20897772 is an even 8-digits composite number following 20897771
and preceding 20897773 . In scientific notation, it is written as 2.0897772 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 5970768 positive integers (up to 20897772) that are relatively prime to 20897772.
20897772 has 12 divisors, whose sum is 38312736
The reverse of 20897772 is 27779802
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million eight hundred ninety-seven thousand seven hundred seventy-two
Scientific notation
2.0897772 × 10^7
Engineering notation
2.0897772 × 10^6
Prime Factorization
2 × 2 × 21 × 248783
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10448886
Product of the distinct prime numbers
The prime factorization of 20897772 is 2 × 2 × 21 × 248783.
Since it has a total of 4 prime factors.
7 , 7 , 17 , 57 , 930 , 232 , 9735 , 6910 , 57595 , 66098 , 106009 , 435142 , 3532071 , 2956633 , 91175282 , 12624731 , 560595687 , 830892948 , 2625487782 , 1379890096
n×2
41795544
n×3
62693316
n×4
83591088
n×5
104488860
n÷2
10448886
n÷3
6965924
n÷3
5224443
n÷5
4179554.4
n2
436716874563984
n3
9.1264096731907E+21
n4
1.9072162852893E+29
n5
3.9856571084664E+36
2 √n
4571.4080981684
3 √n
275.44400779968
4 √n
67.612188976311
5 √n
29.108511466736
1 , 2 , 4 , 21 , 42 , 84 , 248783 , 497566 , 995132 , 5224443 , 10448886 , 20897772
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20897771
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20897772 can be divided by 12 positive divisors.
The sum of these divisors (counting 20897772) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111101101111111101100
3
Ternary
1110022201100120
4
Quaternary
1033231333230
5
Quinary
20322212042
6
Senary
2023524540
8
Octal
117557754
10
Decimal
20897772
12
Duodecimal
6bb9750
16
Hexadecimal
13edfec
20
Vigesimal
6ac48c
36
Base36
cfwto
md5
c199c2fdfa7722e058503d3847daa1d1
sha1
d85dc7d41ad0077c217b5bd46366d3658501de42
sha256
ce579dc51ae479238abdfc12e3555fffcafa27794f81be7cc43b4953c496796e
sha512
80e02921e12072196d6ff0415a3091778676205d1224c4602d3542f4a861cb7fbf848a48b60c1be0e01ea9c4e0436a5c91424bc83a275ea70c1ac4d735aaff3f
ripemd-160
181000a61b5abd8b3c5981b133313ec6c6229538
Diameter
41795544
Circumference
131304573.98319
Area
1.3719865248289E+15
Volume
3.8228615443929E+22
Surface area
5.4879460993156E+15
Circumference
131304573.98319
Perimeter
83591088
Area
436716874563984
Diagonal
29553912.585781
Surface area
2620301247383904
Volume
9.1264096731907E+21
Space diagonal
36196002.86899
Perimeter
62693316
Area
1.8910395381688E+14
Altitude
18098001.434495
Surface area
1.8910395381688E+14
Volume
1.0755576946333E+21
Height
9851304.1952602