21531528 (number)

21531528 is an even 8-digits composite number following 21531527 and preceding 21531529. In scientific notation, it is written as 2.1531528 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors. There are 7084800 positive integers (up to 21531528) that are relatively prime to 21531528.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1531528 × 10^7
Engineering notation 2.1531528 × 10^6

Prime Factorization of 21531528

Prime Factorization 2 × 2 × 2 × 27 × 83 × 1201

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5382882
Product of the distinct prime numbers

The prime factorization of 21531528 is 2 × 2 × 2 × 27 × 83 × 1201. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21531528)

Multiplication

n×y
n×2 43063056
n×3 64594584
n×4 86126112
n×5 107657640

Division

n÷y
n÷2 10765764
n÷3 7177176
n÷3 5382882
n÷5 4306305.6

Exponentiation

ny
n2 463606698014784
n3 9.9821605992929E+21
n4 2.1493117044417E+29
n5 4.6277965144914E+36

Nth Root

y√n
2√n 4640.2077539696
3√n 278.20074178352
4√n 68.119070413282
5√n 29.282959725689

Divisors of 21531528

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21531527
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21531528 can be divided by 32 positive divisors. The sum of these divisors (counting 21531528) is 1, the average is 0.03125.

Base conversion 21531528

Base System Value
2 Binary 1010010001000101110001000
3 Ternary 1111111220201000
4 Quaternary 1102020232020
5 Quinary 21003002103
6 Senary 2045255000
8 Octal 122105610
10 Decimal 21531528
12 Duodecimal 7264460
16 Hexadecimal 1488b88
20 Vigesimal 6eb8g8
36 Base36 cthu0

Cryptographic Hash Functions

md5 a87276fe045b9b9d0d451c01317192b6
sha1 6080b8045f2d68c6d607d1643e9d726d3be42dda
sha256 435e26dbc94fa89dc28cd8156039d1543776db9efdf0857f48b27ea65781e05c
sha512 0f01038a56893dc6c31b68ed2c95ceebb0b4e0104581df0b4be9d122db4413a381da9bc3d658fd76941e934702217f634146eb87564b5df60c0c1a5e5b7dfd97
ripemd-160 1b3e2bd413c63a7f3f0d00c4674a1615b3ecfd23

21531528 as geometric shapes

Circle

Radius = n
Diameter 43063056
Circumference 135286580.37073
Area 1.4564633966383E+15

Sphere

Radius = n
Volume 4.1813176540923E+22
Surface area 5.8258535865531E+15
Circumference 135286580.37073

Square

Length = n
Perimeter 86126112
Area 463606698014784
Diagonal 30450178.916216

Cube

Length = n
Surface area 2781640188088704
Volume 9.9821605992929E+21
Space diagonal 37293700.460592

Equilateral Triangle

Length = n
Perimeter 64594584
Area 2.0074758892271E+14
Altitude 18646850.230296

Triangular Pyramid

Length = n
Surface area 2.0074758892271E+14
Volume 1.1764089084422E+21
Height 10150059.638739