21546540 (number)

21546540 is an even 8-digits composite number following 21546539 and preceding 21546541. In scientific notation, it is written as 2.1546540 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 5745600 positive integers (up to 21546540) that are relatively prime to 21546540.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1546540 × 10^7
Engineering notation 2.1546540 × 10^6

Prime Factorization of 21546540

Prime Factorization 2 × 2 × 135 × 39901

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10773270
Product of the distinct prime numbers

The prime factorization of 21546540 is 2 × 2 × 135 × 39901. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21546540)

Multiplication

n×y
n×2 43093080
n×3 64639620
n×4 86186160
n×5 107732700

Division

n÷y
n÷2 10773270
n÷3 7182180
n÷3 5386635
n÷5 4309308

Exponentiation

ny
n2 464253385971600
n3 1.0003054150973E+22
n4 2.155312063861E+29
n5 4.6439517596463E+36

Nth Root

y√n
2√n 4641.8250721026
3√n 278.26538155756
4√n 68.130940637148
5√n 29.28704186279

Divisors of 21546540

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21546539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21546540 can be divided by 12 positive divisors. The sum of these divisors (counting 21546540) is 1, the average is 0.083333333333333.

Base conversion 21546540

Base System Value
2 Binary 1010010001100011000101100
3 Ternary 1111112200022000
4 Quaternary 1102030120230
5 Quinary 21003442130
6 Senary 2045452300
8 Octal 122143054
10 Decimal 21546540
12 Duodecimal 7271090
16 Hexadecimal 148c62c
20 Vigesimal 6ed670
36 Base36 cttf0

Cryptographic Hash Functions

md5 248d407de2fcaebd395c864adb782c88
sha1 e2e73fb144548762633e4cf5f9c3ba90a7bcf357
sha256 22151c95e569138dea47db67881b14f0701cb5026f283dd935c124465be3d194
sha512 bedc8b4e4ae32d54a810d791aa077179114f20ce59605ce1e3d220263f15e2b0a0d58157b040becfe542779a4cbbd1ca91733e2d647a1635b268b69422f035ce
ripemd-160 942be417ee57fe5410e0bb21079a783dfc95348c

21546540 as geometric shapes

Circle

Radius = n
Diameter 43093080
Circumference 135380903.54856
Area 1.4584950267726E+15

Sphere

Radius = n
Volume 4.1900695245542E+22
Surface area 5.8339801070903E+15
Circumference 135380903.54856

Square

Length = n
Perimeter 86186160
Area 464253385971600
Diagonal 30471409.090214

Cube

Length = n
Surface area 2785520315829600
Volume 1.0003054150973E+22
Space diagonal 37319702.007315

Equilateral Triangle

Length = n
Perimeter 64639620
Area 2.0102761302217E+14
Altitude 18659851.003658

Triangular Pyramid

Length = n
Surface area 2.0102761302217E+14
Volume 1.1788712371215E+21
Height 10157136.363405