20686977 is an odd 8-digits composite number following 20686976
and preceding 20686978 . In scientific notation, it is written as 2.0686977 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 12979968 positive integers (up to 20686977) that are relatively prime to 20686977.
20686977 has 8 divisors, whose sum is 24337800
The reverse of 20686977 is 77968602
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million six hundred eighty-six thousand nine hundred seventy-seven
Scientific notation
2.0686977 × 10^7
Engineering notation
2.0686977 × 10^6
Prime Factorization
9 × 17 × 135209
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20686977
Product of the distinct prime numbers
The prime factorization of 20686977 is 9 × 17 × 135209.
Since it has a total of 3 prime factors.
9 , 4 , 19 , 98 , 280 , 359 , 5970 , 4899 , 15253 , 85226 , 284220 , 459959 , 3201063 , 6113750 , 28045916 , 55691866 , 63630794 , 687406144 , 5374196661 , 4730925985
n×2
41373954
n×3
62060931
n×4
82747908
n×5
103434885
n÷2
10343488.5
n÷3
6895659
n÷3
5171744.25
n÷5
4137395.4
n2
427951017398529
n3
8.85301285405E+21
n4
1.8314207329244E+29
n5
3.7886558579329E+36
2 √n
4548.293855942
3 √n
274.51474534346
4 √n
67.441039849205
5 √n
29.04954980591
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
-20686976
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 20686977 can be divided by 8 positive divisors.
The sum of these divisors (counting 20686977) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111010100010000001
3
Ternary
1102221000012100
4
Quaternary
1032322202001
5
Quinary
20243440402
6
Senary
2015221013
8
Octal
116724201
10
Decimal
20686977
12
Duodecimal
6b17769
16
Hexadecimal
13ba881
20
Vigesimal
695h8h
36
Base36
cbe69
md5
7559d4df034868f3808c80464be52d87
sha1
c02195c0b4e5af698b951a4eab80e36a2e53b5e3
sha256
1ac4acf3491dd15920902d191b0fedc617cfe31923ab1e4c15ca39c407600ba4
sha512
a0eb842f80c5baa624ca4f69a14b00d7f67f5b2b15b00c620230b4c7084af9a6c6c8fcf006d1015b11151bbc14dbe96af4052cc5c408b43e7aee9e4d6329ad65
ripemd-160
569962efe693924e1313b08945760f356d24a43b
Diameter
41373954
Circumference
129980109.93636
Area
1.3444477723555E+15
Volume
3.7083413525893E+22
Surface area
5.377791089422E+15
Circumference
129980109.93636
Perimeter
82747908
Area
427951017398529
Diagonal
29255803.4379
Surface area
2567706104391174
Volume
8.85301285405E+21
Space diagonal
35830895.219009
Perimeter
62060931
Area
1.8530822632126E+14
Altitude
17915447.609504
Surface area
1.8530822632126E+14
Volume
1.0433375705051E+21
Height
9751934.4793001