20687430 (number)

20687430 is an even 8-digits composite number following 20687429 and preceding 20687431. In scientific notation, it is written as 2.0687430 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5516640 positive integers (up to 20687430) that are relatively prime to 20687430.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0687430 × 10^7
Engineering notation 2.0687430 × 10^6

Prime Factorization of 20687430

Prime Factorization 2 × 3 × 5 × 689581

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20687430
Product of the distinct prime numbers

The prime factorization of 20687430 is 2 × 3 × 5 × 689581. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20687430)

Multiplication

n×y
n×2 41374860
n×3 62062290
n×4 82749720
n×5 103437150

Division

n÷y
n÷2 10343715
n÷3 6895810
n÷3 5171857.5
n÷5 4137486

Exponentiation

ny
n2 427969760004900
n3 8.8535944522182E+21
n4 1.8315811547865E+29
n5 3.7890706928965E+36

Nth Root

y√n
2√n 4548.3436545626
3√n 274.51674908832
4√n 67.441409049356
5√n 29.049677029243

Divisors of 20687430

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 -20687429
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 20687430 can be divided by 16 positive divisors. The sum of these divisors (counting 20687430) is 1, the average is 0.0625.

Base conversion 20687430

Base System Value
2 Binary 1001110111010101001000110
3 Ternary 1102221000211010
4 Quaternary 1032322221012
5 Quinary 20243444210
6 Senary 2015223050
8 Octal 116725106
10 Decimal 20687430
12 Duodecimal 6b17a86
16 Hexadecimal 13baa46
20 Vigesimal 695iba
36 Base36 cbeiu

Cryptographic Hash Functions

md5 f3d6b8a11fcda9ab86f0b394de1762bf
sha1 b975fb9819f0a430e20214010c7ccf811cc66c14
sha256 471f809e14c5d1a1730f02d247df292ec60e3ad8db166421bcf34bffa2967d92
sha512 113882dac0d6e09d29df0555af51a6f71fc0e05bb979d006a469d7b10415e00a7ca6e5377f56fd8410d128d9ab56933245c3a09ab1244a21484a4d62374d424a
ripemd-160 23522c18f402dbb66134ddf8095e0ffadac402e2

20687430 as geometric shapes

Circle

Radius = n
Diameter 41374860
Circumference 129982956.21931
Area 1.34450665399E+15

Sphere

Radius = n
Volume 3.7085849718603E+22
Surface area 5.3780266159599E+15
Circumference 129982956.21931

Square

Length = n
Perimeter 82749720
Area 427969760004900
Diagonal 29256444.076644

Cube

Length = n
Surface area 2567818560029400
Volume 8.8535944522182E+21
Space diagonal 35831679.838025

Equilateral Triangle

Length = n
Perimeter 62062290
Area 1.8531634210789E+14
Altitude 17915839.919012

Triangular Pyramid

Length = n
Surface area 1.8531634210789E+14
Volume 1.0434061125065E+21
Height 9752148.025548