21531706 (number)

21531706 is an even 8-digits composite number following 21531705 and preceding 21531707. In scientific notation, it is written as 2.1531706 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 8890560 positive integers (up to 21531706) that are relatively prime to 21531706.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1531706 × 10^7
Engineering notation 2.1531706 × 10^6

Prime Factorization of 21531706

Prime Factorization 2 × 7 × 7289 × 211

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21531706
Product of the distinct prime numbers

The prime factorization of 21531706 is 2 × 7 × 7289 × 211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21531706)

Multiplication

n×y
n×2 43063412
n×3 64595118
n×4 86126824
n×5 107658530

Division

n÷y
n÷2 10765853
n÷3 7177235.3333333
n÷3 5382926.5
n÷5 4306341.2

Exponentiation

ny
n2 463614363270436
n3 9.9824081673162E+21
n4 2.1493827783065E+29
n5 4.6279878063959E+36

Nth Root

y√n
2√n 4640.2269341057
3√n 278.201508405
4√n 68.119211197031
5√n 29.283008141664

Divisors of 21531706

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 -21531705
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 21531706 can be divided by 16 positive divisors. The sum of these divisors (counting 21531706) is 1, the average is 0.0625.

Base conversion 21531706

Base System Value
2 Binary 1010010001000110000111010
3 Ternary 1111111220221121
4 Quaternary 1102020300322
5 Quinary 21003003311
6 Senary 2045255454
8 Octal 122106072
10 Decimal 21531706
12 Duodecimal 726458a
16 Hexadecimal 1488c3a
20 Vigesimal 6eb956
36 Base36 cthyy

Cryptographic Hash Functions

md5 e65dd6ea6c582ef59627f0b6122ee7f9
sha1 e08c28edb058fafc0630daaeec1e44319095f31d
sha256 494d13c7b2b84ccaa4058bb08b9e8d4a4c42bd4a402f86c485fb1a014adf2e00
sha512 7f30be57ef99572944d974e8f1e5f86f7faedf81822aa40b833cfee564ea54f8e8b84901441959803d9d111484650bc40a81476c6c295eb01ee10140d1a75b12
ripemd-160 5f899fdef86e1d041475a4c28b4867f5085599fd

21531706 as geometric shapes

Circle

Radius = n
Diameter 43063412
Circumference 135287698.77771
Area 1.4564874777491E+15

Sphere

Radius = n
Volume 4.1814213551434E+22
Surface area 5.8259499109964E+15
Circumference 135287698.77771

Square

Length = n
Perimeter 86126824
Area 463614363270436
Diagonal 30450430.64623

Cube

Length = n
Surface area 2781686179622616
Volume 9.9824081673162E+21
Space diagonal 37294008.765636

Equilateral Triangle

Length = n
Perimeter 64595118
Area 2.0075090807577E+14
Altitude 18647004.382818

Triangular Pyramid

Length = n
Surface area 2.0075090807577E+14
Volume 1.1764380846135E+21
Height 10150143.548743