21051520 (number)

21051520 is an even 8-digits composite number following 21051519 and preceding 21051521. In scientific notation, it is written as 2.1051520 × 10^7. The sum of its digits is 16. It has a total of 10 prime factors and 64 positive divisors. There are 6967296 positive integers (up to 21051520) that are relatively prime to 21051520.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1051520 × 10^7
Engineering notation 2.1051520 × 10^6

Prime Factorization of 21051520

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 35 × 37 × 127

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 328930
Product of the distinct prime numbers

The prime factorization of 21051520 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 35 × 37 × 127. Since it has a total of 10 prime factors.

Most popular turbo-numbers

4, 7, 90, 36, 344, 110, 7404, 8347, 93478, 18437, 48371, 28308, 9094837, 6995109, 63072694, 92143535, 281793048, 655764527, 2668752856, 487205347

Basic calculations (n = 21051520)

Multiplication

n×y
n×2 42103040
n×3 63154560
n×4 84206080
n×5 105257600

Division

n÷y
n÷2 10525760
n÷3 7017173.3333333
n÷3 5262880
n÷5 4210304

Exponentiation

ny
n2 443166494310400
n3 9.3293283183053E+21
n4 1.9639654167937E+29
n5 4.1344457250941E+36

Nth Root

y√n
2√n 4588.1935443048
3√n 276.11785207143
4√n 67.736205564711
5√n 29.151217099294

Divisors of 21051520

1, 2, 4, 8, 16, 32, 35, 37, 64, 70, 74, 127, 128, 140, 148, 254, 280, 296, 508, 560, 592, 1016, 1120, 1184, 1295, 2032, 2240, 2368, 2590, 4064, 4445, 4480, 4699, 4736, 5180, 8128, 8890, 9398, 10360, 16256, 17780, 18796, 20720, 35560, 37592, 41440, 71120, 75184, 82880, 142240, 150368, 164465, 165760, 284480, 300736, 328930, 568960, 601472, 657860, 1315720, 2631440, 5262880, 10525760, 21051520

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21051519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21051520 can be divided by 64 positive divisors. The sum of these divisors (counting 21051520) is 1, the average is 0.015625.

Base conversion 21051520

Base System Value
2 Binary 1010000010011100010000000
3 Ternary 1110121112020221
4 Quaternary 1100103202000
5 Quinary 20342122040
6 Senary 2031112424
8 Octal 120234200
10 Decimal 21051520
12 Duodecimal 7072714
16 Hexadecimal 1413880
20 Vigesimal 6bb8g0
36 Base36 cj7gg

Cryptographic Hash Functions

md5 614f01a5e50ba83970e772f32628e918
sha1 d98b63ffb7e115730f407a608926b095a010b507
sha256 b11998da9e978e82e48344d36edeb353003fb0408562ec00bcf8ef2ff298c6bc
sha512 882f3922c2357a546fcc0d28333c4a87c77f5acf05c5856b11e11004c7985460a12bbc5ae087cf723c7d7c157533e463605e1c0fabcaf24de5234b613f4321db
ripemd-160 f4583f583138a5bf54ceb6f16866e3269ce4db02

21051520 as geometric shapes

Circle

Radius = n
Diameter 42103040
Circumference 132270601.1578
Area 1.3922486028427E+15

Sphere

Radius = n
Volume 3.9078599076953E+22
Surface area 5.5689944113708E+15
Circumference 132270601.1578

Square

Length = n
Perimeter 84206080
Area 443166494310400
Diagonal 29771345.092568

Cube

Length = n
Surface area 2658998965862400
Volume 9.3293283183053E+21
Space diagonal 36462302.216552

Equilateral Triangle

Length = n
Perimeter 63154560
Area 1.9189672108945E+14
Altitude 18231151.108276

Triangular Pyramid

Length = n
Surface area 1.9189672108945E+14
Volume 1.0994718862982E+21
Height 9923781.6975228