20689961 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-nine thousand nine hundred sixty-one

Notation

Scientific notation 2.0689961 × 10^7
Engineering notation 2.0689961 × 10^6

Prime Factorization of 20689961

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.

Most popular turbo-numbers

Basic calculations (n = 20689961)

Multiplication

n×y
n×2 41379922
n×3 62069883
n×4 82759844
n×5 103449805

Division

n÷y
n÷2 10344980.5
n÷3 6896653.6666667
n÷3 5172490.25
n÷5 4137992.2

Exponentiation

ny
n2 428074486181521
n3 8.8568444241907E+21
n4 1.8324776571957E+29
n5 3.7913891260751E+36

Nth Root

y√n
2√n 4548.6218792069
3√n 274.52794386632
4√n 67.443471731569
5√n 29.050387809989

Divisors of 20689961

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 conversion 20689961

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

Cryptographic Hash Functions

md5 8d281ad626ec0160a2e3b045728bf2be
sha1 67f2b9e1d593d755430905c6e0ceb53f44dfa82d
sha256 eb7817b9201db898844603dbacb1b810170c06ff7bc267016e1ca6b94d0382c9
sha512 1795a188bcb08b8051df2408e9946f0b2211eda4c70ddd76b5e743a9c27cef1742adfe33878caa621cb850a7fc47fbe7fb73a8ed63d5aad37f1144866715a73c
ripemd-160 affd5665022d57e1d6463d53a8b76165ab483df6

20689961 as geometric shapes

Circle

Radius = n
Diameter 41379922
Circumference 129998858.96132
Area 1.3448356609771E+15

Sphere

Radius = n
Volume 3.7099463169367E+22
Surface area 5.3793426439084E+15
Circumference 129998858.96132

Square

Length = n
Perimeter 82759844
Area 428074486181521
Diagonal 29260023.45117

Cube

Length = n
Surface area 2568446917089126
Volume 8.8568444241907E+21
Space diagonal 35836063.658619

Equilateral Triangle

Length = n
Perimeter 62069883
Area 1.8536168987258E+14
Altitude 17918031.829309

Triangular Pyramid

Length = n
Surface area 1.8536168987258E+14
Volume 1.0437891253766E+21
Height 9753341.1503901