21031742 (number)

21031742 is an even 8-digits composite number following 21031741 and preceding 21031743. In scientific notation, it is written as 2.1031742 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 10492600 positive integers (up to 21031742) that are relatively prime to 21031742.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand seven hundred forty-two

Notation

Scientific notation 2.1031742 × 10^7
Engineering notation 2.1031742 × 10^6

Prime Factorization of 21031742

Prime Factorization 2 × 461 × 22811

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031742
Product of the distinct prime numbers

The prime factorization of 21031742 is 2 × 461 × 22811. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031742)

Multiplication

n×y
n×2 42063484
n×3 63095226
n×4 84126968
n×5 105158710

Division

n÷y
n÷2 10515871
n÷3 7010580.6666667
n÷3 5257935.5
n÷5 4206348.4

Exponentiation

ny
n2 442334171554564
n3 9.3030581739193E+21
n4 1.9565951932486E+29
n5 4.1150605302845E+36

Nth Root

y√n
2√n 4586.0377233512
3√n 276.03135364596
4√n 67.720290337174
5√n 29.145737499117

Divisors of 21031742

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 -21031741
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 21031742 can be divided by 8 positive divisors. The sum of these divisors (counting 21031742) is 1, the average is 0.125.

Base conversion 21031742

Base System Value
2 Binary 1010000001110101100111110
3 Ternary 1110120112010102
4 Quaternary 1100032230332
5 Quinary 20341003432
6 Senary 2030441102
8 Octal 120165476
10 Decimal 21031742
12 Duodecimal 7063192
16 Hexadecimal 140eb3e
20 Vigesimal 6b8j72
36 Base36 cis72

Cryptographic Hash Functions

md5 f482830b92ef450585fbb44d469e4e8e
sha1 90d62ca66592dca0beb34fd86418a0d766c2ecbc
sha256 f7acd843735e386e37e92bffa62667e827ebf6f6ef2d4678a04dc5160a41cd8e
sha512 e581980c04da5c6466879681bfd39fe8d1c64e787c33c0d5b0fb46907b019d9a5e8e77924e4085e1967cc797446625e2f3092608980ca51a72de1ad8a4e1f571
ripemd-160 38c64f12cd3c2cc03b0f04ea5bf0a38be19dae0c

21031742 as geometric shapes

Circle

Radius = n
Diameter 42063484
Circumference 132146332.31879
Area 1.3896337837875E+15

Sphere

Radius = n
Volume 3.8968558953471E+22
Surface area 5.5585351351502E+15
Circumference 132146332.31879

Square

Length = n
Perimeter 84126968
Area 442334171554564
Diagonal 29743374.776732

Cube

Length = n
Surface area 2654005029327384
Volume 9.3030581739193E+21
Space diagonal 36428045.71568

Equilateral Triangle

Length = n
Perimeter 63095226
Area 1.915363147641E+14
Altitude 18214022.85784

Triangular Pyramid

Length = n
Surface area 1.915363147641E+14
Volume 1.0963759200919E+21
Height 9914458.2589106