20091906 is an even 8-digits composite number following 20091905
and preceding 20091907 . In scientific notation, it is written as 2.0091906 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 6481080 positive integers (up to 20091906) that are relatively prime to 20091906.
20091906 has 24 divisors, whose sum is 44937984
The reverse of 20091906 is 60919002
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million ninety-one thousand nine hundred six
Scientific notation
2.0091906 × 10^7
Engineering notation
2.0091906 × 10^6
Prime Factorization
2 × 31 × 3 × 3 × 36007
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6697302
Product of the distinct prime numbers
The prime factorization of 20091906 is 2 × 31 × 3 × 3 × 36007.
Since it has a total of 5 prime factors.
4 , 10 , 100 , 32 , 290 , 1000 , 3002 , 3208 , 34742 , 52668 , 392102 , 448708 , 755190 , 1762725 , 60165822 , 23263807 , 661202304 , 319694446 , 5531568919 , 1821838328
n×2
40183812
n×3
60275718
n×4
80367624
n×5
100459530
n÷2
10045953
n÷3
6697302
n÷3
5022976.5
n÷5
4018381.2
n2
403684686712836
n3
8.1107947790737E+21
n4
1.6296132628644E+29
n5
3.2742036493825E+36
2 √n
4482.3995805818
3 √n
271.85691183663
4 √n
66.95072501909
5 √n
28.880468063333
1 , 2 , 3 , 6 , 9 , 18 , 31 , 62 , 93 , 186 , 279 , 558 , 36007 , 72014 , 108021 , 216042 , 324063 , 648126 , 1116217 , 2232434 , 3348651 , 6697302 , 10045953 , 20091906
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
-20091905
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 20091906 can be divided by 24 positive divisors.
The sum of these divisors (counting 20091906) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100101001010000000010
3
Ternary
1101210202220200
4
Quaternary
1030221100002
5
Quinary
20120420111
6
Senary
1554350030
8
Octal
114512002
10
Decimal
20091906
12
Duodecimal
688b316
16
Hexadecimal
1329402
20
Vigesimal
65b9f6
36
Base36
byn0i
md5
967a773f9629392c47ec5dfb36234c24
sha1
9dda1be1fed777973c14489d79c71fb7ab18791e
sha256
07e4e8a86f9aa38bb912005d6bd5d9f1d316e031966be0f0e38e2d9d2ff991fd
sha512
93c10c9d034cf3d71cf8d5eb098b5bf02256b039e0adcb2b6d334ee361eb30419826ab2649a3bbefeb9b22effe3062880fa04f19f330e79627c20af797cb34e0
ripemd-160
cfdf676bb216a3f95414790bc73aa88194444673
Diameter
40183812
Circumference
126241168.57243
Area
1.2682128461437E+15
Volume
3.3974417723617E+22
Surface area
5.072851384575E+15
Circumference
126241168.57243
Perimeter
80367624
Area
403684686712836
Diagonal
28414245.959125
Surface area
2422108120277016
Volume
8.1107947790737E+21
Space diagonal
34800202.012898
Perimeter
60275718
Area
1.7480059690604E+14
Altitude
17400101.006449
Surface area
1.7480059690604E+14
Volume
9.5586633151592E+20
Height
9471415.3197085