213660387
4 √n
67.130772229211
5 √n
28.942584801678
1 , 2 , 3 , 4 , 6 , 12 , 23 , 46 , 69 , 92 , 138 , 276 , 73583 , 147166 , 220749 , 294332 , 441498 , 882996 , 1692409 , 3384818 , 5077227 , 6769636 , 10154454 , 20308908
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
-20308907
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 20308908 can be divided by 24 positive divisors.
The sum of these divisors (counting 20308908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101011110001110101100
3
Ternary
1102012210120210
4
Quaternary
1031132032230
5
Quinary
20144341113
6
Senary
2003142420
8
Octal
115361654
10
Decimal
20308908
12
Duodecimal
6974a10
16
Hexadecimal
135e3ac
20
Vigesimal
66ic58
36
Base36
c3agc
md5
185068089cede225b13ff5c62efaf6e6
sha1
c5435758b5b50af24c0baa49b65bbd071f5edd62
sha256
928220de1e8cb6ffb2ddf44edf23ccbda4b4aaeea26cc978fa214f93b07d5ca3
sha512
e05225fffc38773946a8d23cc8a308bfed4a3743eff0b99886cba9e2b5c96d47361f258dd11349ea5f542331d1c90e9c57757959e0f9e2870551163d54afabf2
ripemd-160
2e636aa96384741855105f931b1c0a17c0a98a04
Diameter
40617816
Circumference
127604632.35046
Area
1.2957553693897E+15
Volume
3.5087168783255E+22
Surface area
5.1830214775587E+15
Circumference
127604632.35046
Perimeter
81235632
Area
412451744152464
Diagonal
28721133.130587
Surface area
2474710464914784
Volume
8.3764445264319E+21
Space diagonal
35176060.502242
Perimeter
60926724
Area
1.7859684413562E+14
Altitude
17588030.251121
Surface area
1.7859684413562E+14
Volume
9.8717345447883E+20
Height
9573711.0435292