21542280 (number)

21542280 is an even 8-digits composite number following 21542279 and preceding 21542281. In scientific notation, it is written as 2.1542280 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 16 positive divisors. There are 5744576 positive integers (up to 21542280) that are relatively prime to 21542280.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1542280 × 10^7
Engineering notation 2.1542280 × 10^6

Prime Factorization of 21542280

Prime Factorization 2 × 2 × 2 × 15 × 179519

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5385570
Product of the distinct prime numbers

The prime factorization of 21542280 is 2 × 2 × 2 × 15 × 179519. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 3, 38, 94, 97, 287, 8194, 7111, 40382, 90171, 260729, 514442, 2798782, 6175700, 63307978, 37678139, 769947598, 206773924, 273864926, 1329814664

Basic calculations (n = 21542280)

Multiplication

n×y
n×2 43084560
n×3 64626840
n×4 86169120
n×5 107711400

Division

n÷y
n÷2 10771140
n÷3 7180760
n÷3 5385570
n÷5 4308456

Exponentiation

ny
n2 464069827598400
n3 9.9971221656765E+21
n4 2.1536080488721E+29
n5 4.6393627599056E+36

Nth Root

y√n
2√n 4641.366178185
3√n 278.24704158809
4√n 68.12757281883
5√n 29.285883693856

Divisors of 21542280

1, 2, 4, 8, 15, 30, 60, 120, 179519, 359038, 718076, 1436152, 2692785, 5385570, 10771140, 21542280

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21542279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21542280 can be divided by 16 positive divisors. The sum of these divisors (counting 21542280) is 1, the average is 0.0625.

Base conversion 21542280

Base System Value
2 Binary 1010010001011010110001000
3 Ternary 1111112110110020
4 Quaternary 1102023112020
5 Quinary 21003323110
6 Senary 2045420440
8 Octal 122132610
10 Decimal 21542280
12 Duodecimal 726a720
16 Hexadecimal 148b588
20 Vigesimal 6ecfe0
36 Base36 ctq4o

Cryptographic Hash Functions

md5 b8a992ba232c13c21ff4975f863fed71
sha1 b2c4499f865ca343305dd9c331ead87a2fae0e2e
sha256 909adef1f21f8fda1bd0834160786ce89974436352224a8d7eefa543b2dd7799
sha512 1cd29de4bb149d14a2472a1f0638b5704c8706521c907a0304e03100258af10e57621c4d74866285842d4ea665aafed285b64b551d4950717f18282ae67d50b1
ripemd-160 b68e9d9f0dbcba7eeabdaa8ae3d281197ebe7aac

21542280 as geometric shapes

Circle

Radius = n
Diameter 43084560
Circumference 135354137.17915
Area 1.4579183611358E+15

Sphere

Radius = n
Volume 4.1875847403638E+22
Surface area 5.8316734445433E+15
Circumference 135354137.17915

Square

Length = n
Perimeter 86169120
Area 464069827598400
Diagonal 30465384.540439

Cube

Length = n
Surface area 2784418965590400
Volume 9.9971221656765E+21
Space diagonal 37312323.470875

Equilateral Triangle

Length = n
Perimeter 64626840
Area 2.0094812991504E+14
Altitude 18656161.735437

Triangular Pyramid

Length = n
Surface area 2.0094812991504E+14
Volume 1.17817214595E+21
Height 10155128.180146