20181864 (number)

20181864 is an even 8-digits composite number following 20181863 and preceding 20181865. In scientific notation, it is written as 2.0181864 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors. There are 6727280 positive integers (up to 20181864) that are relatively prime to 20181864.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand eight hundred sixty-four

Notation

Scientific notation 2.0181864 × 10^7
Engineering notation 2.0181864 × 10^6

Prime Factorization of 20181864

Prime Factorization 2 × 2 × 2 × 3 × 840911

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5045466
Product of the distinct prime numbers

The prime factorization of 20181864 is 2 × 2 × 2 × 3 × 840911. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181864)

Multiplication

n×y
n×2 40363728
n×3 60545592
n×4 80727456
n×5 100909320

Division

n÷y
n÷2 10090932
n÷3 6727288
n÷3 5045466
n÷5 4036372.8

Exponentiation

ny
n2 407307634514496
n3 8.2202272859333E+21
n4 1.6589950913379E+29
n5 3.348161331005E+36

Nth Root

y√n
2√n 4492.4229542642
3√n 272.26203842305
4√n 67.025539567125
5√n 28.906283321655

Divisors of 20181864

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181863
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181864 can be divided by 16 positive divisors. The sum of these divisors (counting 20181864) is 1, the average is 0.0625.

Base conversion 20181864

Base System Value
2 Binary 1001100111111001101101000
3 Ternary 1101222100022110
4 Quaternary 1030333031220
5 Quinary 20131304424
6 Senary 2000322320
8 Octal 114771550
10 Decimal 20181864
12 Duodecimal 69133a0
16 Hexadecimal 133f368
20 Vigesimal 662ed4
36 Base36 c0kfc

Cryptographic Hash Functions

md5 5fdad785f965620f6186d8ef76af4012
sha1 5824dd8a10f84365589693684ad95009bb204029
sha256 61feddd85d7996a489cd5a3928c1fb25d84f11fb7b7a37a65722227f243145b7
sha512 3dbbaaa8f19e17ab7ecb961c296c1f4b63e84bec6dbe89ecba408e83b9fd1c8c8150eec3f4aad57b9c87a95c382388d1c61b03ff60c3d0a42c8b2c845f48e62c
ripemd-160 a933c64e8aa7c0de1678bd589bc8b5677f87250b

20181864 as geometric shapes

Circle

Radius = n
Diameter 40363728
Circumference 126806391.3563
Area 1.2795946723418E+15

Sphere

Radius = n
Volume 3.4432807536435E+22
Surface area 5.1183786893671E+15
Circumference 126806391.3563

Square

Length = n
Perimeter 80727456
Area 407307634514496
Diagonal 28541465.782769

Cube

Length = n
Surface area 2443845807086976
Volume 8.2202272859333E+21
Space diagonal 34956013.839445

Equilateral Triangle

Length = n
Perimeter 60545592
Area 1.7636937932245E+14
Altitude 17478006.919723

Triangular Pyramid

Length = n
Surface area 1.7636937932245E+14
Volume 9.6876307612968E+20
Height 9513821.9275898