21551520 (number)

21551520 is an even 8-digits composite number following 21551519 and preceding 21551521. In scientific notation, it is written as 2.1551520 × 10^7. The sum of its digits is 21. It has a total of 9 prime factors and 96 positive divisors. There are 5642240 positive integers (up to 21551520) that are relatively prime to 21551520.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand five hundred twenty

Notation

Scientific notation 2.1551520 × 10^7
Engineering notation 2.1551520 × 10^6

Prime Factorization of 21551520

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 3 × 59 × 761

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 1346970
Product of the distinct prime numbers

The prime factorization of 21551520 is 2 × 2 × 2 × 2 × 2 × 5 × 3 × 59 × 761. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551520)

Multiplication

n×y
n×2 43103040
n×3 64654560
n×4 86206080
n×5 107757600

Division

n÷y
n÷2 10775760
n÷3 7183840
n÷3 5387880
n÷5 4310304

Exponentiation

ny
n2 464468014310400
n3 1.0009991699771E+22
n4 2.1573053631745E+29
n5 4.6493209680562E+36

Nth Root

y√n
2√n 4642.3614680462
3√n 278.28681817571
4√n 68.134877031123
5√n 29.288395546364

Divisors of 21551520

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551520 can be divided by 96 positive divisors. The sum of these divisors (counting 21551520) is 1, the average is 0.010416666666667.

Base conversion 21551520

Base System Value
2 Binary 1010010001101100110100000
3 Ternary 1111112221010110
4 Quaternary 1102031212200
5 Quinary 21004122040
6 Senary 2045531320
8 Octal 122154640
10 Decimal 21551520
12 Duodecimal 7273b40
16 Hexadecimal 148d9a0
20 Vigesimal 6edig0
36 Base36 ctx9c

Cryptographic Hash Functions

md5 ff676d1efd5a70c530e0185d9bb36ad6
sha1 865a568a85eeaea8b0245c8cc8a5e93922947949
sha256 788fd8e815b92488ee83fc9197b8fcefa6ecb732a60a95db893cad4bbbf72d40
sha512 3711a38be3a8a5ae84577141de298f37d395e1fc9c5976a3691deec355144d53abc58b48907c1b288739cf5aac1800f45382334ff36b0c86e739d42b2ca2a378
ripemd-160 a8dbe8db393858381b82945aeb31d45cf3a41c55

21551520 as geometric shapes

Circle

Radius = n
Diameter 43103040
Circumference 135412193.81139
Area 1.459169301585E+15

Sphere

Radius = n
Volume 4.1929755181993E+22
Surface area 5.83667720634E+15
Circumference 135412193.81139

Square

Length = n
Perimeter 86206080
Area 464468014310400
Diagonal 30478451.873755

Cube

Length = n
Surface area 2786808085862400
Volume 1.0009991699771E+22
Space diagonal 37328327.620337

Equilateral Triangle

Length = n
Perimeter 64654560
Area 2.0112054981906E+14
Altitude 18664163.810168

Triangular Pyramid

Length = n
Surface area 2.0112054981906E+14
Volume 1.1796888350882E+21
Height 10159483.957918