21532905 (number)

21532905 is an odd 8-digits composite number following 21532904 and preceding 21532906. In scientific notation, it is written as 2.1532905 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 11484144 positive integers (up to 21532905) that are relatively prime to 21532905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1532905 × 10^7
Engineering notation 2.1532905 × 10^6

Prime Factorization of 21532905

Prime Factorization 5 × 27 × 159503

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21532905
Product of the distinct prime numbers

The prime factorization of 21532905 is 5 × 27 × 159503. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21532905)

Multiplication

n×y
n×2 43065810
n×3 64598715
n×4 86131620
n×5 107664525

Division

n÷y
n÷2 10766452.5
n÷3 7177635
n÷3 5383226.25
n÷5 4306581

Exponentiation

ny
n2 463665997739025
n3 9.9840758810446E+21
n4 2.1498615745933E+29
n5 4.6292765048867E+36

Nth Root

y√n
2√n 4640.3561285746
3√n 278.20667222276
4√n 68.120159487296
5√n 29.283334261153

Divisors of 21532905

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 -21532904
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 21532905 can be divided by 8 positive divisors. The sum of these divisors (counting 21532905) is 1, the average is 0.125.

Base conversion 21532905

Base System Value
2 Binary 1010010001001000011101001
3 Ternary 1111111222121000
4 Quaternary 1102021003221
5 Quinary 21003023110
6 Senary 2045305213
8 Octal 122110351
10 Decimal 21532905
12 Duodecimal 7265209
16 Hexadecimal 14890e9
20 Vigesimal 6ebc55
36 Base36 ctiw9

Cryptographic Hash Functions

md5 c16fcdc3217930667415b389025b765d
sha1 60f1d1e31203d676ee76839ce519ef1c4b4a9a46
sha256 6fc35e38546c66f7eda361898b83ae3a46a3308541ec64af47df4a972700f11f
sha512 cc55243aff1a4839e71c34d3d3270f2a699db7e01c1f46c403cb58fc19f5ed9190a715ea2b5622f95bdc71cbb8d3d889a51b511d8b21cfdf77f9a04d89711c23
ripemd-160 4b86356b2a688a3203584e6abf53e379bd0639cc

21532905 as geometric shapes

Circle

Radius = n
Diameter 43065810
Circumference 135295232.31689
Area 1.4566496922163E+15

Sphere

Radius = n
Volume 4.1821199254364E+22
Surface area 5.8265987688652E+15
Circumference 135295232.31689

Square

Length = n
Perimeter 86131620
Area 463665997739025
Diagonal 30452126.288291

Cube

Length = n
Surface area 2781995986434150
Volume 9.9840758810446E+21
Space diagonal 37296085.494554

Equilateral Triangle

Length = n
Perimeter 64598715
Area 2.0077326645653E+14
Altitude 18648042.747277

Triangular Pyramid

Length = n
Surface area 2.0077326645653E+14
Volume 1.1766346265613E+21
Height 10150708.762764