21128549 (number)

21128549 is an odd 8-digits composite number following 21128548 and preceding 21128550. In scientific notation, it is written as 2.1128549 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 19055088 positive integers (up to 21128549) that are relatively prime to 21128549.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-eight thousand five hundred forty-nine

Notation

Scientific notation 2.1128549 × 10^7
Engineering notation 2.1128549 × 10^6

Prime Factorization of 21128549

Prime Factorization 169 × 13 × 59 × 163

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21128549
Product of the distinct prime numbers

The prime factorization of 21128549 is 169 × 13 × 59 × 163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21128549)

Multiplication

n×y
n×2 42257098
n×3 63385647
n×4 84514196
n×5 105642745

Division

n÷y
n÷2 10564274.5
n÷3 7042849.6666667
n÷3 5282137.25
n÷5 4225709.8

Exponentiation

ny
n2 446415582845401
n3 9.4321135165126E+21
n4 1.992868726072E+29
n5 4.210642452938E+36

Nth Root

y√n
2√n 4596.5801418011
3√n 276.45422038659
4√n 67.798083614517
5√n 29.172519216553

Divisors of 21128549

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 -21128548
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 21128549 can be divided by 16 positive divisors. The sum of these divisors (counting 21128549) is 1, the average is 0.0625.

Base conversion 21128549

Base System Value
2 Binary 1010000100110010101100101
3 Ternary 1110202102220212
4 Quaternary 1100212111211
5 Quinary 20402103144
6 Senary 2032505205
8 Octal 120462545
10 Decimal 21128549
12 Duodecimal 70ab205
16 Hexadecimal 1426565
20 Vigesimal 6c1179
36 Base36 ckuw5

Cryptographic Hash Functions

md5 bfaa95ca5840ccfacafb1a11245f657b
sha1 82f0cdf944238e91263efa0f8b7ec992abeb64c7
sha256 56c3e352afa0802e3b00b921c476245d8a5ff24db758c9d56b99355296379dd2
sha512 bfaa02dd27b19a2ba87ae0bd72699a9529e4a012bcf5175c76d4537b9e52989178047bdf6cb7097f0769e9534e484c8d58c811efd95c638e4a8c8602c3564b28
ripemd-160 c6afaa5666674e95cde3ab87ba5b4e41f487281a

21128549 as geometric shapes

Circle

Radius = n
Diameter 42257098
Circumference 132754588.63882
Area 1.4024559155151E+15

Sphere

Radius = n
Volume 3.9509144708401E+22
Surface area 5.6098236620605E+15
Circumference 132754588.63882

Square

Length = n
Perimeter 84514196
Area 446415582845401
Diagonal 29880280.549064

Cube

Length = n
Surface area 2678493497072406
Volume 9.4321135165126E+21
Space diagonal 36595720.358209

Equilateral Triangle

Length = n
Perimeter 63385647
Area 1.9330361769468E+14
Altitude 18297860.179104

Triangular Pyramid

Length = n
Surface area 1.9330361769468E+14
Volume 1.1115852380746E+21
Height 9960093.5163548