20168731 (number)

20168731 is an odd 8-digits composite number following 20168730 and preceding 20168732. In scientific notation, it is written as 2.0168731 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 18335200 positive integers (up to 20168731) that are relatively prime to 20168731.

Interesting facts

Basic properties

Name

Name twenty million one hundred sixty-eight thousand seven hundred thirty-one

Notation

Scientific notation 2.0168731 × 10^7
Engineering notation 2.0168731 × 10^6

Prime Factorization of 20168731

Prime Factorization 11 × 1833521

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20168731
Product of the distinct prime numbers

The prime factorization of 20168731 is 11 × 1833521. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20168731)

Multiplication

n×y
n×2 40337462
n×3 60506193
n×4 80674924
n×5 100843655

Division

n÷y
n÷2 10084365.5
n÷3 6722910.3333333
n÷3 5042182.75
n÷5 4033746.2

Exponentiation

ny
n2 406777710150361
n3 8.2041902128186E+21
n4 1.6546810547517E+29
n5 3.3372817084084E+36

Nth Root

y√n
2√n 4490.9610330084
3√n 272.20296899944
4√n 67.014632976749
5√n 28.902520288948

Divisors of 20168731

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 -20168730
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 20168731 can be divided by 4 positive divisors. The sum of these divisors (counting 20168731) is 1, the average is 0.25.

Base conversion 20168731

Base System Value
2 Binary 1001100111100000000011011
3 Ternary 1101221200022001
4 Quaternary 1030330000123
5 Quinary 20130344411
6 Senary 2000141431
8 Octal 114740033
10 Decimal 20168731
12 Duodecimal 6907877
16 Hexadecimal 133c01b
20 Vigesimal 6611gb
36 Base36 c0aaj

Cryptographic Hash Functions

md5 6f1067c28a34a47f161a35e1ef71472d
sha1 f2d39e864a38ccec77071071d0ef7eb9ca362758
sha256 8c695bae41d29a28dcffa1eaa088bd888c8647707e8bfd682b41ad206f16893f
sha512 fa522f9a7dd3db83cdcf1b6852d51ad19e3af49c769ba5cfeca22af0a968f5fbe8cb9a6d00b781a415e359bd5549aae00f367c86eaa8ac3d506414b004caed07
ripemd-160 5c5e0dd62ab5a28e303be3817fa5ab3dd45c9427

20168731 as geometric shapes

Circle

Radius = n
Diameter 40337462
Circumference 126723874.28366
Area 1.2779298658525E+15

Sphere

Radius = n
Volume 3.4365631601659E+22
Surface area 5.1117194634098E+15
Circumference 126723874.28366

Square

Length = n
Perimeter 80674924
Area 406777710150361
Diagonal 28522892.916055

Cube

Length = n
Surface area 2440666260902166
Volume 8.2041902128186E+21
Space diagonal 34933266.816189

Equilateral Triangle

Length = n
Perimeter 60506193
Area 1.7613991534174E+14
Altitude 17466633.408095

Triangular Pyramid

Length = n
Surface area 1.7613991534174E+14
Volume 9.6687308893806E+20
Height 9507630.9720182