20111897 is an odd 8-digits composite number following 20111896
and preceding 20111898 . In scientific notation, it is written as 2.0111897 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 18564816 positive integers (up to 20111897) that are relatively prime to 20111897.
20111897 has 4 divisors, whose sum is 21658980
The reverse of 20111897 is 79811102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred eleven thousand eight hundred ninety-seven
Scientific notation
2.0111897 × 10^7
Engineering notation
2.0111897 × 10^6
Prime Factorization
13 × 1547069
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20111897
Product of the distinct prime numbers
The prime factorization of 20111897 is 13 × 1547069.
Since it has a total of 2 prime factors.
8 , 8 , 67 , 48 , 493 , 862 , 4639 , 7911 , 82623 , 92805 , 203330 , 131380 , 4803608 , 6095167 , 3256372 , 48288255 , 28600563 , 944409408 , 4797117153 , 9232098240
n×2
40223794
n×3
60335691
n×4
80447588
n×5
100559485
n÷2
10055948.5
n÷3
6703965.6666667
n÷3
5027974.25
n÷5
4022379.4
n2
404488400938609
n3
8.135029057372E+21
n4
1.6361086649387E+29
n5
3.2905248950055E+36
2 √n
4484.6289701602
3 √n
271.94704581155
4 √n
66.967372429865
5 √n
28.886212862201
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20111896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20111897 can be divided by 4 positive divisors.
The sum of these divisors (counting 20111897) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101110001000011001
3
Ternary
1101211210100002
4
Quaternary
1030232020121
5
Quinary
20122040042
6
Senary
1555022345
8
Octal
114561031
10
Decimal
20111897
12
Duodecimal
689a9b5
16
Hexadecimal
132e219
20
Vigesimal
65djeh
36
Base36
bz2ft
md5
dca3f22f67b03ce8340b73b51164cca9
sha1
08c83e7c7ff8c7bb19595729f4677d3628058953
sha256
d2e8cdc49f401e872aa7a99d1e2d48b82e900726462c28f27ac49aafc3cc61a2
sha512
5ffb3fe8ef73fc304bc69958a37b8f3c4c1931c374948048ac3eed62424b4b5af34378754f3f41915ad8f8ab9da14bd79d30869b435f7985be8d165b2fee8600
ripemd-160
f428fce595e3aa3603ea1ec863bdef2c3764a7a3
Diameter
40223794
Circumference
126366775.72991
Area
1.270737788851E+15
Volume
3.4075930031173E+22
Surface area
5.0829511554041E+15
Circumference
126366775.72991
Perimeter
80447588
Area
404488400938609
Diagonal
28442517.502451
Surface area
2426930405631654
Volume
8.135029057372E+21
Space diagonal
34834827.440592
Perimeter
60335691
Area
1.7514861537449E+14
Altitude
17417413.720296
Surface area
1.7514861537449E+14
Volume
9.5872236860289E+20
Height
9480839.1674836