20689961 is an odd 8-digits composite number following 20689960
and preceding 20689962 . In scientific notation, it is written as 2.0689961 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 20401920 positive integers (up to 20689961) that are relatively prime to 20689961.
20689961 has 8 divisors, whose sum is 20980104
The reverse of 20689961 is 16998602
Previous prime number is 661
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million six hundred eighty-nine thousand nine hundred sixty-one
Scientific notation
2.0689961 × 10^7
Engineering notation
2.0689961 × 10^6
Prime Factorization
113 × 661 × 277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20689961
Product of the distinct prime numbers
The prime factorization of 20689961 is 113 × 661 × 277.
Since it has a total of 3 prime factors.
9 , 2 , 89 , 10 , 973 , 652 , 563 , 9004 , 40900 , 66586 , 500609 , 906160 , 474210 , 2794235 , 44272874 , 64071805 , 242602640 , 171063298 , 2724921661 , 3457848126
n×2
41379922
n×3
62069883
n×4
82759844
n×5
103449805
n÷2
10344980.5
n÷3
6896653.6666667
n÷3
5172490.25
n÷5
4137992.2
n2
428074486181521
n3
8.8568444241907E+21
n4
1.8324776571957E+29
n5
3.7913891260751E+36
2 √n
4548.6218792069
3 √n
274.52794386632
4 √n
67.443471731569
5 √n
29.050387809989
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
-20689960
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 20689961 can be divided by 8 positive divisors.
The sum of these divisors (counting 20689961) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111011010000101001
3
Ternary
1102221011021212
4
Quaternary
1032323100221
5
Quinary
20244034321
6
Senary
2015242505
8
Octal
116732051
10
Decimal
20689961
12
Duodecimal
6b19435
16
Hexadecimal
13bb429
20
Vigesimal
6964i1
36
Base36
cbgh5
md5
8d281ad626ec0160a2e3b045728bf2be
sha1
67f2b9e1d593d755430905c6e0ceb53f44dfa82d
sha256
eb7817b9201db898844603dbacb1b810170c06ff7bc267016e1ca6b94d0382c9
sha512
1795a188bcb08b8051df2408e9946f0b2211eda4c70ddd76b5e743a9c27cef1742adfe33878caa621cb850a7fc47fbe7fb73a8ed63d5aad37f1144866715a73c
ripemd-160
affd5665022d57e1d6463d53a8b76165ab483df6
Diameter
41379922
Circumference
129998858.96132
Area
1.3448356609771E+15
Volume
3.7099463169367E+22
Surface area
5.3793426439084E+15
Circumference
129998858.96132
Perimeter
82759844
Area
428074486181521
Diagonal
29260023.45117
Surface area
2568446917089126
Volume
8.8568444241907E+21
Space diagonal
35836063.658619
Perimeter
62069883
Area
1.8536168987258E+14
Altitude
17918031.829309
Surface area
1.8536168987258E+14
Volume
1.0437891253766E+21
Height
9753341.1503901