21131242 (number)

21131242 is an even 8-digits composite number following 21131241 and preceding 21131243. In scientific notation, it is written as 2.1131242 × 10^7. The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors. There are 9540000 positive integers (up to 21131242) that are relatively prime to 21131242.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131242 × 10^7
Engineering notation 2.1131242 × 10^6

Prime Factorization of 21131242

Prime Factorization 2 × 11 × 151 × 6361

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21131242
Product of the distinct prime numbers

The prime factorization of 21131242 is 2 × 11 × 151 × 6361. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 6, 9, 122, 863, 1227, 5112, 3781, 4875, 12026, 466456, 9691305, 1761812, 99827970, 81388640, 84350065, 539933101, 2671221617, 8066456397

Basic calculations (n = 21131242)

Multiplication

n×y
n×2 42262484
n×3 63393726
n×4 84524968
n×5 105656210

Division

n÷y
n÷2 10565621
n÷3 7043747.3333333
n÷3 5282810.5
n÷5 4226248.4

Exponentiation

ny
n2 446529388462564
n3 9.4357205677144E+21
n4 1.9938849476075E+29
n5 4.2133265348052E+36

Nth Root

y√n
2√n 4596.8730676407
3√n 276.46596531028
4√n 67.800243861218
5√n 29.173262832116

Divisors of 21131242

1, 2, 11, 22, 151, 302, 1661, 3322, 6361, 12722, 69971, 139942, 960511, 1921022, 10565621, 21131242

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131241
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131242 can be divided by 16 positive divisors. The sum of these divisors (counting 21131242) is 1, the average is 0.0625.

Base conversion 21131242

Base System Value
2 Binary 1010000100110111111101010
3 Ternary 1110202120121121
4 Quaternary 1100212333222
5 Quinary 20402144432
6 Senary 2032525454
8 Octal 120467752
10 Decimal 21131242
12 Duodecimal 70b088a
16 Hexadecimal 1426fea
20 Vigesimal 6c1822
36 Base36 ckwyy

Cryptographic Hash Functions

md5 8dd6440b3f5fc89e8fd8bf10a4a45a46
sha1 de2e9a3d7718e881bc77ca0b64454d5320addd43
sha256 6e74fbbee45d80a4cf205a0e3bfbf3f52086da9b6a2aca4efeeea3e7cba0df0c
sha512 53d3a05284bcfeac0b846318ebced2db5275026620fa9d64745d014def0b2d0732ed98d7c0523f304cb13b70bfc34598c0321c27dfdaba6bb7907bb41c084602
ripemd-160 ef3927030812e19f05706a66ee24c9f6b4e2255d

21131242 as geometric shapes

Circle

Radius = n
Diameter 42262484
Circumference 132771509.25686
Area 1.4028134464059E+15

Sphere

Radius = n
Volume 3.9524253889144E+22
Surface area 5.6112537856237E+15
Circumference 132771509.25686

Square

Length = n
Perimeter 84524968
Area 446529388462564
Diagonal 29884089.026188

Cube

Length = n
Surface area 2679176330775384
Volume 9.4357205677144E+21
Space diagonal 36600384.771033

Equilateral Triangle

Length = n
Perimeter 63393726
Area 1.9335289697246E+14
Altitude 18300192.385517

Triangular Pyramid

Length = n
Surface area 1.9335289697246E+14
Volume 1.1120103331354E+21
Height 9961363.0087293