21531146 (number)

21531146 is an even 8-digits composite number following 21531145 and preceding 21531147. In scientific notation, it is written as 2.1531146 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 8015616 positive integers (up to 21531146) that are relatively prime to 21531146.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one thousand one hundred forty-six

Notation

Scientific notation 2.1531146 × 10^7
Engineering notation 2.1531146 × 10^6

Prime Factorization of 21531146

Prime Factorization 2 × 1547 × 6959

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21531146
Product of the distinct prime numbers

The prime factorization of 21531146 is 2 × 1547 × 6959. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21531146)

Multiplication

n×y
n×2 43062292
n×3 64593438
n×4 86124584
n×5 107655730

Division

n÷y
n÷2 10765573
n÷3 7177048.6666667
n÷3 5382786.5
n÷5 4306229.2

Exponentiation

ny
n2 463590248073316
n3 9.9816293154428E+21
n4 2.1491591810868E+29
n5 4.627386010522E+36

Nth Root

y√n
2√n 4640.166591837
3√n 278.19909654788
4√n 68.118768278918
5√n 29.282855820662

Divisors of 21531146

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 -21531145
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 21531146 can be divided by 8 positive divisors. The sum of these divisors (counting 21531146) is 1, the average is 0.125.

Base conversion 21531146

Base System Value
2 Binary 1010010001000101000001010
3 Ternary 1111111220011212
4 Quaternary 1102020220022
5 Quinary 21002444041
6 Senary 2045253122
8 Octal 122105012
10 Decimal 21531146
12 Duodecimal 72641a2
16 Hexadecimal 1488a0a
20 Vigesimal 6eb7h6
36 Base36 cthje

Cryptographic Hash Functions

md5 6e130e78dc8c68ea3fde5103957c44d5
sha1 3d6e29873ebecb67511172f57bcbc2c0b8341afe
sha256 f83e12d8208608df2c309cef71e32fbb4bda174ccefa390b41246b0cb6b63c6d
sha512 0fccf59a3cbd9a7c253688f8bb9840f228a9de3b9d3d96f6e5e18f3983fd5973e1b8d93425cb833d6ad61f8c5a997e65370461982310162e51f0e69276d8212d
ripemd-160 a8ad7e9ee54e74ad1cfeed496331a18284edce4e

21531146 as geometric shapes

Circle

Radius = n
Diameter 43062292
Circumference 135284180.19394
Area 1.456411717623E+15

Sphere

Radius = n
Volume 4.1810951104335E+22
Surface area 5.825646870492E+15
Circumference 135284180.19394

Square

Length = n
Perimeter 86124584
Area 463590248073316
Diagonal 30449638.686635

Cube

Length = n
Surface area 2781541488439896
Volume 9.9816293154428E+21
Space diagonal 37293038.817183

Equilateral Triangle

Length = n
Perimeter 64593438
Area 2.0074046588911E+14
Altitude 18646519.408592

Triangular Pyramid

Length = n
Surface area 2.0074046588911E+14
Volume 1.17634629604E+21
Height 10149879.562212