20131731 (number)

20131731 is an odd 8-digits composite number following 20131730 and preceding 20131732. In scientific notation, it is written as 2.0131731 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 13400640 positive integers (up to 20131731) that are relatively prime to 20131731.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0131731 × 10^7
Engineering notation 2.0131731 × 10^6

Prime Factorization of 20131731

Prime Factorization 3 × 3 × 2539 × 881

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6710577
Product of the distinct prime numbers

The prime factorization of 20131731 is 3 × 3 × 2539 × 881. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20131731)

Multiplication

n×y
n×2 40263462
n×3 60395193
n×4 80526924
n×5 100658655

Division

n÷y
n÷2 10065865.5
n÷3 6710577
n÷3 5032932.75
n÷5 4026346.2

Exponentiation

ny
n2 405286593056361
n3 8.1591206693171E+21
n4 1.6425722251123E+29
n5 3.3067822184033E+36

Nth Root

y√n
2√n 4486.8397564433
3√n 272.03641290918
4√n 66.983876839455
5√n 28.891908031329

Divisors of 20131731

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 -20131730
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 20131731 can be divided by 12 positive divisors. The sum of these divisors (counting 20131731) is 1, the average is 0.083333333333333.

Base conversion 20131731

Base System Value
2 Binary 1001100110010111110010011
3 Ternary 1101212210112200
4 Quaternary 1030302332103
5 Quinary 20123203411
6 Senary 1555254243
8 Octal 114627623
10 Decimal 20131731
12 Duodecimal 68aa383
16 Hexadecimal 1332f93
20 Vigesimal 65g96b
36 Base36 bzhqr

Cryptographic Hash Functions

md5 560d002dd25578b44d43bf0e35bbec1d
sha1 d95d65cfc9cd8aab91c9ea6515b059c5cb009f5d
sha256 12285f747df2c49fa787465dcc47382bb1ca4c4b20d633be8429a3caec42c102
sha512 26067324aa3a4eb26485ee9fcbcef45c5ff5b391c7d5e26929ae8a65e08e43cbf133dc9bf62b0fb4f0ccaf0d71aa6ee87fc01acdd9c27614f6cc68bc79402011
ripemd-160 1c2a8170871ecc93e95722b0203584f1e142507a

20131731 as geometric shapes

Circle

Radius = n
Diameter 40263462
Circumference 126491396.42729
Area 1.2732453833443E+15

Sphere

Radius = n
Volume 3.4176844739306E+22
Surface area 5.0929815333772E+15
Circumference 126491396.42729

Square

Length = n
Perimeter 80526924
Area 405286593056361
Diagonal 28470567.014247

Cube

Length = n
Surface area 2431719558338166
Volume 8.1591206693171E+21
Space diagonal 34869180.936309

Equilateral Triangle

Length = n
Perimeter 60395193
Area 1.7549424270003E+14
Altitude 17434590.468155

Triangular Pyramid

Length = n
Surface area 1.7549424270003E+14
Volume 9.6156159229891E+20
Height 9490189.004749