20689785 (number)

20689785 is an odd 8-digits composite number following 20689784 and preceding 20689786. In scientific notation, it is written as 2.0689785 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 10985472 positive integers (up to 20689785) that are relatively prime to 20689785.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-nine thousand seven hundred eighty-five

Notation

Scientific notation 2.0689785 × 10^7
Engineering notation 2.0689785 × 10^6

Prime Factorization of 20689785

Prime Factorization 2313 × 5 × 1789

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20689785
Product of the distinct prime numbers

The prime factorization of 20689785 is 2313 × 5 × 1789. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20689785)

Multiplication

n×y
n×2 41379570
n×3 62069355
n×4 82759140
n×5 103448925

Division

n÷y
n÷2 10344892.5
n÷3 6896595
n÷3 5172446.25
n÷5 4137957

Exponentiation

ny
n2 428067203346225
n3 8.8566184027847E+21
n4 1.8324153058066E+29
n5 3.7912278707847E+36

Nth Root

y√n
2√n 4548.6025326467
3√n 274.52716543639
4√n 67.443328303448
5√n 29.050338386159

Divisors of 20689785

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 -20689784
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 20689785 can be divided by 8 positive divisors. The sum of these divisors (counting 20689785) is 1, the average is 0.125.

Base conversion 20689785

Base System Value
2 Binary 1001110111011001101111001
3 Ternary 1102221011001100
4 Quaternary 1032323031321
5 Quinary 20244033120
6 Senary 2015242013
8 Octal 116731571
10 Decimal 20689785
12 Duodecimal 6b19309
16 Hexadecimal 13bb379
20 Vigesimal 696495
36 Base36 cbgc9

Cryptographic Hash Functions

md5 3913b869c48eab454a39b0ba654ae7a8
sha1 b03a65b8aff3c91d06b05b3213725d41b7ea3191
sha256 93332cc3ab6283e273cddeeded9c4823bde2386e6bf3fd948f6b4e6bf21a21a9
sha512 0c0e59483c5f4caf0122ad5625648ff300646f86ed68cc5503a46903c614845b87cf74179114b917754d1580f9262ed91e59cf7bfcc627ca76b1414d89c78b22
ripemd-160 382d672a24a52e7bb36ebb7d31a0d5609f04efbb

20689785 as geometric shapes

Circle

Radius = n
Diameter 41379570
Circumference 129997753.1207
Area 1.3448127812752E+15

Sphere

Radius = n
Volume 3.7098516413115E+22
Surface area 5.3792511251009E+15
Circumference 129997753.1207

Square

Length = n
Perimeter 82759140
Area 428067203346225
Diagonal 29259774.549583

Cube

Length = n
Surface area 2568403220077350
Volume 8.8566184027847E+21
Space diagonal 35835758.817676

Equilateral Triangle

Length = n
Perimeter 62069355
Area 1.8535853631239E+14
Altitude 17917879.408838

Triangular Pyramid

Length = n
Surface area 1.8535853631239E+14
Volume 1.0437624884984E+21
Height 9753258.1831945