20687946 (number)

20687946 is an even 8-digits composite number following 20687945 and preceding 20687947. In scientific notation, it is written as 2.0687946 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 6490304 positive integers (up to 20687946) that are relatively prime to 20687946.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0687946 × 10^7
Engineering notation 2.0687946 × 10^6

Prime Factorization of 20687946

Prime Factorization 2 × 3 × 17 × 202823

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20687946
Product of the distinct prime numbers

The prime factorization of 20687946 is 2 × 3 × 17 × 202823. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 18, 9, 576, 410, 874, 1958, 21891, 83104, 394060, 872982, 5933909, 5336491, 84694861, 66914164, 154408460, 222228952, 1952618463, 4153560845

Basic calculations (n = 20687946)

Multiplication

n×y
n×2 41375892
n×3 62063838
n×4 82751784
n×5 103439730

Division

n÷y
n÷2 10343973
n÷3 6895982
n÷3 5171986.5
n÷5 4137589.2

Exponentiation

ny
n2 427991109698916
n3 8.8542569659312E+21
n4 1.8317638998131E+29
n5 3.7895432644083E+36

Nth Root

y√n
2√n 4548.4003781549
3√n 274.51903146406
4√n 67.441829587838
5√n 29.049821943172

Divisors of 20687946

1, 2, 3, 6, 17, 34, 51, 102, 202823, 405646, 608469, 1216938, 3447991, 6895982, 10343973, 20687946

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687945
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687946 can be divided by 16 positive divisors. The sum of these divisors (counting 20687946) is 1, the average is 0.0625.

Base conversion 20687946

Base System Value
2 Binary 1001110111010110001001010
3 Ternary 1102221001112020
4 Quaternary 1032322301022
5 Quinary 20244003241
6 Senary 2015225310
8 Octal 116726112
10 Decimal 20687946
12 Duodecimal 6b18236
16 Hexadecimal 13bac4a
20 Vigesimal 695jh6
36 Base36 cbex6

Cryptographic Hash Functions

md5 94f9da48322cb26f888ae077769e0e4d
sha1 7fcacc49d6dd8cfb4b4da4cb80d9576bc3d81f52
sha256 b245211eeace7ba58d19587c4d4005293011713e22079baf209e05fb2d2ae994
sha512 8e79e123b560308d6446dd1fde3ff6957d93542951ac7991fd6103cd47f07ddb15e97ee6c2935d143cafe87ca197abfbbbae6d243e6ba101aa2fb6f126d47649
ripemd-160 0f242bb96e61ef6ebcfef92e9fceeddde42d7828

20687946 as geometric shapes

Circle

Radius = n
Diameter 41375892
Circumference 129986198.34292
Area 1.3445737260319E+15

Sphere

Radius = n
Volume 3.7088624849554E+22
Surface area 5.3782949041274E+15
Circumference 129986198.34292

Square

Length = n
Perimeter 82751784
Area 427991109698916
Diagonal 29257173.810842

Cube

Length = n
Surface area 2567946658193496
Volume 8.8542569659312E+21
Space diagonal 35832573.576241

Equilateral Triangle

Length = n
Perimeter 62063838
Area 1.8532558679658E+14
Altitude 17916286.788121

Triangular Pyramid

Length = n
Surface area 1.8532558679658E+14
Volume 1.0434841904964E+21
Height 9752391.2702807