20091897 is an odd 8-digits composite number following 20091896
and preceding 20091898 . In scientific notation, it is written as 2.0091897 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 11481048 positive integers (up to 20091897) that are relatively prime to 20091897.
20091897 has 8 divisors, whose sum is 25513600
The reverse of 20091897 is 79819002
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million ninety-one thousand eight hundred ninety-seven
Scientific notation
2.0091897 × 10^7
Engineering notation
2.0091897 × 10^6
Prime Factorization
9 × 7 × 318919
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20091897
Product of the distinct prime numbers
The prime factorization of 20091897 is 9 × 7 × 318919.
Since it has a total of 3 prime factors.
2 , 8 , 50 , 61 , 985 , 954 , 2370 , 3447 , 92324 , 11940 , 243101 , 241830 , 3017661 , 686610 , 52571421 , 28311310 , 325182451 , 81639525 , 3248362458 , 5408423114
n×2
40183794
n×3
60275691
n×4
80367588
n×5
100459485
n÷2
10045948.5
n÷3
6697299
n÷3
5022974.25
n÷5
4018379.4
n2
403684325058609
n3
8.1107838795921E+21
n4
1.6296103429802E+29
n5
3.2741963161294E+36
2 √n
4482.3985766551
3 √n
271.85687124462
4 √n
66.950717521586
5 √n
28.880465475981
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
-20091896
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 20091897 can be divided by 8 positive divisors.
The sum of these divisors (counting 20091897) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101001001111111001
3
Ternary
1101210202220100
4
Quaternary
1030221033321
5
Quinary
20120420042
6
Senary
1554350013
8
Octal
114511771
10
Decimal
20091897
12
Duodecimal
688b309
16
Hexadecimal
13293f9
20
Vigesimal
65b9eh
36
Base36
byn09
md5
11b49ff32b27f9cd046da36b97704a31
sha1
a599f675740a84d257941cb6a704598a7752b74b
sha256
9318fe39f280dbe58d1ff674671af465a8a17364f47fac6a4a03ad01c09c4432
sha512
13623e5a8387278601eff94e602d26a69e235a872edbca63ab00eeb360fac475f676af41d89f7a64f5f6331966d93e29c431f43817a9d75c962a455139880e1c
ripemd-160
fc2b5cdfafeffd043ce8766bfb77d52f1f23636d
Diameter
40183794
Circumference
126241112.02377
Area
1.2682117099735E+15
Volume
3.3974372067975E+22
Surface area
5.0728468398939E+15
Circumference
126241112.02377
Perimeter
80367588
Area
403684325058609
Diagonal
28414233.231203
Surface area
2422105950351654
Volume
8.1107838795921E+21
Space diagonal
34800186.424441
Perimeter
60275691
Area
1.7480044030517E+14
Altitude
17400093.21222
Surface area
1.7480044030517E+14
Volume
9.5586504699968E+20
Height
9471411.0770678