20121305 (number)

20121305 is an odd 8-digits composite number following 20121304 and preceding 20121306. In scientific notation, it is written as 2.0121305 × 10^7. The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors. There are 16080768 positive integers (up to 20121305) that are relatively prime to 20121305.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand three hundred five

Notation

Scientific notation 2.0121305 × 10^7
Engineering notation 2.0121305 × 10^6

Prime Factorization of 20121305

Prime Factorization 5 × 1693 × 2377

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121305
Product of the distinct prime numbers

The prime factorization of 20121305 is 5 × 1693 × 2377. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121305)

Multiplication

n×y
n×2 40242610
n×3 60363915
n×4 80485220
n×5 100606525

Division

n÷y
n÷2 10060652.5
n÷3 6707101.6666667
n÷3 5030326.25
n÷5 4024261

Exponentiation

ny
n2 404866914903025
n3 8.1464506791728E+21
n4 1.6391721878309E+29
n5 3.2982283538863E+36

Nth Root

y√n
2√n 4485.6777637276
3√n 271.98944325378
4√n 66.97520260311
5√n 28.888914851523

Divisors of 20121305

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 -20121304
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 20121305 can be divided by 8 positive divisors. The sum of these divisors (counting 20121305) is 1, the average is 0.125.

Base conversion 20121305

Base System Value
2 Binary 1001100110000011011011001
3 Ternary 1101212021020112
4 Quaternary 1030300123121
5 Quinary 20122340210
6 Senary 1555134105
8 Octal 114603331
10 Decimal 20121305
12 Duodecimal 68a4335
16 Hexadecimal 13306d9
20 Vigesimal 65f355
36 Base36 bz9p5

Cryptographic Hash Functions

md5 e9124d763dda893e81ecfb4d53416a91
sha1 b2c7a14cd9af5e494d935f02fe4512f80015621d
sha256 0195f45eb1849348a85adcb28664507608e50222dae4812576f8abdb5e77fd1a
sha512 2bee6c06382d0645c18062b09515b3d66be1a4ede7b4973b18a52dede8782af907a5982c20648fa55b2524f5fc8e815f0317a45818404db44f36614a1f40413d
ripemd-160 8ec0f1b15654a08b12160f1dd1e21d1be0cce810

20121305 as geometric shapes

Circle

Radius = n
Diameter 40242610
Circumference 126425887.93728
Area 1.2719269255409E+15

Sphere

Radius = n
Volume 3.4123772808695E+22
Surface area 5.0877077021636E+15
Circumference 126425887.93728

Square

Length = n
Perimeter 80485220
Area 404866914903025
Diagonal 28455822.423646

Cube

Length = n
Surface area 2429201489418150
Volume 8.1464506791728E+21
Space diagonal 34851122.57459

Equilateral Triangle

Length = n
Perimeter 60363915
Area 1.7531251672893E+14
Altitude 17425561.287295

Triangular Pyramid

Length = n
Surface area 1.7531251672893E+14
Volume 9.6006841964081E+20
Height 9485274.1412152