20108831 is an odd 8-digits composite number following 20108830
and preceding 20108832 . In scientific notation, it is written as 2.0108831 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 19052440 positive integers (up to 20108831) that are relatively prime to 20108831.
20108831 has 8 divisors, whose sum is 21181824
The reverse of 20108831 is 13880102
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred eight thousand eight hundred thirty-one
Scientific notation
2.0108831 × 10^7
Engineering notation
2.0108831 × 10^6
Prime Factorization
23 × 107 × 8171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20108831
Product of the distinct prime numbers
The prime factorization of 20108831 is 23 × 107 × 8171.
Since it has a total of 3 prime factors.
7 , 10 , 8 , 49 , 300 , 878 , 598 , 1299 , 25915 , 61760 , 207219 , 704412 , 3870331 , 6957901 , 3609707 , 26396055 , 157811312 , 635008673 , 2722437487 , 9581353766
n×2
40217662
n×3
60326493
n×4
80435324
n×5
100544155
n÷2
10054415.5
n÷3
6702943.6666667
n÷3
5027207.75
n÷5
4021766.2
n2
404365084186561
n3
8.1313091402083E+21
n4
1.635111213092E+29
n5
3.2880175050273E+36
2 √n
4484.2871228323
3 √n
271.93322593145
4 √n
66.964820038826
5 √n
28.885332084722
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20108830
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20108831 can be divided by 8 positive divisors.
The sum of these divisors (counting 20108831) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101101011000011111
3
Ternary
1101211122010112
4
Quaternary
1030231120133
5
Quinary
20121440311
6
Senary
1555000235
8
Octal
114553037
10
Decimal
20108831
12
Duodecimal
689907b
16
Hexadecimal
132d61f
20
Vigesimal
65dc1b
36
Base36
bz02n
md5
98a6d5543aa37a3b5f318a7b43b02c7f
sha1
c7b8950ace4ee4191e84d3090f631a596a4c2a76
sha256
c73de1abdaaa3293de195336ef6a9bbcef6de2e3e4b7313b562dc46463e94653
sha512
765c0cf1f5dbeaf1fac6a8ab32f01bf6b5ce7e77434a31df8d9ff9f20d5535fe1d523ca48eb3269f7d83388965ddf6032f1df7de6fbcb90c9349ddad94819176
ripemd-160
bdaae9f67eef6b5842b06df666e972bbf7aa427c
Diameter
40217662
Circumference
126347511.48376
Area
1.2703503778487E+15
Volume
3.4060348078595E+22
Surface area
5.0814015113949E+15
Circumference
126347511.48376
Perimeter
80435324
Area
404365084186561
Diagonal
28438181.523669
Surface area
2426190505119366
Volume
8.1313091402083E+21
Space diagonal
34829516.972816
Perimeter
60326493
Area
1.750952176545E+14
Altitude
17414758.486408
Surface area
1.750952176545E+14
Volume
9.5828397216091E+20
Height
9479393.8412228