20091909 (number)

20091909 is an odd 8-digits composite number following 20091908 and preceding 20091910. In scientific notation, it is written as 2.0091909 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12518400 positive integers (up to 20091909) that are relatively prime to 20091909.

Interesting facts

Basic properties

Name

Name twenty million ninety-one thousand nine hundred nine

Notation

Scientific notation 2.0091909 × 10^7
Engineering notation 2.0091909 × 10^6

Prime Factorization of 20091909

Prime Factorization 3 × 151 × 17 × 2609

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20091909
Product of the distinct prime numbers

The prime factorization of 20091909 is 3 × 151 × 17 × 2609. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20091909)

Multiplication

n×y
n×2 40183818
n×3 60275727
n×4 80367636
n×5 100459545

Division

n÷y
n÷2 10045954.5
n÷3 6697303
n÷3 5022977.25
n÷5 4018381.8

Exponentiation

ny
n2 403684807264281
n3 8.1107984122365E+21
n4 1.62961423616E+29
n5 3.2742060938031E+36

Nth Root

y√n
2√n 4482.399915224
3√n 271.8569253673
4√n 66.950727518258
5√n 28.880468925784

Divisors of 20091909

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 -20091908
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 20091909 can be divided by 16 positive divisors. The sum of these divisors (counting 20091909) is 1, the average is 0.0625.

Base conversion 20091909

Base System Value
2 Binary 1001100101001010000000101
3 Ternary 1101210202220210
4 Quaternary 1030221100011
5 Quinary 20120420114
6 Senary 1554350033
8 Octal 114512005
10 Decimal 20091909
12 Duodecimal 688b319
16 Hexadecimal 1329405
20 Vigesimal 65b9f9
36 Base36 byn0l

Cryptographic Hash Functions

md5 195d0b7aba20d24d4626e3bc61072f2b
sha1 f568b09cc28873e25d87120a2b38670c88726290
sha256 36acbd2f2f58ebabb811ba29ab81aaf58c8863140e90fd0faf48c8407a074d22
sha512 db41ad64faad07bf5fd61503dd2caf51e6bbc8c35e2f601325f69c81e46ad9e7b1f5fb9a1dc3b22d8d9e74647ecdf3a32a97c574e495398aaeba10bc1e6a7828
ripemd-160 2fc0bf9d11976381843fe46c3a77c38ce621a5f9

20091909 as geometric shapes

Circle

Radius = n
Diameter 40183818
Circumference 126241187.42199
Area 1.2682132248673E+15

Sphere

Radius = n
Volume 3.3974432942173E+22
Surface area 5.0728528994691E+15
Circumference 126241187.42199

Square

Length = n
Perimeter 80367636
Area 403684807264281
Diagonal 28414250.201766

Cube

Length = n
Surface area 2422108843585686
Volume 8.1107984122365E+21
Space diagonal 34800207.20905

Equilateral Triangle

Length = n
Perimeter 60275727
Area 1.7480064910635E+14
Altitude 17400103.604525

Triangular Pyramid

Length = n
Surface area 1.7480064910635E+14
Volume 9.5586675968825E+20
Height 9471416.733922