21495540 (number)

21495540 is an even 8-digits composite number following 21495539 and preceding 21495541. In scientific notation, it is written as 2.1495540 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 5210880 positive integers (up to 21495540) that are relatively prime to 21495540.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand five hundred forty

Notation

Scientific notation 2.1495540 × 10^7
Engineering notation 2.1495540 × 10^6

Prime Factorization of 21495540

Prime Factorization 2 × 2 × 15 × 11 × 32569

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10747770
Product of the distinct prime numbers

The prime factorization of 21495540 is 2 × 2 × 15 × 11 × 32569. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 1, 20, 91, 842, 242, 5401, 3987, 42761, 37556, 267215, 920381, 1218134, 5355190, 55174524, 53473416, 116249736, 679878670, 7543168173, 4055045456

Basic calculations (n = 21495540)

Multiplication

n×y
n×2 42991080
n×3 64486620
n×4 85982160
n×5 107477700

Division

n÷y
n÷2 10747770
n÷3 7165180
n÷3 5373885
n÷5 4299108

Exponentiation

ny
n2 462058239891600
n3 9.9321913779195E+21
n4 2.1349781705172E+29
n5 4.589250866348E+36

Nth Root

y√n
2√n 4636.3282886353
3√n 278.0456595638
4√n 68.090588840421
5√n 29.273164411413

Divisors of 21495540

1, 2, 4, 11, 15, 22, 30, 44, 60, 165, 330, 660, 32569, 65138, 130276, 358259, 488535, 716518, 977070, 1433036, 1954140, 5373885, 10747770, 21495540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495540 can be divided by 24 positive divisors. The sum of these divisors (counting 21495540) is 1, the average is 0.041666666666667.

Base conversion 21495540

Base System Value
2 Binary 1010001111111111011110100
3 Ternary 1111110002100010
4 Quaternary 1101333323310
5 Quinary 21000324130
6 Senary 2044420220
8 Octal 121777364
10 Decimal 21495540
12 Duodecimal 7247670
16 Hexadecimal 147fef4
20 Vigesimal 6e6ih0
36 Base36 csq2c

Cryptographic Hash Functions

md5 b82ce0751a720090a4ac56da7ab8f3cd
sha1 af7cf55616aa1645582c10e9591d4e79d719c972
sha256 8673627c8c8be2d2925b6997b13614b0a80e03d412620daa4c003887c6d8e8d6
sha512 8d1e28e6c84dca49d8a26ca4b8cc1faf33710a4715f8b808a2354dd1db876b07cbe52089dd4fb3326733b1ab33dc42552fe9d67c218ebba84dda93db7ad7292d
ripemd-160 c2963739139d911d4450c9cd306a3b05b571ab77

21495540 as geometric shapes

Circle

Radius = n
Diameter 42991080
Circumference 135060461.09789
Area 1.4515987719741E+15

Sphere

Radius = n
Volume 4.1603865955893E+22
Surface area 5.8063950878963E+15
Circumference 135060461.09789

Square

Length = n
Perimeter 85982160
Area 462058239891600
Diagonal 30399284.198533

Cube

Length = n
Surface area 2772349439349600
Volume 9.9321913779195E+21
Space diagonal 37231367.416129

Equilateral Triangle

Length = n
Perimeter 64486620
Area 2.0007708688702E+14
Altitude 18615683.708065

Triangular Pyramid

Length = n
Surface area 2.0007708688702E+14
Volume 1.1705199792282E+21
Height 10133094.732844