20809958 is an even 8-digits composite number following 20809957
and preceding 20809959 . In scientific notation, it is written as 2.0809958 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 9468480 positive integers (up to 20809958) that are relatively prime to 20809958.
20809958 has 16 divisors, whose sum is 34092576
The reverse of 20809958 is 85990802
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million eight hundred nine thousand nine hundred fifty-eight
Scientific notation
2.0809958 × 10^7
Engineering notation
2.0809958 × 10^6
Prime Factorization
2 × 13 × 71 × 11273
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20809958
Product of the distinct prime numbers
The prime factorization of 20809958 is 2 × 13 × 71 × 11273.
Since it has a total of 4 prime factors.
4 , 9 , 38 , 84 , 243 , 113 , 8387 , 2626 , 69617 , 36932 , 21707 , 948065 , 7939224 , 341589 , 45308189 , 73838012 , 792988957 , 582925572 , 7181915253 , 1084150321
n×2
41619916
n×3
62429874
n×4
83239832
n×5
104049790
n÷2
10404979
n÷3
6936652.6666667
n÷3
5202489.5
n÷5
4161991.6
n2
433054351961764
n3
9.0118428760415E+21
n4
1.8753607175302E+29
n5
3.9026177766654E+36
2 √n
4561.7932877324
3 √n
275.05765402763
4 √n
67.541048909033
5 √n
29.08400701604
1 , 2 , 13 , 26 , 71 , 142 , 923 , 1846 , 11273 , 22546 , 146549 , 293098 , 800383 , 1600766 , 10404979 , 20809958
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20809957
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20809958 can be divided by 16 positive divisors.
The sum of these divisors (counting 20809958) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111011000100011100110
3
Ternary
1110011020220012
4
Quaternary
1033120203212
5
Quinary
20311404313
6
Senary
2022010222
8
Octal
117304346
10
Decimal
20809958
12
Duodecimal
6b76972
16
Hexadecimal
13d88e6
20
Vigesimal
6a14hi
36
Base36
ce12e
md5
639e4fd31c172b38c8b7022f1379641d
sha1
9386bd51fae2433fc140c4b2f6b833959103301b
sha256
833347cfe6e59896db406d176dbee936858cd26d08347fbd1ad029adfbd96d33
sha512
b0e85f2cb2c1d6883941e94daca67ae11f2866979c2c2e3735d93bb8210af1f3e6abb9bc9660e34c2c896c674a275906e8c3cb14c60349f3f616d6d96f065d13
ripemd-160
d0fa7c2d79a16c6cccfeb05391ff7d2fed3846a0
Diameter
41619916
Circumference
130752822.34862
Area
1.3604803707282E+15
Volume
3.7748719166237E+22
Surface area
5.4419214829127E+15
Circumference
130752822.34862
Perimeter
83239832
Area
433054351961764
Diagonal
29429724.836014
Surface area
2598326111770584
Volume
9.0118428760415E+21
Space diagonal
36043904.559374
Perimeter
62429874
Area
1.8751803500915E+14
Altitude
18021952.279687
Surface area
1.8751803500915E+14
Volume
1.0620558681061E+21
Height
9809908.2786715