20731284 (number)

20731284 is an even 8-digits composite number following 20731283 and preceding 20731285. In scientific notation, it is written as 2.0731284 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 5923152 positive integers (up to 20731284) that are relatively prime to 20731284.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand two hundred eighty-four

Notation

Scientific notation 2.0731284 × 10^7
Engineering notation 2.0731284 × 10^6

Prime Factorization of 20731284

Prime Factorization 2 × 2 × 63 × 82267

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10365642
Product of the distinct prime numbers

The prime factorization of 20731284 is 2 × 2 × 63 × 82267. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731284)

Multiplication

n×y
n×2 41462568
n×3 62193852
n×4 82925136
n×5 103656420

Division

n÷y
n÷2 10365642
n÷3 6910428
n÷3 5182821
n÷5 4146256.8

Exponentiation

ny
n2 429786136288656
n3 8.9100184506628E+21
n4 1.8471612294593E+29
n5 3.829402404171E+36

Nth Root

y√n
2√n 4553.1619782301
3√n 274.71058919398
4√n 67.477121887571
5√n 29.061982721018

Divisors of 20731284

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20731283
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731284 can be divided by 12 positive divisors. The sum of these divisors (counting 20731284) is 1, the average is 0.083333333333333.

Base conversion 20731284

Base System Value
2 Binary 1001111000101010110010100
3 Ternary 1110000020222100
4 Quaternary 1033011112110
5 Quinary 20301400114
6 Senary 2020202100
8 Octal 117052624
10 Decimal 20731284
12 Duodecimal 6b39330
16 Hexadecimal 13c5594
20 Vigesimal 69b844
36 Base36 cccd0

Cryptographic Hash Functions

md5 54bf686f80b5e51b392cdc015203461f
sha1 20f43cef4dbf15cd49483ad9abe51e9bea7673f9
sha256 495a2cb9a26af86b658f57edc8d94ea7b7709d82868518ecf6a66a4602a15317
sha512 ca2b0fc7e449c3f59d90f487818123a0ac8cdc18c029e23555bb5f507a10d608fd79b07fba3cf2fd8ca9a87f9abfa1acdf0b1f9f0ec291b0803a9d1d9a81b250
ripemd-160 049706141d68bf2a5d890b789399ee2dcb5653d1

20731284 as geometric shapes

Circle

Radius = n
Diameter 41462568
Circumference 130258499.02777
Area 1.3502129683792E+15

Sphere

Radius = n
Volume 3.7322198010602E+22
Surface area 5.4008518735167E+15
Circumference 130258499.02777

Square

Length = n
Perimeter 82925136
Area 429786136288656
Diagonal 29318462.998208

Cube

Length = n
Surface area 2578716817731936
Volume 8.9100184506628E+21
Space diagonal 35907637.19414

Equilateral Triangle

Length = n
Perimeter 62193852
Area 1.8610285611017E+14
Altitude 17953818.59707

Triangular Pyramid

Length = n
Surface area 1.8610285611017E+14
Volume 1.0500557444935E+21
Height 9772820.9994028