20512131 (number)

20512131 is an odd 8-digits composite number following 20512130 and preceding 20512132. In scientific notation, it is written as 2.0512131 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 13674752 positive integers (up to 20512131) that are relatively prime to 20512131.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand one hundred thirty-one

Notation

Scientific notation 2.0512131 × 10^7
Engineering notation 2.0512131 × 10^6

Prime Factorization of 20512131

Prime Factorization 3 × 6837377

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20512131
Product of the distinct prime numbers

The prime factorization of 20512131 is 3 × 6837377. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20512131)

Multiplication

n×y
n×2 41024262
n×3 61536393
n×4 82048524
n×5 102560655

Division

n÷y
n÷2 10256065.5
n÷3 6837377
n÷3 5128032.75
n÷5 4102426.2

Exponentiation

ny
n2 420747518161161
n3 8.6304282104466E+21
n4 1.7702847403878E+29
n5 3.6312312502135E+36

Nth Root

y√n
2√n 4529.0320157844
3√n 273.73915805354
4√n 67.298083299485
5√n 29.00027767781

Divisors of 20512131

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 -20512130
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 20512131 can be divided by 4 positive divisors. The sum of these divisors (counting 20512131) is 1, the average is 0.25.

Base conversion 20512131

Base System Value
2 Binary 1001110001111110110000011
3 Ternary 1102121010100120
4 Quaternary 1032033312003
5 Quinary 20222342011
6 Senary 2011351323
8 Octal 116176603
10 Decimal 20512131
12 Duodecimal 6a52543
16 Hexadecimal 138fd83
20 Vigesimal 68406b
36 Base36 c7n9f

Cryptographic Hash Functions

md5 1ea1bc307cba09b4acc4fdbcd9ff4285
sha1 647de2033e759b53784892168fcb9a22125860a7
sha256 47d80fd430072aa30063474e2eab017fc0be7af86f1d0791320038e83642920e
sha512 113bfc3f2db915d3663ecea8af23519602aa22d785896c3522edfc25ac3911b4eeabdf30ffba5bc16be2c7b347dc797ca3219ebf8158f721c0b19945b43dc517
ripemd-160 983863b1d256d1461d75a99e38394b6d2a2147b1

20512131 as geometric shapes

Circle

Radius = n
Diameter 41024262
Circumference 128881520.11814
Area 1.3218173120712E+15

Sphere

Radius = n
Volume 3.6151053151031E+22
Surface area 5.287269248285E+15
Circumference 128881520.11814

Square

Length = n
Perimeter 82048524
Area 420747518161161
Diagonal 29008533.853374

Cube

Length = n
Surface area 2524485108966966
Volume 8.6304282104466E+21
Space diagonal 35528053.063509

Equilateral Triangle

Length = n
Perimeter 61536393
Area 1.8218901965341E+14
Altitude 17764026.531754

Triangular Pyramid

Length = n
Surface area 1.8218901965341E+14
Volume 1.0171057186917E+21
Height 9669511.2844579