20731885 (number)

20731885 is an odd 8-digits composite number following 20731884 and preceding 20731886. In scientific notation, it is written as 2.0731885 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 16585504 positive integers (up to 20731885) that are relatively prime to 20731885.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand eight hundred eighty-five

Notation

Scientific notation 2.0731885 × 10^7
Engineering notation 2.0731885 × 10^6

Prime Factorization of 20731885

Prime Factorization 5 × 4146377

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20731885
Product of the distinct prime numbers

The prime factorization of 20731885 is 5 × 4146377. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731885)

Multiplication

n×y
n×2 41463770
n×3 62195655
n×4 82927540
n×5 103659425

Division

n÷y
n÷2 10365942.5
n÷3 6910628.3333333
n÷3 5182971.25
n÷5 4146377

Exponentiation

ny
n2 429811055653225
n3 8.9107933775313E+21
n4 1.8473754356174E+29
n5 3.8299575083045E+36

Nth Root

y√n
2√n 4553.2279758431
3√n 274.71324378866
4√n 67.477610922758
5√n 29.062151220461

Divisors of 20731885

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 -20731884
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 20731885 can be divided by 4 positive divisors. The sum of these divisors (counting 20731885) is 1, the average is 0.25.

Base conversion 20731885

Base System Value
2 Binary 1001111000101011111101101
3 Ternary 1110000021210121
4 Quaternary 1033011133231
5 Quinary 20301410020
6 Senary 2020204541
8 Octal 117053755
10 Decimal 20731885
12 Duodecimal 6b39751
16 Hexadecimal 13c57ed
20 Vigesimal 69b9e5
36 Base36 ccctp

Cryptographic Hash Functions

md5 d940fd18be5a01d6ee1e2a6f171d913b
sha1 ada6368a87d47e527397dadabb64f8f0af2c88c6
sha256 a6e8643e15f237f74a3e697780e3d70bc65887bb16222bc9f18a73833da4b5b9
sha512 61aef11eeacbb8e5a9ec9948539bd20404af44981bfc3a9f1a7d8ad0d490f77b5e94a0eeb67167a3d7cfc667f3bfc63c721a36adc2a06dabb4e5f947c6706344
ripemd-160 de1e9c5708115edeb40d67f8daeb1a50633a5413

20731885 as geometric shapes

Circle

Radius = n
Diameter 41463770
Circumference 130262275.22214
Area 1.3502912548718E+15

Sphere

Radius = n
Volume 3.7325444016678E+22
Surface area 5.4011650194874E+15
Circumference 130262275.22214

Square

Length = n
Perimeter 82927540
Area 429811055653225
Diagonal 29319312.940559

Cube

Length = n
Surface area 2578866333919350
Volume 8.9107933775313E+21
Space diagonal 35908678.156675

Equilateral Triangle

Length = n
Perimeter 62195655
Area 1.8611364651155E+14
Altitude 17954339.078338

Triangular Pyramid

Length = n
Surface area 1.8611364651155E+14
Volume 1.0501470705008E+21
Height 9773104.3135198