20149439 (number)

20149439 is an odd 8-digits composite number following 20149438 and preceding 20149440. In scientific notation, it is written as 2.0149439 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 19990656 positive integers (up to 20149439) that are relatively prime to 20149439.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand four hundred thirty-nine

Notation

Scientific notation 2.0149439 × 10^7
Engineering notation 2.0149439 × 10^6

Prime Factorization of 20149439

Prime Factorization 127 × 158657

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20149439
Product of the distinct prime numbers

The prime factorization of 20149439 is 127 × 158657. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20149439)

Multiplication

n×y
n×2 40298878
n×3 60448317
n×4 80597756
n×5 100747195

Division

n÷y
n÷2 10074719.5
n÷3 6716479.6666667
n÷3 5037359.75
n÷5 4029887.8

Exponentiation

ny
n2 405999892014721
n3 8.1806700581572E+21
n4 1.6483591231597E+29
n5 3.3213511602199E+36

Nth Root

y√n
2√n 4488.8126492426
3√n 272.11615119348
4√n 66.998601845431
5√n 28.896988945567

Divisors of 20149439

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20149438
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20149439 can be divided by 4 positive divisors. The sum of these divisors (counting 20149439) is 1, the average is 0.25.

Base conversion 20149439

Base System Value
2 Binary 1001100110111010010111111
3 Ternary 1101220200211112
4 Quaternary 1030313102333
5 Quinary 20124240224
6 Senary 1555512235
8 Octal 114672277
10 Decimal 20149439
12 Duodecimal 68b867b
16 Hexadecimal 13374bf
20 Vigesimal 65idbj
36 Base36 bzven

Cryptographic Hash Functions

md5 e9643f2cfbbae90999b2b4653dae0fbd
sha1 68dfef1c86b69ac5f1384691844e06ecdea881a9
sha256 0bf6fa56ab46351ed63b77945e66c963a2c3162c55d3b9353aad81d02e3e121f
sha512 581d27467eff76e796f0a9878b442308a8b959e04e15208adefe9abe664ec21a0551beec4c753b2543e9e7d0eea165a7db2d4ddfdd49dd26d3c2403e03c6ff8a
ripemd-160 156b7f2d1766ea531e822c1ea9cc8d8d81604981

20149439 as geometric shapes

Circle

Radius = n
Diameter 40298878
Circumference 126602659.07271
Area 1.2754862781117E+15

Sphere

Radius = n
Volume 3.4267110608198E+22
Surface area 5.1019451124468E+15
Circumference 126602659.07271

Square

Length = n
Perimeter 80597756
Area 405999892014721
Diagonal 28495609.908009

Cube

Length = n
Surface area 2435999352088326
Volume 8.1806700581572E+21
Space diagonal 34899852.09201

Equilateral Triangle

Length = n
Perimeter 60448317
Area 1.7580311020924E+14
Altitude 17449926.046005

Triangular Pyramid

Length = n
Surface area 1.7580311020924E+14
Volume 9.6410121212879E+20
Height 9498536.6360031