20190909 (number)

20190909 is an odd 8-digits composite number following 20190908 and preceding 20190910. In scientific notation, it is written as 2.0190909 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13270880 positive integers (up to 20190909) that are relatively prime to 20190909.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety thousand nine hundred nine

Notation

Scientific notation 2.0190909 × 10^7
Engineering notation 2.0190909 × 10^6

Prime Factorization of 20190909

Prime Factorization 3 × 71 × 94793

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20190909
Product of the distinct prime numbers

The prime factorization of 20190909 is 3 × 71 × 94793. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20190909)

Multiplication

n×y
n×2 40381818
n×3 60572727
n×4 80763636
n×5 100954545

Division

n÷y
n÷2 10095454.5
n÷3 6730303
n÷3 5047727.25
n÷5 4038181.8

Exponentiation

ny
n2 407672806246281
n3 8.2312845326933E+21
n4 1.6619711695272E+29
n5 3.3556708644547E+36

Nth Root

y√n
2√n 4493.4295365567
3√n 272.30270599693
4√n 67.03304809239
5√n 28.908873870019

Divisors of 20190909

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20190908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20190909 can be divided by 8 positive divisors. The sum of these divisors (counting 20190909) is 1, the average is 0.125.

Base conversion 20190909

Base System Value
2 Binary 1001101000001011010111101
3 Ternary 1101222210201110
4 Quaternary 1031001122331
5 Quinary 20132102114
6 Senary 2000432233
8 Octal 115013275
10 Decimal 20190909
12 Duodecimal 6918679
16 Hexadecimal 13416bd
20 Vigesimal 663h59
36 Base36 c0rel

Cryptographic Hash Functions

md5 196d8157ddd4ac1e6cb4cf9e50e57e05
sha1 d62201acf1621552e4adccdf467f278e2fd8f212
sha256 5e4327dabd771db92f4c293c68b7d8254458e786e4e80bc587d682a1ccff5712
sha512 88104040ddd16dde47b18fa7de5771396d3b48d322fda8b4347869f3c7259101836bf507af4e5162ba02e2e32042f5d960b301bab7d0f0d92299242a930ea9c3
ripemd-160 fd7f31e584314c2c773dc3e636e77e8da2b0cd81

20190909 as geometric shapes

Circle

Radius = n
Diameter 40381818
Circumference 126863222.7674
Area 1.2807418931717E+15

Sphere

Radius = n
Volume 3.4479124023355E+22
Surface area 5.1229675726866E+15
Circumference 126863222.7674

Square

Length = n
Perimeter 80763636
Area 407672806246281
Diagonal 28554257.344441

Cube

Length = n
Surface area 2446036837477686
Volume 8.2312845326933E+21
Space diagonal 34971680.239

Equilateral Triangle

Length = n
Perimeter 60572727
Area 1.7652750332069E+14
Altitude 17485840.1195

Triangular Pyramid

Length = n
Surface area 1.7652750332069E+14
Volume 9.7006618515723E+20
Height 9518085.7814803