20687144 (number)

20687144 is an even 8-digits composite number following 20687143 and preceding 20687145. In scientific notation, it is written as 2.0687144 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors. There are 9843264 positive integers (up to 20687144) that are relatively prime to 20687144.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand one hundred forty-four

Notation

Scientific notation 2.0687144 × 10^7
Engineering notation 2.0687144 × 10^6

Prime Factorization of 20687144

Prime Factorization 2 × 2 × 2 × 47 × 37 × 1487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5171786
Product of the distinct prime numbers

The prime factorization of 20687144 is 2 × 2 × 2 × 47 × 37 × 1487. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 1, 27, 79, 18, 953, 4569, 9634, 79640, 58421, 661957, 215505, 1415942, 8901356, 85220228, 62091693, 951941427, 719143934, 9681815926, 3007874127

Basic calculations (n = 20687144)

Multiplication

n×y
n×2 41374288
n×3 62061432
n×4 82748576
n×5 103435720

Division

n÷y
n÷2 10343572
n÷3 6895714.6666667
n÷3 5171786
n÷5 4137428.8

Exponentiation

ny
n2 427957926876736
n3 8.8532272592405E+21
n4 1.8314798717663E+29
n5 3.7888087840332E+36

Nth Root

y√n
2√n 4548.3122144374
3√n 274.51548403426
4√n 67.44117595681
5√n 29.049596707487

Divisors of 20687144

1, 2, 4, 8, 37, 47, 74, 94, 148, 188, 296, 376, 1487, 1739, 2974, 3478, 5948, 6956, 11896, 13912, 55019, 69889, 110038, 139778, 220076, 279556, 440152, 559112, 2585893, 5171786, 10343572, 20687144

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687143
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687144 can be divided by 32 positive divisors. The sum of these divisors (counting 20687144) is 1, the average is 0.03125.

Base conversion 20687144

Base System Value
2 Binary 1001110111010100100101000
3 Ternary 1102221000102112
4 Quaternary 1032322210220
5 Quinary 20243442034
6 Senary 2015221452
8 Octal 116724450
10 Decimal 20687144
12 Duodecimal 6b17888
16 Hexadecimal 13ba928
20 Vigesimal 695hh4
36 Base36 cbeaw

Cryptographic Hash Functions

md5 38484ad57b8cb943e82d9605f3b5adc3
sha1 a68990cf2eac46423e6d02f748bc79f7754a750c
sha256 4063f278020aae3cb40503f1de7dd2317555966d61fda4be9e3bbf306ccc2458
sha512 0bb882b699f80e5282fcd29952c14315e4721886d6bb6bcb609ce5aa3796719e4a559deedfec03cacb2c007740b6a31dd2707478bf9aced3535e5a6e0bf350b0
ripemd-160 12e9ffe4b6e2c1c0dd1df4044a825d6dd8ad1e76

20687144 as geometric shapes

Circle

Radius = n
Diameter 41374288
Circumference 129981159.22831
Area 1.3444694791215E+15

Sphere

Radius = n
Volume 3.7084311624255E+22
Surface area 5.3778779164859E+15
Circumference 129981159.22831

Square

Length = n
Perimeter 82748576
Area 427957926876736
Diagonal 29256039.611565

Cube

Length = n
Surface area 2567747561260416
Volume 8.8532272592405E+21
Space diagonal 35831184.471494

Equilateral Triangle

Length = n
Perimeter 62061432
Area 1.8531121821309E+14
Altitude 17915592.235747

Triangular Pyramid

Length = n
Surface area 1.8531121821309E+14
Volume 1.0433628383991E+21
Height 9752013.2038551