20121786 (number)

20121786 is an even 8-digits composite number following 20121785 and preceding 20121787. In scientific notation, it is written as 2.0121786 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 6707256 positive integers (up to 20121786) that are relatively prime to 20121786.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand seven hundred eighty-six

Notation

Scientific notation 2.0121786 × 10^7
Engineering notation 2.0121786 × 10^6

Prime Factorization of 20121786

Prime Factorization 2 × 3 × 3 × 1117877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6707262
Product of the distinct prime numbers

The prime factorization of 20121786 is 2 × 3 × 3 × 1117877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121786)

Multiplication

n×y
n×2 40243572
n×3 60365358
n×4 80487144
n×5 100608930

Division

n÷y
n÷2 10060893
n÷3 6707262
n÷3 5030446.5
n÷5 4024357.2

Exponentiation

ny
n2 404886271829796
n3 8.147034916097E+21
n4 1.6393289311623E+29
n5 3.2986225936457E+36

Nth Root

y√n
2√n 4485.7313784934
3√n 271.99161053997
4√n 66.975602860246
5√n 28.889052968163

Divisors of 20121786

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121785
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121786 can be divided by 12 positive divisors. The sum of these divisors (counting 20121786) is 1, the average is 0.083333333333333.

Base conversion 20121786

Base System Value
2 Binary 1001100110000100010111010
3 Ternary 1101212021220100
4 Quaternary 1030300202322
5 Quinary 20122344121
6 Senary 1555140230
8 Octal 114604272
10 Decimal 20121786
12 Duodecimal 68a4676
16 Hexadecimal 13308ba
20 Vigesimal 65f496
36 Base36 bza2i

Cryptographic Hash Functions

md5 e19c18d46a06a88545fd9b12938242ac
sha1 65ca0ab76645909c472f7223a48f09314bf4fcb5
sha256 2af0baf4f5dab47310595dc1d3633c56e878ad90ad5ec066619b0f1ec2337cfe
sha512 c95a3a76b5df8d5dd61dfbcdc82c3a623bb4a506f701d00679d88a706baedba623841cdadc439b850998d210eeda95e0c0bf2af5d6b3161826427fe987ec3218
ripemd-160 bc8bfd4a47b900728f9086a678fa46740a7a6077

20121786 as geometric shapes

Circle

Radius = n
Diameter 40243572
Circumference 126428910.14941
Area 1.2719877371198E+15

Sphere

Radius = n
Volume 3.41262200546E+22
Surface area 5.0879509484794E+15
Circumference 126428910.14941

Square

Length = n
Perimeter 80487144
Area 404886271829796
Diagonal 28456502.660369

Cube

Length = n
Surface area 2429317630978776
Volume 8.147034916097E+21
Space diagonal 34851955.691028

Equilateral Triangle

Length = n
Perimeter 60365358
Area 1.7532089852409E+14
Altitude 17425977.845514

Triangular Pyramid

Length = n
Surface area 1.7532089852409E+14
Volume 9.6013727262263E+20
Height 9485500.8867897