21542085 (number)

21542085 is an odd 8-digits composite number following 21542084 and preceding 21542086. In scientific notation, it is written as 2.1542085 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 11489040 positive integers (up to 21542085) that are relatively prime to 21542085.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand eighty-five

Notation

Scientific notation 2.1542085 × 10^7
Engineering notation 2.1542085 × 10^6

Prime Factorization of 21542085

Prime Factorization 135 × 159571

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21542085
Product of the distinct prime numbers

The prime factorization of 21542085 is 135 × 159571. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21542085)

Multiplication

n×y
n×2 43084170
n×3 64626255
n×4 86168340
n×5 107710425

Division

n÷y
n÷2 10771042.5
n÷3 7180695
n÷3 5385521.25
n÷5 4308417

Exponentiation

ny
n2 464061426147225
n3 9.9968506872847E+21
n4 2.153530072378E+29
n5 4.6391527869222E+36

Nth Root

y√n
2√n 4641.3451713916
3√n 278.24620202458
4√n 68.127418646178
5√n 29.285830674695

Divisors of 21542085

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 -21542084
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 21542085 can be divided by 4 positive divisors. The sum of these divisors (counting 21542085) is 1, the average is 0.25.

Base conversion 21542085

Base System Value
2 Binary 1010010001011010011000101
3 Ternary 1111112110012000
4 Quaternary 1102023103011
5 Quinary 21003321320
6 Senary 2045415513
8 Octal 122132305
10 Decimal 21542085
12 Duodecimal 726a599
16 Hexadecimal 148b4c5
20 Vigesimal 6ecf45
36 Base36 ctpz9

Cryptographic Hash Functions

md5 dbab101f57a1f03b9ef01507701c579f
sha1 c24ae64d85b4fd2cadd1fef6f0896dffde68642f
sha256 7b0ef8279832e90bb64cd8c548e55d5f6a8259027f551b34bb79dff15b2685e0
sha512 a62cd22c42d14975e5b6adbe758b03bfa4f3bb47056714c65b53a0382f02b268ce49be4d5b217acf99b15c7e5b54c5cf39726a29e719b782c3ea4bf900843f40
ripemd-160 00657f7e9c910300c925352d6826c2bf862e412e

21542085 as geometric shapes

Circle

Radius = n
Diameter 43084170
Circumference 135352911.95801
Area 1.4578919671985E+15

Sphere

Radius = n
Volume 4.187471023761E+22
Surface area 5.8315678687941E+15
Circumference 135352911.95801

Square

Length = n
Perimeter 86168340
Area 464061426147225
Diagonal 30465108.768794

Cube

Length = n
Surface area 2784368556883350
Volume 9.9968506872847E+21
Space diagonal 37311985.720967

Equilateral Triangle

Length = n
Perimeter 64626255
Area 2.0094449197997E+14
Altitude 18655992.860484

Triangular Pyramid

Length = n
Surface area 2.0094449197997E+14
Volume 1.1781401519147E+21
Height 10155036.256265