20687429 (number)

20687429 is an odd 8-digits composite number following 20687428 and preceding 20687430. In scientific notation, it is written as 2.0687429 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 17319456 positive integers (up to 20687429) that are relatively prime to 20687429.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0687429 × 10^7
Engineering notation 2.0687429 × 10^6

Prime Factorization of 20687429

Prime Factorization 7 × 43 × 68729

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20687429
Product of the distinct prime numbers

The prime factorization of 20687429 is 7 × 43 × 68729. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20687429)

Multiplication

n×y
n×2 41374858
n×3 62062287
n×4 82749716
n×5 103437145

Division

n÷y
n÷2 10343714.5
n÷3 6895809.6666667
n÷3 5171857.25
n÷5 4137485.8

Exponentiation

ny
n2 427969718630041
n3 8.853593168309E+21
n4 1.8315808006428E+29
n5 3.789069777106E+36

Nth Root

y√n
2√n 4548.3435446325
3√n 274.51674466508
4√n 67.441408234352
5√n 29.049676748399

Divisors of 20687429

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687428
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687429 can be divided by 8 positive divisors. The sum of these divisors (counting 20687429) is 1, the average is 0.125.

Base conversion 20687429

Base System Value
2 Binary 1001110111010101001000101
3 Ternary 1102221000211002
4 Quaternary 1032322221011
5 Quinary 20243444204
6 Senary 2015223045
8 Octal 116725105
10 Decimal 20687429
12 Duodecimal 6b17a85
16 Hexadecimal 13baa45
20 Vigesimal 695ib9
36 Base36 cbeit

Cryptographic Hash Functions

md5 e9ece790e9741aefe2accb4e6d5c179e
sha1 abf656bd7adb3ce3fc9bf9be1a7bcc2852275552
sha256 0243882c3589ab6b4f5913dbbe02426ccd1b34615f8dfb7e11367174dd46e0fc
sha512 7a95da174c82826d8c76577a749f5cf09d9d29c58163f2a797aba02be50b8fa700c2ce99c269aa891caa37cfa37693cffab69b360bf22290d4b2c289ff24045d
ripemd-160 1529edf1721d2843bd1ed63fa0664178d72f6c90

20687429 as geometric shapes

Circle

Radius = n
Diameter 41374858
Circumference 129982949.93612
Area 1.344506524007E+15

Sphere

Radius = n
Volume 3.7085844340576E+22
Surface area 5.3780260960281E+15
Circumference 129982949.93612

Square

Length = n
Perimeter 82749716
Area 427969718630041
Diagonal 29256442.66243

Cube

Length = n
Surface area 2567818311780246
Volume 8.853593168309E+21
Space diagonal 35831678.105974

Equilateral Triangle

Length = n
Perimeter 62062287
Area 1.8531632419205E+14
Altitude 17915839.052987

Triangular Pyramid

Length = n
Surface area 1.8531632419205E+14
Volume 1.0434059611964E+21
Height 9752147.5541435