20387688 (number)

20387688 is an even 8-digits composite number following 20387687 and preceding 20387689. In scientific notation, it is written as 2.0387688 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors. There are 6709248 positive integers (up to 20387688) that are relatively prime to 20387688.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0387688 × 10^7
Engineering notation 2.0387688 × 10^6

Prime Factorization of 20387688

Prime Factorization 2 × 2 × 2 × 3 × 79 × 10753

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5096922
Product of the distinct prime numbers

The prime factorization of 20387688 is 2 × 2 × 2 × 3 × 79 × 10753. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 3, 50, 17, 406, 82, 1822, 2107, 1427, 62447, 6463, 46302, 672597, 9450261, 22045811, 99520355, 730134529, 5388087, 5152141111, 4328664080

Basic calculations (n = 20387688)

Multiplication

n×y
n×2 40775376
n×3 61163064
n×4 81550752
n×5 101938440

Division

n÷y
n÷2 10193844
n÷3 6795896
n÷3 5096922
n÷5 4077537.6

Exponentiation

ny
n2 415657821985344
n3 8.4743019893967E+21
n4 1.727714249776E+29
n5 3.5224099077587E+36

Nth Root

y√n
2√n 4515.2727492368
3√n 273.18446120071
4√n 67.195779251652
5√n 28.965004196812

Divisors of 20387688

1, 2, 3, 4, 6, 8, 12, 24, 79, 158, 237, 316, 474, 632, 948, 1896, 10753, 21506, 32259, 43012, 64518, 86024, 129036, 258072, 849487, 1698974, 2548461, 3397948, 5096922, 6795896, 10193844, 20387688

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20387687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20387688 can be divided by 32 positive divisors. The sum of these divisors (counting 20387688) is 1, the average is 0.03125.

Base conversion 20387688

Base System Value
2 Binary 1001101110001011101101000
3 Ternary 1102100210122120
4 Quaternary 1031301131220
5 Quinary 20204401223
6 Senary 2004551240
8 Octal 115613550
10 Decimal 20387688
12 Duodecimal 69b2520
16 Hexadecimal 1371768
20 Vigesimal 678948
36 Base36 c4z8o

Cryptographic Hash Functions

md5 b9d7097e7cfe57dd058a4af617b8f6d4
sha1 0a06581ea0a5bea16ba59aa421b84794a02fd903
sha256 709e4531e497d9ba93278838c7da82d85e1de9379ae46d1b45ed1481ec25a286
sha512 dcba97950a81c5347b9df79506a266abc9d55e372aba6a6ac97b52c1d22661cd37ffff4e88b100eb76cb0b08ca97c77d7dcb800a6fa6334a9d43c0ebdc8752cf
ripemd-160 6103bda58003e27449d0fd0cbabfcab49fbed100

20387688 as geometric shapes

Circle

Radius = n
Diameter 40775376
Circumference 128099621.68896
Area 1.3058275599563E+15

Sphere

Radius = n
Volume 3.5497073165587E+22
Surface area 5.2233102398252E+15
Circumference 128099621.68896

Square

Length = n
Perimeter 81550752
Area 415657821985344
Diagonal 28832544.875031

Cube

Length = n
Surface area 2493946931912064
Volume 8.4743019893967E+21
Space diagonal 35312511.464862

Equilateral Triangle

Length = n
Perimeter 61163064
Area 1.7998511656051E+14
Altitude 17656255.732431

Triangular Pyramid

Length = n
Surface area 1.7998511656051E+14
Volume 9.9870606708751E+20
Height 9610848.2916771