21381567 (number)

21381567 is an odd 8-digits composite number following 21381566 and preceding 21381568. In scientific notation, it is written as 2.1381567 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 14243520 positive integers (up to 21381567) that are relatively prime to 21381567.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eighty-one thousand five hundred sixty-seven

Notation

Scientific notation 2.1381567 × 10^7
Engineering notation 2.1381567 × 10^6

Prime Factorization of 21381567

Prime Factorization 3 × 2221 × 3209

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21381567
Product of the distinct prime numbers

The prime factorization of 21381567 is 3 × 2221 × 3209. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21381567)

Multiplication

n×y
n×2 42763134
n×3 64144701
n×4 85526268
n×5 106907835

Division

n÷y
n÷2 10690783.5
n÷3 7127189
n÷3 5345391.75
n÷5 4276313.4

Exponentiation

ny
n2 457171407375489
n3 9.7750410772833E+21
n4 2.0900569572169E+29
n5 4.4688692864548E+36

Nth Root

y√n
2√n 4624.0206530681
3√n 277.55337338761
4√n 68.000151860625
5√n 29.242056107826

Divisors of 21381567

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 -21381566
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 21381567 can be divided by 8 positive divisors. The sum of these divisors (counting 21381567) is 1, the average is 0.125.

Base conversion 21381567

Base System Value
2 Binary 1010001100100000110111111
3 Ternary 1111020021222220
4 Quaternary 1101210012333
5 Quinary 20433202232
6 Senary 2042140423
8 Octal 121440677
10 Decimal 21381567
12 Duodecimal 71b1713
16 Hexadecimal 14641bf
20 Vigesimal 6dcdi7
36 Base36 cqa4f

Cryptographic Hash Functions

md5 7a0c6c670bad1491ae9a7c03dece990a
sha1 42fb9d01c49b74b21d47dd1e4c18f7b6fd3bf739
sha256 08c3c994050485bc4bc6d4dacf43437e5b88ef9499965ec23782102038fb0f0e
sha512 3c94d60d9fdd4fa4131c207e42c4dbc17a2a13873c8964f50041d9787b69d62e4239ccb8ada34c2529c3f612c36d71f1dd228583c78fe06322ba02960cb88de4
ripemd-160 64307b1492c07bb874fba100490fe52bba62d67b

21381567 as geometric shapes

Circle

Radius = n
Diameter 42763134
Circumference 134344347.61888
Area 1.4362463348421E+15

Sphere

Radius = n
Volume 4.0945596315909E+22
Surface area 5.7449853393686E+15
Circumference 134344347.61888

Square

Length = n
Perimeter 85526268
Area 457171407375489
Diagonal 30238102.036189

Cube

Length = n
Surface area 2743028444252934
Volume 9.7750410772833E+21
Space diagonal 37033960.389438

Equilateral Triangle

Length = n
Perimeter 64144701
Area 1.9796102633553E+14
Altitude 18516980.194719

Triangular Pyramid

Length = n
Surface area 1.9796102633553E+14
Volume 1.1519996386873E+21
Height 10079367.345396