21531005 (number)

21531005 is an odd 8-digits composite number following 21531004 and preceding 21531006. In scientific notation, it is written as 2.1531005 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 17185600 positive integers (up to 21531005) that are relatively prime to 21531005.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1531005 × 10^7
Engineering notation 2.1531005 × 10^6

Prime Factorization of 21531005

Prime Factorization 5 × 461 × 9341

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21531005
Product of the distinct prime numbers

The prime factorization of 21531005 is 5 × 461 × 9341. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21531005)

Multiplication

n×y
n×2 43062010
n×3 64593015
n×4 86124020
n×5 107655025

Division

n÷y
n÷2 10765502.5
n÷3 7177001.6666667
n÷3 5382751.25
n÷5 4306201

Exponentiation

ny
n2 463584176310025
n3 9.981433218052E+21
n4 2.1491028852504E+29
n5 4.6272344967842E+36

Nth Root

y√n
2√n 4640.1513983921
3√n 278.19848927012
4√n 68.118656757104
5√n 29.28281746791

Divisors of 21531005

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 -21531004
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 21531005 can be divided by 8 positive divisors. The sum of these divisors (counting 21531005) is 1, the average is 0.125.

Base conversion 21531005

Base System Value
2 Binary 1010010001000100101111101
3 Ternary 1111111212222122
4 Quaternary 1102020211331
5 Quinary 21002443010
6 Senary 2045252325
8 Octal 122104575
10 Decimal 21531005
12 Duodecimal 72640a5
16 Hexadecimal 148897d
20 Vigesimal 6eb7a5
36 Base36 cthfh

Cryptographic Hash Functions

md5 ba720f8d72221b748c304a5cdf6188c1
sha1 df7fc07657ebab92bb6f010f707adb4b5040c4cf
sha256 cfdedc08c00dd9d5dcfbd9e0311eae054b412c8a729e7edbbba7d410760630a6
sha512 ebe51769ee7e4eda494d382a354f9a7f7267b4524339ab636508f718cca5f02924c153bf3721a94d3c51930ac0b251713c75446f279683414b274dd299a845c2
ripemd-160 c062a202fe3246026a4e5a3469567c2feb3ebee4

21531005 as geometric shapes

Circle

Radius = n
Diameter 43062010
Circumference 135283294.26481
Area 1.456392642616E+15

Sphere

Radius = n
Volume 4.1810129693506E+22
Surface area 5.8255705704642E+15
Circumference 135283294.26481

Square

Length = n
Perimeter 86124020
Area 463584176310025
Diagonal 30449439.282523

Cube

Length = n
Surface area 2781505057860150
Volume 9.981433218052E+21
Space diagonal 37292794.59802

Equilateral Triangle

Length = n
Perimeter 64593015
Area 2.0073783673848E+14
Altitude 18646397.29901

Triangular Pyramid

Length = n
Surface area 2.0073783673848E+14
Volume 1.1763231857409E+21
Height 10149813.094174