21457534 (number)

21457534 is an even 8-digits composite number following 21457533 and preceding 21457535. In scientific notation, it is written as 2.1457534 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 9196080 positive integers (up to 21457534) that are relatively prime to 21457534.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-seven thousand five hundred thirty-four

Notation

Scientific notation 2.1457534 × 10^7
Engineering notation 2.1457534 × 10^6

Prime Factorization of 21457534

Prime Factorization 2 × 7 × 1532681

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21457534
Product of the distinct prime numbers

The prime factorization of 21457534 is 2 × 7 × 1532681. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21457534)

Multiplication

n×y
n×2 42915068
n×3 64372602
n×4 85830136
n×5 107287670

Division

n÷y
n÷2 10728767
n÷3 7152511.3333333
n÷3 5364383.5
n÷5 4291506.8

Exponentiation

ny
n2 460425765361156
n3 9.879601514713E+21
n4 2.1199188540841E+29
n5 4.548823088875E+36

Nth Root

y√n
2√n 4632.2277577857
3√n 277.88169318605
4√n 68.06047133091
5√n 29.26280557827

Divisors of 21457534

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 -21457533
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 21457534 can be divided by 8 positive divisors. The sum of these divisors (counting 21457534) is 1, the average is 0.125.

Base conversion 21457534

Base System Value
2 Binary 1010001110110101001111110
3 Ternary 1111101011012111
4 Quaternary 1101312221332
5 Quinary 20443120114
6 Senary 2043524234
8 Octal 121665176
10 Decimal 21457534
12 Duodecimal 722967a
16 Hexadecimal 1476a7e
20 Vigesimal 6e23ge
36 Base36 crwqm

Cryptographic Hash Functions

md5 e3fcc17cb13b31351b771a6b7fe6c06c
sha1 c7c916aecd44f7b4e3430a3b99e9b8101d33663f
sha256 e3ede75a20edf8f5f6d1f5a3dba18d734bda77a4de8abf621de1836377af7379
sha512 20cf854377236765f89830515ddf0d9ba3a8342f89e3f7e45846299d82a0bceac82d3134f1217d70a61978024d2bce49d3550d45e1f08a3f5b2715889b2ebcbc
ripemd-160 b3c079261e50ca53a4679406ff084562338171b1

21457534 as geometric shapes

Circle

Radius = n
Diameter 42915068
Circumference 134821662.35711
Area 1.4464702019821E+15

Sphere

Radius = n
Volume 4.1383578052023E+22
Surface area 5.7858808079283E+15
Circumference 134821662.35711

Square

Length = n
Perimeter 85830136
Area 460425765361156
Diagonal 30345535.597882

Cube

Length = n
Surface area 2762554592166936
Volume 9.879601514713E+21
Space diagonal 37165539.093137

Equilateral Triangle

Length = n
Perimeter 64372602
Area 1.9937020467983E+14
Altitude 18582769.546568

Triangular Pyramid

Length = n
Surface area 1.9937020467983E+14
Volume 1.1643222044124E+21
Height 10115178.532627