19809909 (number)

19809909 is an odd 8-digits composite number following 19809908 and preceding 19809910. In scientific notation, it is written as 1.9809909 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 11276640 positive integers (up to 19809909) that are relatively prime to 19809909.

Interesting facts

Basic properties

Name

Name nineteen million eight hundred nine thousand nine hundred nine

Notation

Scientific notation 1.9809909 × 10^7
Engineering notation 1.9809909 × 10^6

Prime Factorization of 19809909

Prime Factorization 3447 × 7 × 821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19809909
Product of the distinct prime numbers

The prime factorization of 19809909 is 3447 × 7 × 821. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19809909)

Multiplication

n×y
n×2 39619818
n×3 59429727
n×4 79239636
n×5 99049545

Division

n÷y
n÷2 9904954.5
n÷3 6603303
n÷3 4952477.25
n÷5 3961981.8

Exponentiation

ny
n2 392432494588281
n3 7.7740520064368E+21
n4 1.5400326280878E+29
n5 3.050790621945E+36

Nth Root

y√n
2√n 4450.8323940584
3√n 270.57904535025
4√n 66.714559086143
5√n 28.798939541979

Divisors of 19809909

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 -19809908
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 19809909 can be divided by 8 positive divisors. The sum of these divisors (counting 19809909) is 1, the average is 0.125.

Base conversion 19809909

Base System Value
2 Binary 1001011100100011001110101
3 Ternary 1101021110002100
4 Quaternary 1023210121311
5 Quinary 20032404114
6 Senary 1544332313
8 Octal 113443165
10 Decimal 19809909
12 Duodecimal 6774099
16 Hexadecimal 12e4675
20 Vigesimal 63g4f9
36 Base36 bslf9

Cryptographic Hash Functions

md5 0f34b72a28a775855231e30bef45e04d
sha1 e9c12d48afa3bd6a236cfee04104cb9ec0087f18
sha256 e3b7a2c9a479edc0e212c5f0e508d929ad050045c1af2d0c306d3e710fdf63cf
sha512 ac1c01d5abf6e7f1194bcd7b336e98792cbd459a05375dbcb1bb3bcf31c6696dac41b9a78aec9228eb75f07bf4721f07bf2af00c14f750a8d17d51320e30e4ba
ripemd-160 6483a749b26607029486408b9352dfabaf62cc9d

19809909 as geometric shapes

Circle

Radius = n
Diameter 39619818
Circumference 124469329.16536
Area 1.2328630420285E+15

Sphere

Radius = n
Volume 3.2563872896063E+22
Surface area 4.9314521681138E+15
Circumference 124469329.16536

Square

Length = n
Perimeter 79239636
Area 392432494588281
Diagonal 28015441.977177

Cube

Length = n
Surface area 2354594967529686
Volume 7.7740520064368E+21
Space diagonal 34311768.881316

Equilateral Triangle

Length = n
Perimeter 59429727
Area 1.6992825479198E+14
Altitude 17155884.440658

Triangular Pyramid

Length = n
Surface area 1.6992825479198E+14
Volume 9.1618081517473E+20
Height 9338480.6590589