20731931 (number)

20731931 is an odd 8-digits composite number following 20731930 and preceding 20731932. In scientific notation, it is written as 2.0731931 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 18847200 positive integers (up to 20731931) that are relatively prime to 20731931.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731931 × 10^7
Engineering notation 2.0731931 × 10^6

Prime Factorization of 20731931

Prime Factorization 11 × 1884721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20731931
Product of the distinct prime numbers

The prime factorization of 20731931 is 11 × 1884721. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731931)

Multiplication

n×y
n×2 41463862
n×3 62195793
n×4 82927724
n×5 103659655

Division

n÷y
n÷2 10365965.5
n÷3 6910643.6666667
n÷3 5182982.75
n÷5 4146386.2

Exponentiation

ny
n2 429812962988761
n3 8.9108526915885E+21
n4 1.8473918315318E+29
n5 3.829999998128E+36

Nth Root

y√n
2√n 4553.2330272017
3√n 274.71344696684
4√n 67.477648352633
5√n 29.062164117096

Divisors of 20731931

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 -20731930
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 20731931 can be divided by 4 positive divisors. The sum of these divisors (counting 20731931) is 1, the average is 0.25.

Base conversion 20731931

Base System Value
2 Binary 1001111000101100000011011
3 Ternary 1110000021212022
4 Quaternary 1033011200123
5 Quinary 20301410211
6 Senary 2020205055
8 Octal 117054033
10 Decimal 20731931
12 Duodecimal 6b3978b
16 Hexadecimal 13c581b
20 Vigesimal 69b9gb
36 Base36 cccuz

Cryptographic Hash Functions

md5 77c88768780fc6b36dff11d008bb9fcb
sha1 f999df648d2121cb921e8ec67183a54c8ee67d68
sha256 6bb55b2a95aba6b521f0ce5de949a7ddb26feaabdb9305d5a5ee4f4dd86bf82e
sha512 57c67fbb5b4cd0d441b46900d873d824605f47f22d4edd0c436e6adae5ab407cc4543b30bd694356d1de6e60957547d1a816514255936a8b9385ed326af4052d
ripemd-160 b191a2d506f48dff44becb2a43e11124cc3b8fdf

20731931 as geometric shapes

Circle

Radius = n
Diameter 41463862
Circumference 130262564.24866
Area 1.3502972469432E+15

Sphere

Radius = n
Volume 3.7325692470821E+22
Surface area 5.4011889877726E+15
Circumference 130262564.24866

Square

Length = n
Perimeter 82927724
Area 429812962988761
Diagonal 29319377.994383

Cube

Length = n
Surface area 2578877777932566
Volume 8.9108526915885E+21
Space diagonal 35908757.831012

Equilateral Triangle

Length = n
Perimeter 62195793
Area 1.8611447241206E+14
Altitude 17954378.915506

Triangular Pyramid

Length = n
Surface area 1.8611447241206E+14
Volume 1.0501540607294E+21
Height 9773125.9981277