20387687 (number)

20387687 is an odd 8-digits composite number following 20387686 and preceding 20387688. In scientific notation, it is written as 2.0387687 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 20200536 positive integers (up to 20387687) that are relatively prime to 20387687.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-seven thousand six hundred eighty-seven

Notation

Scientific notation 2.0387687 × 10^7
Engineering notation 2.0387687 × 10^6

Prime Factorization of 20387687

Prime Factorization 109 × 187043

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20387687
Product of the distinct prime numbers

The prime factorization of 20387687 is 109 × 187043. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20387687)

Multiplication

n×y
n×2 40775374
n×3 61163061
n×4 81550748
n×5 101938435

Division

n÷y
n÷2 10193843.5
n÷3 6795895.6666667
n÷3 5096921.75
n÷5 4077537.4

Exponentiation

ny
n2 415657781209969
n3 8.4743007424233E+21
n4 1.7277139108039E+29
n5 3.5224090439017E+36

Nth Root

y√n
2√n 4515.2726385015
3√n 273.18445673422
4√n 67.195778427677
5√n 28.96500391267

Divisors of 20387687

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 -20387686
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 20387687 can be divided by 4 positive divisors. The sum of these divisors (counting 20387687) is 1, the average is 0.25.

Base conversion 20387687

Base System Value
2 Binary 1001101110001011101100111
3 Ternary 1102100210122112
4 Quaternary 1031301131213
5 Quinary 20204401222
6 Senary 2004551235
8 Octal 115613547
10 Decimal 20387687
12 Duodecimal 69b251b
16 Hexadecimal 1371767
20 Vigesimal 678947
36 Base36 c4z8n

Cryptographic Hash Functions

md5 85325e298e6e28a2129b2c8bde0cfb19
sha1 7543f67945bc44609921f4374f4f3251f1d2eaac
sha256 e46cbc56a945d26b2b515e768f11e1e159f1fa9ed5894dac3a2a4aa26e08d599
sha512 2aae0dd479d07228bbc2e251621eecda452c0527320046cb62cffe2045364b4a1b3533d06deecbc6b9275b7082b085a41be4ec3685acd16618659985eaadfd34
ripemd-160 542d2a7766160e4a6302c3429632b2f4f65ec59a

20387687 as geometric shapes

Circle

Radius = n
Diameter 40775374
Circumference 128099615.40578
Area 1.3058274318567E+15

Sphere

Radius = n
Volume 3.5497067942277E+22
Surface area 5.2233097274267E+15
Circumference 128099615.40578

Square

Length = n
Perimeter 81550748
Area 415657781209969
Diagonal 28832543.460818

Cube

Length = n
Surface area 2493946687259814
Volume 8.4743007424233E+21
Space diagonal 35312509.732811

Equilateral Triangle

Length = n
Perimeter 61163061
Area 1.7998509890425E+14
Altitude 17656254.866406

Triangular Pyramid

Length = n
Surface area 1.7998509890425E+14
Volume 9.9870592013029E+20
Height 9610847.8202725