20121644 (number)

20121644 is an even 8-digits composite number following 20121643 and preceding 20121645. In scientific notation, it is written as 2.0121644 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 6 positive divisors. There are 10060820 positive integers (up to 20121644) that are relatively prime to 20121644.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand six hundred forty-four

Notation

Scientific notation 2.0121644 × 10^7
Engineering notation 2.0121644 × 10^6

Prime Factorization of 20121644

Prime Factorization 2 × 2 × 5030411

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10060822
Product of the distinct prime numbers

The prime factorization of 20121644 is 2 × 2 × 5030411. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121644)

Multiplication

n×y
n×2 40243288
n×3 60364932
n×4 80486576
n×5 100608220

Division

n÷y
n÷2 10060822
n÷3 6707214.6666667
n÷3 5030411
n÷5 4024328.8

Exponentiation

ny
n2 404880557262736
n3 8.1468624357624E+21
n4 1.6392826564938E+29
n5 3.2985062029343E+36

Nth Root

y√n
2√n 4485.7155505003
3√n 271.99097072103
4√n 66.975484697763
5√n 28.889012193879

Divisors of 20121644

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121643
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121644 can be divided by 6 positive divisors. The sum of these divisors (counting 20121644) is 1, the average is 0.16666666666667.

Base conversion 20121644

Base System Value
2 Binary 1001100110000100000101100
3 Ternary 1101212021201002
4 Quaternary 1030300200230
5 Quinary 20122343034
6 Senary 1555135432
8 Octal 114604054
10 Decimal 20121644
12 Duodecimal 68a4578
16 Hexadecimal 133082c
20 Vigesimal 65f424
36 Base36 bz9yk

Cryptographic Hash Functions

md5 bd8a0d5c147ff8c3c27d3b95f7937ff2
sha1 b10304ab838ae746966fc9cd509b26cb5522529a
sha256 d7034441cb16489ff4f4df0fe2445eefd9ce02c1557f9543454da46e2eeaf137
sha512 3dd59cddb247b9cd0f2c83a7d142cafc178ac366d5af14797be71dce8436aed0471a5a3f018bade265eed1bf33aeb79f540a0c8edf26759cb80a12db8a1307cc
ripemd-160 705979552698a54146f2cd22ed70cbc88c1ed69b

20121644 as geometric shapes

Circle

Radius = n
Diameter 40243288
Circumference 126428017.9371
Area 1.271969784278E+15

Sphere

Radius = n
Volume 3.4125497570664E+22
Surface area 5.0878791371118E+15
Circumference 126428017.9371

Square

Length = n
Perimeter 80486576
Area 404880557262736
Diagonal 28456301.842043

Cube

Length = n
Surface area 2429283343576416
Volume 8.1468624357624E+21
Space diagonal 34851709.739813

Equilateral Triangle

Length = n
Perimeter 60364932
Area 1.7531842404396E+14
Altitude 17425854.869907

Triangular Pyramid

Length = n
Surface area 1.7531842404396E+14
Volume 9.6011694562026E+20
Height 9485433.9473477