20391738 (number)

20391738 is an even 8-digits composite number following 20391737 and preceding 20391739. In scientific notation, it is written as 2.0391738 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 6190080 positive integers (up to 20391738) that are relatively prime to 20391738.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-one thousand seven hundred thirty-eight

Notation

Scientific notation 2.0391738 × 10^7
Engineering notation 2.0391738 × 10^6

Prime Factorization of 20391738

Prime Factorization 2 × 3 × 17 × 31 × 6449

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20391738
Product of the distinct prime numbers

The prime factorization of 20391738 is 2 × 3 × 17 × 31 × 6449. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20391738)

Multiplication

n×y
n×2 40783476
n×3 61175214
n×4 81566952
n×5 101958690

Division

n÷y
n÷2 10195869
n÷3 6797246
n÷3 5097934.5
n÷5 4078347.6

Exponentiation

ny
n2 415822978660644
n3 8.4793532352274E+21
n4 1.7290874958221E+29
n5 3.525909919388E+36

Nth Root

y√n
2√n 4515.7212048575
3√n 273.20254930392
4√n 67.199116101758
5√n 28.966154880958

Divisors of 20391738

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 -20391737
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 20391738 can be divided by 32 positive divisors. The sum of these divisors (counting 20391738) is 1, the average is 0.03125.

Base conversion 20391738

Base System Value
2 Binary 1001101110010011100111010
3 Ternary 1102101000012120
4 Quaternary 1031302130322
5 Quinary 20210013423
6 Senary 2005022110
8 Octal 115623472
10 Decimal 20391738
12 Duodecimal 69b4936
16 Hexadecimal 137273a
20 Vigesimal 678j6i
36 Base36 c52d6

Cryptographic Hash Functions

md5 32272ab4dc25dfb9d12dd22c9bbb6a21
sha1 adab7bf488cbe8cd47281e0750524fbdce688b73
sha256 8100d4b86450b509420f7b0ca762cf93a92858ba7da980353eb8ee49b301ae90
sha512 dc7c2121c28f6898f5b9e0e5bb08b9fc1cfbc9f50bc6650d6745f4670f34425c867b0f320459107f5617569ef78e1800880e054984d7e2295aecc4e9f8b23140
ripemd-160 9ce1b008e895ce48c46f85972c5d892219d2a90c

20391738 as geometric shapes

Circle

Radius = n
Diameter 40783476
Circumference 128125068.58946
Area 1.3063464149541E+15

Sphere

Radius = n
Volume 3.5518231774645E+22
Surface area 5.2253856598164E+15
Circumference 128125068.58946

Square

Length = n
Perimeter 81566952
Area 415822978660644
Diagonal 28838272.439959

Cube

Length = n
Surface area 2494937871963864
Volume 8.4793532352274E+21
Space diagonal 35319526.270633

Equilateral Triangle

Length = n
Perimeter 61175214
Area 1.8005663149872E+14
Altitude 17659763.135316

Triangular Pyramid

Length = n
Surface area 1.8005663149872E+14
Volume 9.9930136211757E+20
Height 9612757.4799863