20887946 (number)

20887946 is an even 8-digits composite number following 20887945 and preceding 20887947. In scientific notation, it is written as 2.0887946 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 9960048 positive integers (up to 20887946) that are relatively prime to 20887946.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0887946 × 10^7
Engineering notation 2.0887946 × 10^6

Prime Factorization of 20887946

Prime Factorization 2 × 29 × 83 × 4339

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20887946
Product of the distinct prime numbers

The prime factorization of 20887946 is 2 × 29 × 83 × 4339. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 49, 86, 35, 274, 9313, 3755, 75880, 37260, 296396, 902592, 8183153, 6653698, 13595790, 62080322, 386073646, 316858752, 200048560, 2727077051

Basic calculations (n = 20887946)

Multiplication

n×y
n×2 41775892
n×3 62663838
n×4 83551784
n×5 104439730

Division

n÷y
n÷2 10443973
n÷3 6962648.6666667
n÷3 5221986.5
n÷5 4177589.2

Exponentiation

ny
n2 436306288098916
n3 9.1135421852706E+21
n4 1.9036317703465E+29
n5 3.9762957622883E+36

Nth Root

y√n
2√n 4570.3332482435
3√n 275.40083035591
4√n 67.604239868839
5√n 29.105773624225

Divisors of 20887946

1, 2, 29, 58, 83, 166, 2407, 4339, 4814, 8678, 125831, 251662, 360137, 720274, 10443973, 20887946

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 -20887945
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 20887946 can be divided by 16 positive divisors. The sum of these divisors (counting 20887946) is 1, the average is 0.0625.

Base conversion 20887946

Base System Value
2 Binary 1001111101011100110001010
3 Ternary 1110022012212122
4 Quaternary 1033223212022
5 Quinary 20321403241
6 Senary 2023411242
8 Octal 117534612
10 Decimal 20887946
12 Duodecimal 6bb3b22
16 Hexadecimal 13eb98a
20 Vigesimal 6aajh6
36 Base36 cfp8q

Cryptographic Hash Functions

md5 e72ac4c0d170aee01644f9703393ee4a
sha1 514f2f323504e34fb469779e24c7b7e3417d8aef
sha256 e2b302768f11d8dfe7c33aae088598436b22a27c4bb854824f79977e57438029
sha512 6fbfa58d0e70f879a787e6ec35841c923b7b6a931416019d4f7d4e9c9eeeb19e8c295bceca988d9abe9847cf8371b7b06600a11834f7e0a786be34474402d3e7
ripemd-160 fec761f78bd4b589fa361c4b051f07c2947dd48b

20887946 as geometric shapes

Circle

Radius = n
Diameter 41775892
Circumference 131242835.40436
Area 1.3706966294066E+15

Sphere

Radius = n
Volume 3.8174716236569E+22
Surface area 5.4827865176263E+15
Circumference 131242835.40436

Square

Length = n
Perimeter 83551784
Area 436306288098916
Diagonal 29540016.523317

Cube

Length = n
Surface area 2617837728593496
Volume 9.1135421852706E+21
Space diagonal 36178983.737755

Equilateral Triangle

Length = n
Perimeter 62663838
Area 1.8892616466228E+14
Altitude 18089491.868878

Triangular Pyramid

Length = n
Surface area 1.8892616466228E+14
Volume 1.0740412466391E+21
Height 9846672.1744389