20120209 (number)

20120209 is an odd 8-digits composite number following 20120208 and preceding 20120210. In scientific notation, it is written as 2.0120209 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 19471140 positive integers (up to 20120209) that are relatively prime to 20120209.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty thousand two hundred nine

Notation

Scientific notation 2.0120209 × 10^7
Engineering notation 2.0120209 × 10^6

Prime Factorization of 20120209

Prime Factorization 31 × 649039

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20120209
Product of the distinct prime numbers

The prime factorization of 20120209 is 31 × 649039. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20120209)

Multiplication

n×y
n×2 40240418
n×3 60360627
n×4 80480836
n×5 100601045

Division

n÷y
n÷2 10060104.5
n÷3 6706736.3333333
n÷3 5030052.25
n÷5 4024041.8

Exponentiation

ny
n2 404822810203681
n3 8.1451195492654E+21
n4 1.6388150766121E+29
n5 3.2973301853786E+36

Nth Root

y√n
2√n 4485.5555954642
3√n 271.98450477617
4√n 66.974290555886
5√n 28.888600130977

Divisors of 20120209

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20120208
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20120209 can be divided by 4 positive divisors. The sum of these divisors (counting 20120209) is 1, the average is 0.25.

Base conversion 20120209

Base System Value
2 Binary 1001100110000001010010001
3 Ternary 1101212012201221
4 Quaternary 1030300022101
5 Quinary 20122321314
6 Senary 1555125041
8 Octal 114601221
10 Decimal 20120209
12 Duodecimal 68a3781
16 Hexadecimal 1330291
20 Vigesimal 65f0a9
36 Base36 bz8up

Cryptographic Hash Functions

md5 debae5592dee2b236f2c7946176c94e7
sha1 e757d19354f8a1053d193a6261ad4617887c42fe
sha256 cbf15b03fd7433f0b8e55796d598dfc6119dfb9538d057d59e38e98fb0f96341
sha512 c8e5e33aaeb33005abf3e075282ed888d5e7c5990577eb142849f717fac0a6dd656388a4b970eb00cb05d87907ef02bae724f371b9903bc50763866f7c3dc097
ripemd-160 14a3c2d316fc13a3ca285aaa1dd72ce69296eaa1

20120209 as geometric shapes

Circle

Radius = n
Diameter 40240418
Circumference 126419001.56618
Area 1.2717883665415E+15

Sphere

Radius = n
Volume 3.4118196984777E+22
Surface area 5.0871534661658E+15
Circumference 126419001.56618

Square

Length = n
Perimeter 80480836
Area 404822810203681
Diagonal 28454272.445581

Cube

Length = n
Surface area 2428936861222086
Volume 8.1451195492654E+21
Space diagonal 34849224.246905

Equilateral Triangle

Length = n
Perimeter 60360627
Area 1.752934188339E+14
Altitude 17424612.123452

Triangular Pyramid

Length = n
Surface area 1.752934188339E+14
Volume 9.5991154447678E+20
Height 9484757.4818604