21131844 (number)

21131844 is an even 8-digits composite number following 21131843 and preceding 21131845. In scientific notation, it is written as 2.1131844 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors. There are 7013760 positive integers (up to 21131844) that are relatively prime to 21131844.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand eight hundred forty-four

Notation

Scientific notation 2.1131844 × 10^7
Engineering notation 2.1131844 × 10^6

Prime Factorization of 21131844

Prime Factorization 2 × 2 × 3 × 241 × 7307

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10565922
Product of the distinct prime numbers

The prime factorization of 21131844 is 2 × 2 × 3 × 241 × 7307. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131844)

Multiplication

n×y
n×2 42263688
n×3 63395532
n×4 84527376
n×5 105659220

Division

n÷y
n÷2 10565922
n÷3 7043948
n÷3 5282961
n÷5 4226368.8

Exponentiation

ny
n2 446554830840336
n3 9.4365270227644E+21
n4 1.9941121694684E+29
n5 4.2139267283708E+36

Nth Root

y√n
2√n 4596.9385464676
3√n 276.46859066363
4√n 67.800726739967
5√n 29.173429051442

Divisors of 21131844

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131844 can be divided by 24 positive divisors. The sum of these divisors (counting 21131844) is 1, the average is 0.041666666666667.

Base conversion 21131844

Base System Value
2 Binary 1010000100111001001000100
3 Ternary 1110202121102220
4 Quaternary 1100213021010
5 Quinary 20402204334
6 Senary 2032532340
8 Octal 120471104
10 Decimal 21131844
12 Duodecimal 70b10b0
16 Hexadecimal 1427244
20 Vigesimal 6c19c4
36 Base36 ckxfo

Cryptographic Hash Functions

md5 3b170e6342ac73df61f3ab063ec98313
sha1 03df411634cb0852206044fccc58ee5571c4bea8
sha256 e9e056a2a8f49587a3a1a1de3c1376081a3dbf7871e455bd7d87f4a4c886f764
sha512 82c93de44c1897370dd337e56aa49214ada912018a1f131ed4ff317083c2f4cc2c8814bffe5481856a77f6c9959f9a55188f7db96c28001b12a14a226e35421f
ripemd-160 bd8df2827c4e9916af72fe485733950c97d9598f

21131844 as geometric shapes

Circle

Radius = n
Diameter 42263688
Circumference 132775291.73441
Area 1.402893375993E+15

Sphere

Radius = n
Volume 3.9527631960157E+22
Surface area 5.6115735039721E+15
Circumference 132775291.73441

Square

Length = n
Perimeter 84527376
Area 446554830840336
Diagonal 29884940.382753

Cube

Length = n
Surface area 2679328985042016
Volume 9.4365270227644E+21
Space diagonal 36601427.46562

Equilateral Triangle

Length = n
Perimeter 63395532
Area 1.933639138452E+14
Altitude 18300713.73281

Triangular Pyramid

Length = n
Surface area 1.933639138452E+14
Volume 1.1121053747745E+21
Height 9961646.7942508