20131209 (number)

20131209 is an odd 8-digits composite number following 20131208 and preceding 20131210. In scientific notation, it is written as 2.0131209 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 11395440 positive integers (up to 20131209) that are relatively prime to 20131209.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-one thousand two hundred nine

Notation

Scientific notation 2.0131209 × 10^7
Engineering notation 2.0131209 × 10^6

Prime Factorization of 20131209

Prime Factorization 9 × 49 × 191 × 239

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20131209
Product of the distinct prime numbers

The prime factorization of 20131209 is 9 × 49 × 191 × 239. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 91, 16, 268, 53, 8230, 4287, 52794, 54843, 118515, 455570, 8141525, 4452886, 46446078, 96040361, 451964023, 233215204, 7468247697, 4182656445

Basic calculations (n = 20131209)

Multiplication

n×y
n×2 40262418
n×3 60393627
n×4 80524836
n×5 100656045

Division

n÷y
n÷2 10065604.5
n÷3 6710403
n÷3 5032802.25
n÷5 4026241.8

Exponentiation

ny
n2 405265575801681
n3 8.158486006969E+21
n4 1.6424018692987E+29
n5 3.3063535292842E+36

Nth Root

y√n
2√n 4486.7815859478
3√n 272.03406165856
4√n 66.983442625381
5√n 28.891758200871

Divisors of 20131209

1, 9, 49, 191, 239, 441, 1719, 2151, 9359, 11711, 45649, 84231, 105399, 410841, 2236801, 20131209

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 -20131208
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 20131209 can be divided by 16 positive divisors. The sum of these divisors (counting 20131209) is 1, the average is 0.0625.

Base conversion 20131209

Base System Value
2 Binary 1001100110010110110001001
3 Ternary 1101212202211100
4 Quaternary 1030302312021
5 Quinary 20123144314
6 Senary 1555252013
8 Octal 114626611
10 Decimal 20131209
12 Duodecimal 68aa009
16 Hexadecimal 1332d89
20 Vigesimal 65g809
36 Base36 bzhc9

Cryptographic Hash Functions

md5 98d98796dbdf9fc6ee293f68d839dc11
sha1 e98a0dc28947c2de62e554c9800c0a1f6ea0ffa2
sha256 86cd9b30a616403478e2676bd1d6de6749ff1f85580891ab84312db1916920aa
sha512 a7767ee8d37476ba1fb617ec016638f1b747e6962c53d08c7db55ae23739758e506dd13c3e843aa00dcaa0645bcc809dde7f4be83df88fc3de051f4b93c5f54d
ripemd-160 6bc5e5e4f1867f48651bec9ae70c3a39611718d4

20131209 as geometric shapes

Circle

Radius = n
Diameter 40262418
Circumference 126488116.60456
Area 1.2731793556914E+15

Sphere

Radius = n
Volume 3.4174186271879E+22
Surface area 5.0927174227656E+15
Circumference 126488116.60456

Square

Length = n
Perimeter 80524836
Area 405265575801681
Diagonal 28469828.794767

Cube

Length = n
Surface area 2431593454810086
Volume 8.158486006969E+21
Space diagonal 34868276.805788

Equilateral Triangle

Length = n
Perimeter 60393627
Area 1.7548514196179E+14
Altitude 17434138.402894

Triangular Pyramid

Length = n
Surface area 1.7548514196179E+14
Volume 9.6148679662389E+20
Height 9489942.9315891