21531630 (number)

21531630 is an even 8-digits composite number following 21531629 and preceding 21531631. In scientific notation, it is written as 2.1531630 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 5543552 positive integers (up to 21531630) that are relatively prime to 21531630.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one thousand six hundred thirty

Notation

Scientific notation 2.1531630 × 10^7
Engineering notation 2.1531630 × 10^6

Prime Factorization of 21531630

Prime Factorization 2 × 435 × 24749

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21531630
Product of the distinct prime numbers

The prime factorization of 21531630 is 2 × 435 × 24749. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21531630)

Multiplication

n×y
n×2 43063260
n×3 64594890
n×4 86126520
n×5 107658150

Division

n÷y
n÷2 10765815
n÷3 7177210
n÷3 5382907.5
n÷5 4306326

Exponentiation

ny
n2 463611090456900
n3 9.9823024636145E+21
n4 2.1493524319464E+29
n5 4.6279061304269E+36

Nth Root

y√n
2√n 4640.2187448438
3√n 278.20118108399
4√n 68.119151087222
5√n 29.282987469714

Divisors of 21531630

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 -21531629
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 21531630 can be divided by 8 positive divisors. The sum of these divisors (counting 21531630) is 1, the average is 0.125.

Base conversion 21531630

Base System Value
2 Binary 1010010001000101111101110
3 Ternary 1111111220211210
4 Quaternary 1102020233232
5 Quinary 21003003010
6 Senary 2045255250
8 Octal 122105756
10 Decimal 21531630
12 Duodecimal 7264526
16 Hexadecimal 1488bee
20 Vigesimal 6eb91a
36 Base36 cthwu

Cryptographic Hash Functions

md5 9a20ca9f3970f0ed2aac1d109192721b
sha1 a03ecd530c971059cdee6803abdf65f254759270
sha256 b993abc4af81dd55f3ac0527535885dca320c16050bcd6dd8ff892f353ac4093
sha512 a5acaea6e24e2019283fac8d2ac17c7893216d9157c82fc20f685b09e033942a0c8077ae848d668fc0d91786bb5646f72a51809a50289a48d49b54e9326d70eb
ripemd-160 a084e88dc389e70252386f364e1559a98b4da2a2

21531630 as geometric shapes

Circle

Radius = n
Diameter 43063260
Circumference 135287221.25563
Area 1.4564771959022E+15

Sphere

Radius = n
Volume 4.1813770780803E+22
Surface area 5.8259087836086E+15
Circumference 135287221.25563

Square

Length = n
Perimeter 86126520
Area 463611090456900
Diagonal 30450323.165999

Cube

Length = n
Surface area 2781666542741400
Volume 9.9823024636145E+21
Space diagonal 37293877.129774

Equilateral Triangle

Length = n
Perimeter 64594890
Area 2.0074949090594E+14
Altitude 18646938.564887

Triangular Pyramid

Length = n
Surface area 2.0074949090594E+14
Volume 1.1764256273128E+21
Height 10150107.722