20786949 (number)

20786949 is an odd 8-digits composite number following 20786948 and preceding 20786950. In scientific notation, it is written as 2.0786949 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 13731120 positive integers (up to 20786949) that are relatively prime to 20786949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0786949 × 10^7
Engineering notation 2.0786949 × 10^6

Prime Factorization of 20786949

Prime Factorization 3 × 27 × 3 × 653 × 131

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6928983
Product of the distinct prime numbers

The prime factorization of 20786949 is 3 × 27 × 3 × 653 × 131. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20786949)

Multiplication

n×y
n×2 41573898
n×3 62360847
n×4 83147796
n×5 103934745

Division

n÷y
n÷2 10393474.5
n÷3 6928983
n÷3 5196737.25
n÷5 4157389.8

Exponentiation

ny
n2 432097248728601
n3 8.9819834723617E+21
n4 1.8670803235883E+29
n5 3.8810903465333E+36

Nth Root

y√n
2√n 4559.2706653587
3√n 274.95624207343
4√n 67.522371591634
5√n 29.07757269188

Divisors of 20786949

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20786948
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20786949 can be divided by 24 positive divisors. The sum of these divisors (counting 20786949) is 1, the average is 0.041666666666667.

Base conversion 20786949

Base System Value
2 Binary 1001111010010111100000101
3 Ternary 1110010002100000
4 Quaternary 1033102330011
5 Quinary 20310140244
6 Senary 2021311513
8 Octal 117227405
10 Decimal 20786949
12 Duodecimal 6b65599
16 Hexadecimal 13d2f05
20 Vigesimal 69i779
36 Base36 cdjb9

Cryptographic Hash Functions

md5 78a1dd57b4e3868bad753628136b15f3
sha1 d2a9093a5650b0429749e984fcfe0248bef3c45d
sha256 a2bae3524e14f02ce9d93290c012734b7d4807c1c5295101f49378e3669620d8
sha512 e2d836a7c021bc96bbc28187276ad9da16aa23ef4d1e74ffd7732901f18068c6fd9c6a4a9b07145a6842561a348c97fb2239950339c3bb8931beb46adbc86778
ripemd-160 dd9b60b729fc72a2c2927e0cfd8ea3f5381d7db6

20786949 as geometric shapes

Circle

Radius = n
Diameter 41573898
Circumference 130608252.53789
Area 1.3574735422421E+15

Sphere

Radius = n
Volume 3.7623644388582E+22
Surface area 5.4298941689685E+15
Circumference 130608252.53789

Square

Length = n
Perimeter 83147796
Area 432097248728601
Diagonal 29397185.196158

Cube

Length = n
Surface area 2592583492371606
Volume 8.9819834723617E+21
Space diagonal 36004051.802343

Equilateral Triangle

Length = n
Perimeter 62360847
Area 1.8710359715217E+14
Altitude 18002025.901172

Triangular Pyramid

Length = n
Surface area 1.8710359715217E+14
Volume 1.0585369036354E+21
Height 9799061.7320526