21497746 (number)

21497746 is an even 8-digits composite number following 21497745 and preceding 21497747. In scientific notation, it is written as 2.1497746 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 10748872 positive integers (up to 21497746) that are relatively prime to 21497746.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497746 × 10^7
Engineering notation 2.1497746 × 10^6

Prime Factorization of 21497746

Prime Factorization 2 × 10748873

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21497746
Product of the distinct prime numbers

The prime factorization of 21497746 is 2 × 10748873. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497746)

Multiplication

n×y
n×2 42995492
n×3 64493238
n×4 85990984
n×5 107488730

Division

n÷y
n÷2 10748873
n÷3 7165915.3333333
n÷3 5374436.5
n÷5 4299549.2

Exponentiation

ny
n2 462153083080516
n3 9.9352495931818E+21
n4 2.1358547220083E+29
n5 4.5916062306634E+36

Nth Root

y√n
2√n 4636.5661863064
3√n 278.05517080417
4√n 68.092335738366
5√n 29.273765223953

Divisors of 21497746

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497745
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497746 can be divided by 4 positive divisors. The sum of these divisors (counting 21497746) is 1, the average is 0.25.

Base conversion 21497746

Base System Value
2 Binary 1010010000000011110010010
3 Ternary 1111110012100211
4 Quaternary 1102000132102
5 Quinary 21000411441
6 Senary 2044434334
8 Octal 122003622
10 Decimal 21497746
12 Duodecimal 72489aa
16 Hexadecimal 1480792
20 Vigesimal 6e7476
36 Base36 csrrm

Cryptographic Hash Functions

md5 4e6b9bb7779bf2918954e0118449b640
sha1 3c10869848c3a6cc0e4f395d8260d18d141d1cd1
sha256 298ed175351caedaed46fcd9f8eb8f54f85dc59ade93d4cc84fc46c04ce11b17
sha512 6f04cc0cefc332b22a85b1e1a2875fd33858e7df1c78df468e02fe61b6c5615aa2254bd73101631b8f839e1f05251e474eda33ec131a90ec13435cb8fc4d8c00
ripemd-160 96727fb099c8de7fe0709c7602339b9dfd9d6f47

21497746 as geometric shapes

Circle

Radius = n
Diameter 42995492
Circumference 135074321.80468
Area 1.4518967306396E+15

Sphere

Radius = n
Volume 4.1616676178028E+22
Surface area 5.8075869225585E+15
Circumference 135074321.80468

Square

Length = n
Perimeter 85990984
Area 462153083080516
Diagonal 30402403.953652

Cube

Length = n
Surface area 2772918498483096
Volume 9.9352495931818E+21
Space diagonal 37235188.320211

Equilateral Triangle

Length = n
Perimeter 64493238
Area 2.0011815519251E+14
Altitude 18617594.160105

Triangular Pyramid

Length = n
Surface area 2.0011815519251E+14
Volume 1.1708803933533E+21
Height 10134134.651217