20121744 (number)

20121744 is an even 8-digits composite number following 20121743 and preceding 20121745. In scientific notation, it is written as 2.0121744 × 10^7. The sum of its digits is 21. It has a total of 7 prime factors and 40 positive divisors. There are 6312448 positive integers (up to 20121744) that are relatively prime to 20121744.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121744 × 10^7
Engineering notation 2.0121744 × 10^6

Prime Factorization of 20121744

Prime Factorization 2 × 2 × 2 × 2 × 3 × 17 × 24659

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2515218
Product of the distinct prime numbers

The prime factorization of 20121744 is 2 × 2 × 2 × 2 × 3 × 17 × 24659. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121744)

Multiplication

n×y
n×2 40243488
n×3 60365232
n×4 80486976
n×5 100608720

Division

n÷y
n÷2 10060872
n÷3 6707248
n÷3 5030436
n÷5 4024348.8

Exponentiation

ny
n2 404884581601536
n3 8.1469839005332E+21
n4 1.6393152441865E+29
n5 3.2985881678818E+36

Nth Root

y√n
2√n 4485.7266969801
3√n 271.99142129806
4√n 66.975567910844
5√n 28.889040908188

Divisors of 20121744

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121743
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121744 can be divided by 40 positive divisors. The sum of these divisors (counting 20121744) is 1, the average is 0.025.

Base conversion 20121744

Base System Value
2 Binary 1001100110000100010010000
3 Ternary 1101212021211210
4 Quaternary 1030300202100
5 Quinary 20122343434
6 Senary 1555140120
8 Octal 114604220
10 Decimal 20121744
12 Duodecimal 68a4640
16 Hexadecimal 1330890
20 Vigesimal 65f474
36 Base36 bza1c

Cryptographic Hash Functions

md5 ff04113cc4ff74e181892deffc720e82
sha1 9c8d1834c1a73c4d181e9b13a734d3825597a7fe
sha256 ba7c4259dbcd84b81bf7329c7bf6c5ccba29b3080f2080082f5e898e5778daf6
sha512 bb06d1f36770a48ecac55019f429e413790c1b300a11c36d644838e40529445453894065597fdff4826e053609534c2b9362d664a5b3c7f2d07fa380d285aa41
ripemd-160 3a69d6e5d796a72b611df8594e6f6a45f037b884

20121744 as geometric shapes

Circle

Radius = n
Diameter 40243488
Circumference 126428646.25563
Area 1.2719824271112E+15

Sphere

Radius = n
Volume 3.4126006361106E+22
Surface area 5.0879297084446E+15
Circumference 126428646.25563

Square

Length = n
Perimeter 80486976
Area 404884581601536
Diagonal 28456443.263399

Cube

Length = n
Surface area 2429307489609216
Volume 8.1469839005332E+21
Space diagonal 34851882.944894

Equilateral Triangle

Length = n
Perimeter 60365232
Area 1.7532016663378E+14
Altitude 17425941.472447

Triangular Pyramid

Length = n
Surface area 1.7532016663378E+14
Volume 9.6013126038078E+20
Height 9485481.0877998