21351520 (number)

21351520 is an even 8-digits composite number following 21351519 and preceding 21351521. In scientific notation, it is written as 2.1351520 × 10^7. The sum of its digits is 19. It has a total of 7 prime factors and 24 positive divisors. There are 8540544 positive integers (up to 21351520) that are relatively prime to 21351520.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1351520 × 10^7
Engineering notation 2.1351520 × 10^6

Prime Factorization of 21351520

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 133447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1334470
Product of the distinct prime numbers

The prime factorization of 21351520 is 2 × 2 × 2 × 2 × 2 × 5 × 133447. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 8, 21, 27, 604, 5, 9839, 4295, 58558, 26809, 860667, 582977, 1352956, 3160194, 68197963, 80055324, 906507401, 834715098, 7047156, 1604212978

Basic calculations (n = 21351520)

Multiplication

n×y
n×2 42703040
n×3 64054560
n×4 85406080
n×5 106757600

Division

n÷y
n÷2 10675760
n÷3 7117173.3333333
n÷3 5337880
n÷5 4270304

Exponentiation

ny
n2 455887406310400
n3 9.7338890735846E+21
n4 2.0783332723242E+29
n5 4.4375574430696E+36

Nth Root

y√n
2√n 4620.7704985208
3√n 277.42329941994
4√n 67.976249517907
5√n 29.233832853028

Divisors of 21351520

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 133447, 266894, 533788, 667235, 1067576, 1334470, 2135152, 2668940, 4270304, 5337880, 10675760, 21351520

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 -21351519
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 21351520 can be divided by 24 positive divisors. The sum of these divisors (counting 21351520) is 1, the average is 0.041666666666667.

Base conversion 21351520

Base System Value
2 Binary 1010001011100110001100000
3 Ternary 1111011202210001
4 Quaternary 1101130301200
5 Quinary 20431222040
6 Senary 2041345344
8 Octal 121346140
10 Decimal 21351520
12 Duodecimal 7198254
16 Hexadecimal 145cc60
20 Vigesimal 6d8ig0
36 Base36 cpmxs

Cryptographic Hash Functions

md5 1d00c3bd15cc4a9a19675403adbeef5a
sha1 65a00c8465a3dc8dae54e2fb95c60235a0ee0c18
sha256 027265d796ee7802ce53230a6591aef8dc0a3f24c9921341e4c6d8b8703bd9df
sha512 1794cc0e85c6217dd495c5669edd6305226b6a4786e8ccb6217efafc622bed72d701718d440be73596228efbb19c673694f86fc3371b7d454251506637cfc002
ripemd-160 c06f5a72aa5a20328bae84d332471d175e94d695

21351520 as geometric shapes

Circle

Radius = n
Diameter 42703040
Circumference 134155556.74995
Area 1.4322125265289E+15

Sphere

Radius = n
Volume 4.0773219205909E+22
Surface area 5.7288501061154E+15
Circumference 134155556.74995

Square

Length = n
Perimeter 85406080
Area 455887406310400
Diagonal 30195609.16128

Cube

Length = n
Surface area 2735324437862400
Volume 9.7338890735846E+21
Space diagonal 36981917.458823

Equilateral Triangle

Length = n
Perimeter 64054560
Area 1.974050375651E+14
Altitude 18490958.729412

Triangular Pyramid

Length = n
Surface area 1.974050375651E+14
Volume 1.1471498285416E+21
Height 10065203.05376