21528090 (number)

21528090 is an even 8-digits composite number following 21528089 and preceding 21528091. In scientific notation, it is written as 2.1528090 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 5740800 positive integers (up to 21528090) that are relatively prime to 21528090.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred twenty-eight thousand ninety

Notation

Scientific notation 2.1528090 × 10^7
Engineering notation 2.1528090 × 10^6

Prime Factorization of 21528090

Prime Factorization 2 × 45 × 239201

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21528090
Product of the distinct prime numbers

The prime factorization of 21528090 is 2 × 45 × 239201. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21528090)

Multiplication

n×y
n×2 43056180
n×3 64584270
n×4 86112360
n×5 107640450

Division

n÷y
n÷2 10764045
n÷3 7176030
n÷3 5382022.5
n÷5 4305618

Exponentiation

ny
n2 463458659048100
n3 9.9773797232668E+21
n4 2.1479392864666E+29
n5 4.6241030273589E+36

Nth Root

y√n
2√n 4639.8372816296
3√n 278.18593396215
4√n 68.116351059269
5√n 29.28202452735

Divisors of 21528090

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21528089
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21528090 can be divided by 8 positive divisors. The sum of these divisors (counting 21528090) is 1, the average is 0.125.

Base conversion 21528090

Base System Value
2 Binary 1010010000111111000011010
3 Ternary 1111111201222200
4 Quaternary 1102013320122
5 Quinary 21002344330
6 Senary 2045231030
8 Octal 122077032
10 Decimal 21528090
12 Duodecimal 7262476
16 Hexadecimal 1487e1a
20 Vigesimal 6eb04a
36 Base36 ctf6i

Cryptographic Hash Functions

md5 630391b39722f8c3a459971012730feb
sha1 831adfca12f06e9b5844c39aa3059cb7984aa5e3
sha256 3b16228781a05bd906255dffd9b4cae7ce38f256551cf0db374a21c876549ee2
sha512 18850c1c5fb8c67dcf92048bfe1578f4c321cd6e2c4890f6783387b2cb3eaba9a9b5518f1f2f6b630b0d396ce607bf6e613ab25ae7e9c0cc7371c1f5adc4b940
ripemd-160 8c28d207496274f7f0384fc4e1ebec0635d9110f

21528090 as geometric shapes

Circle

Radius = n
Diameter 43056180
Circumference 135264978.77964
Area 1.4559983185081E+15

Sphere

Radius = n
Volume 4.1793150454254E+22
Surface area 5.8239932740324E+15
Circumference 135264978.77964

Square

Length = n
Perimeter 86112360
Area 463458659048100
Diagonal 30445316.849989

Cube

Length = n
Surface area 2780751954288600
Volume 9.9773797232668E+21
Space diagonal 37287745.669915

Equilateral Triangle

Length = n
Perimeter 64584270
Area 2.0068348616976E+14
Altitude 18643872.834958

Triangular Pyramid

Length = n
Surface area 2.0068348616976E+14
Volume 1.1758454767992E+21
Height 10148438.949996