20931131 (number)

20931131 is an odd 8-digits composite number following 20931130 and preceding 20931132. In scientific notation, it is written as 2.0931131 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 17831424 positive integers (up to 20931131) that are relatively prime to 20931131.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0931131 × 10^7
Engineering notation 2.0931131 × 10^6

Prime Factorization of 20931131

Prime Factorization 13 × 17 × 53 × 1787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20931131
Product of the distinct prime numbers

The prime factorization of 20931131 is 13 × 17 × 53 × 1787. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20931131)

Multiplication

n×y
n×2 41862262
n×3 62793393
n×4 83724524
n×5 104655655

Division

n÷y
n÷2 10465565.5
n÷3 6977043.6666667
n÷3 5232782.75
n÷5 4186226.2

Exponentiation

ny
n2 438112244939161
n3 9.1701847915257E+21
n4 1.9194233916563E+29
n5 4.0175702455223E+36

Nth Root

y√n
2√n 4575.0553002122
3√n 275.59049314086
4√n 67.63915508204
5√n 29.117798690338

Divisors of 20931131

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20931130
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20931131 can be divided by 16 positive divisors. The sum of these divisors (counting 20931131) is 1, the average is 0.0625.

Base conversion 20931131

Base System Value
2 Binary 1001111110110001000111011
3 Ternary 1110101102010002
4 Quaternary 1033312020323
5 Quinary 20324244011
6 Senary 2024343215
8 Octal 117661073
10 Decimal 20931131
12 Duodecimal 7014b0b
16 Hexadecimal 13f623b
20 Vigesimal 6ag7gb
36 Base36 cgmkb

Cryptographic Hash Functions

md5 6fdb0a4c409cb4612896e140063ad1cf
sha1 bd2ee95547645215d4517edcffc3878b69e40913
sha256 7329c13b94aa0ff4f0314537280e02681a4f9821494f3e06de85961853734aa5
sha512 3a12d135ae45b49f99a90289c7bba393fb7613a1e1ca1a82ae4e86a9c454f577f73c713e81848fcbdd3b2657793708b4fe4ed0fec21c800e7a9028c502f8d440
ripemd-160 cdffadd7ed411bf1e392d397e186a05f41fdb993

20931131 as geometric shapes

Circle

Radius = n
Diameter 41862262
Circumference 131514174.76185
Area 1.3763702101486E+15

Sphere

Radius = n
Volume 3.8411980230824E+22
Surface area 5.5054808405944E+15
Circumference 131514174.76185

Square

Length = n
Perimeter 83724524
Area 438112244939161
Diagonal 29601089.336008

Cube

Length = n
Surface area 2628673469634966
Volume 9.1701847915257E+21
Space diagonal 36253782.35188

Equilateral Triangle

Length = n
Perimeter 62793393
Area 1.8970816691317E+14
Altitude 18126891.17594

Triangular Pyramid

Length = n
Surface area 1.8970816691317E+14
Volume 1.0807166418036E+21
Height 9867029.7786693