20684997 is an odd 8-digits composite number following 20684996
and preceding 20684998 . In scientific notation, it is written as 2.0684997 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 13789980 positive integers (up to 20684997) that are relatively prime to 20684997.
20684997 has 4 divisors, whose sum is 21451136
The reverse of 20684997 is 79948602
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million six hundred eighty-four thousand nine hundred ninety-seven
Scientific notation
2.0684997 × 10^7
Engineering notation
2.0684997 × 10^6
Prime Factorization
27 × 766111
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20684997
Product of the distinct prime numbers
The prime factorization of 20684997 is 27 × 766111.
Since it has a total of 2 prime factors.
8 , 5 , 57 , 18 , 80 , 955 , 5430 , 7551 , 81613 , 4418 , 575081 , 97618 , 7922811 , 595488 , 17591569 , 72656948 , 123231230 , 963009946 , 8334505657 , 2166342449
n×2
41369994
n×3
62054991
n×4
82739988
n×5
103424985
n÷2
10342498.5
n÷3
6894999
n÷3
5171249.25
n÷5
4136999.4
n2
427869100890009
n3
8.8504710683025E+21
n4
1.8307196749642E+29
n5
3.7868430984476E+36
2 √n
4548.076186697
3 √n
274.50598690994
4 √n
67.439426055513
5 √n
29.048993704254
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
-20684996
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 20684997 can be divided by 4 positive divisors.
The sum of these divisors (counting 20684997) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111010000011000101
3
Ternary
1102220220111000
4
Quaternary
1032322003011
5
Quinary
20243404442
6
Senary
2015203513
8
Octal
116720305
10
Decimal
20684997
12
Duodecimal
6b16599
16
Hexadecimal
13ba0c5
20
Vigesimal
695c9h
36
Base36
cbcn9
md5
e425e5cea6529398d7ccfdba432c507c
sha1
051b8bf924f025025af0b508ed3111f627697115
sha256
5c55f542bc4a8183aa51881c6787960bf9f38b6f0a9b32a7cb190c2b158712fc
sha512
d54cd410025ca47b94247e5482e1d2723015e93b605bb1fc413dd9c9db6979e713cde24d2142b5354a9849d272164e823027743a87a395099e59317111bccd7e
ripemd-160
73ba98c110e7952574f05cab27459390833b163b
Diameter
41369994
Circumference
129967669.22945
Area
1.3441904240541E+15
Volume
3.7072766518651E+22
Surface area
5.3767616962165E+15
Circumference
129967669.22945
Perimeter
82739988
Area
427869100890009
Diagonal
29253003.295047
Surface area
2567214605340054
Volume
8.8504710683025E+21
Space diagonal
35827465.75841
Perimeter
62054991
Area
1.8527275543258E+14
Altitude
17913732.879205
Surface area
1.8527275543258E+14
Volume
1.043038018182E+21
Height
9751001.0983489