20687438 (number)

20687438 is an even 8-digits composite number following 20687437 and preceding 20687439. In scientific notation, it is written as 2.0687438 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 10343718 positive integers (up to 20687438) that are relatively prime to 20687438.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand four hundred thirty-eight

Notation

Scientific notation 2.0687438 × 10^7
Engineering notation 2.0687438 × 10^6

Prime Factorization of 20687438

Prime Factorization 2 × 10343719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20687438
Product of the distinct prime numbers

The prime factorization of 20687438 is 2 × 10343719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 3, 48, 41, 934, 718, 5727, 3969, 48110, 28500, 575675, 223821, 2806293, 9216424, 1093870, 50136425, 252573301, 762644609, 2940813678, 883686853

Basic calculations (n = 20687438)

Multiplication

n×y
n×2 41374876
n×3 62062314
n×4 82749752
n×5 103437190

Division

n÷y
n÷2 10343719
n÷3 6895812.6666667
n÷3 5171859.5
n÷5 4137487.6

Exponentiation

ny
n2 427970091003844
n3 8.8536047234964E+21
n4 1.8315839879384E+29
n5 3.7890780192268E+36

Nth Root

y√n
2√n 4548.3445340036
3√n 274.51678447428
4√n 67.441415569393
5√n 29.049679275993

Divisors of 20687438

1, 2, 10343719, 20687438

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 -20687437
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 20687438 can be divided by 4 positive divisors. The sum of these divisors (counting 20687438) is 1, the average is 0.25.

Base conversion 20687438

Base System Value
2 Binary 1001110111010101001001110
3 Ternary 1102221000211102
4 Quaternary 1032322221032
5 Quinary 20243444223
6 Senary 2015223102
8 Octal 116725116
10 Decimal 20687438
12 Duodecimal 6b17a92
16 Hexadecimal 13baa4e
20 Vigesimal 695ibi
36 Base36 cbej2

Cryptographic Hash Functions

md5 c58dca12067518022d329317a8933a81
sha1 7446971d98e668076296f95213ba8f1a54880f4a
sha256 ba818b9c1423c02fe26180514c3dd4d3b0bb3d54ea0017da8b454f592477a074
sha512 430fdd403d1a26efa0ff40bf8949321f10bc9c17827ee779395bbb42c1626dc3dcca929305206e05c5fed177edf6dce5f4c6ddfe616570877232722a73bf6911
ripemd-160 279ccfe2c869aa3b5c493a09325737563f8ff146

20687438 as geometric shapes

Circle

Radius = n
Diameter 41374876
Circumference 129983006.48479
Area 1.3445076938538E+15

Sphere

Radius = n
Volume 3.7085892742832E+22
Surface area 5.3780307754153E+15
Circumference 129983006.48479

Square

Length = n
Perimeter 82749752
Area 427970091003844
Diagonal 29256455.390353

Cube

Length = n
Surface area 2567820546023064
Volume 8.8536047234964E+21
Space diagonal 35831693.694431

Equilateral Triangle

Length = n
Perimeter 62062314
Area 1.8531648543463E+14
Altitude 17915846.847216

Triangular Pyramid

Length = n
Surface area 1.8531648543463E+14
Volume 1.0434073229883E+21
Height 9752151.7967842