20168931 is an odd 8-digits composite number following 20168930
and preceding 20168932 . In scientific notation, it is written as 2.0168931 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13423880 positive integers (up to 20168931) that are relatively prime to 20168931.
20168931 has 8 divisors, whose sum is 26936064
The reverse of 20168931 is 13986102
Previous prime number is 647
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred sixty-eight thousand nine hundred thirty-one
Scientific notation
2.0168931 × 10^7
Engineering notation
2.0168931 × 10^6
Prime Factorization
3 × 647 × 10391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20168931
Product of the distinct prime numbers
The prime factorization of 20168931 is 3 × 647 × 10391.
Since it has a total of 3 prime factors.
9 , 9 , 14 , 16 , 470 , 100 , 3849 , 3196 , 8015 , 2059 , 530726 , 928920 , 9846132 , 5812906 , 3485891 , 82290701 , 667973253 , 170604217 , 4820657607 , 4748154807
n×2
40337862
n×3
60506793
n×4
80675724
n×5
100844655
n÷2
10084465.5
n÷3
6722977
n÷3
5042232.75
n÷5
4033786.2
n2
406785777682761
n3
8.2044342818649E+21
n4
1.6547466892497E+29
n5
3.3374471797955E+36
2 √n
4490.9832999021
3 √n
272.20386874889
4 √n
67.014799111108
5 √n
28.902577610166
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
-20168930
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 20168931 can be divided by 8 positive divisors.
The sum of these divisors (counting 20168931) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111100000011100011
3
Ternary
1101221200120110
4
Quaternary
1030330003203
5
Quinary
20130401211
6
Senary
2000142403
8
Octal
114740343
10
Decimal
20168931
12
Duodecimal
6907a03
16
Hexadecimal
133c0e3
20
Vigesimal
66126b
36
Base36
c0ag3
md5
d59236c416acad205a6be9d8f4b403fe
sha1
e4c8afb01d31acb013319d80a3577dceb88bf61c
sha256
660305a318f00bc023828bd6b36fab77b2ce86de223b947bb1b1ac6229bf833b
sha512
f8b73264454586d13331d02453db9b39d828c7ae6a00cdd5ae54efe6a8d5553800ce34613138b54718d8f810939f3a96e11d23f7234d3363331f0464ac439a4a
ripemd-160
905521b68541ea5d709a26345486323ccaca6cac
Diameter
40337862
Circumference
126725130.92072
Area
1.277955210753E+15
Volume
3.436665395569E+22
Surface area
5.1118208430119E+15
Circumference
126725130.92072
Perimeter
80675724
Area
406785777682761
Diagonal
28523175.758767
Surface area
2440714666096566
Volume
8.2044342818649E+21
Space diagonal
34933613.226351
Perimeter
60506793
Area
1.7614340868574E+14
Altitude
17466806.613175
Surface area
1.7614340868574E+14
Volume
9.6690185275101E+20
Height
9507725.2529224