21991567 (number)

21991567 is an odd 8-digits composite number following 21991566 and preceding 21991568. In scientific notation, it is written as 2.1991567 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 20299896 positive integers (up to 21991567) that are relatively prime to 21991567.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-one thousand five hundred sixty-seven

Notation

Scientific notation 2.1991567 × 10^7
Engineering notation 2.1991567 × 10^6

Prime Factorization of 21991567

Prime Factorization 13 × 1691659

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21991567
Product of the distinct prime numbers

The prime factorization of 21991567 is 13 × 1691659. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21991567)

Multiplication

n×y
n×2 43983134
n×3 65974701
n×4 87966268
n×5 109957835

Division

n÷y
n÷2 10995783.5
n÷3 7330522.3333333
n÷3 5497891.75
n÷5 4398313.4

Exponentiation

ny
n2 483629019115489
n3 1.0635759977023E+22
n4 2.3389702813061E+29
n5 5.1437621652352E+36

Nth Root

y√n
2√n 4689.5167128394
3√n 280.16812606927
4√n 68.480046092562
5√n 29.407034779343

Divisors of 21991567

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21991566
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21991567 can be divided by 4 positive divisors. The sum of these divisors (counting 21991567) is 1, the average is 0.25.

Base conversion 21991567

Base System Value
2 Binary 1010011111001000010001111
3 Ternary 1112101021202111
4 Quaternary 1103321002033
5 Quinary 21112212232
6 Senary 2103204451
8 Octal 123710217
10 Decimal 21991567
12 Duodecimal 7446727
16 Hexadecimal 14f908f
20 Vigesimal 6h8ii7
36 Base36 d3csv

Cryptographic Hash Functions

md5 261a87815d34736e6697b05058c8ac6c
sha1 d44c3594b1b55248f3a478f2ab6ba33adaa986e7
sha256 9ea218afc74cc531de8bd7706635925a8dc4a168a9b98d55422a8c5e144de200
sha512 9fd02ab488382f0163d6d55ce595b64d9f98a5c3e3a8503d07ad141debe9c83caf9c4e298c3afda069be250fc503e93ee862eb11845f0859df9d5aa919db5360
ripemd-160 e88bbd278f11675afdf91f7bada2200579d58603

21991567 as geometric shapes

Circle

Radius = n
Diameter 43983134
Circumference 138177090.65626
Area 1.5193653735161E+15

Sphere

Radius = n
Volume 4.4550967212211E+22
Surface area 6.0774614940642E+15
Circumference 138177090.65626

Square

Length = n
Perimeter 87966268
Area 483629019115489
Diagonal 31100772.309237

Cube

Length = n
Surface area 2901774114692934
Volume 1.0635759977023E+22
Space diagonal 38090511.382055

Equilateral Triangle

Length = n
Perimeter 65974701
Area 2.0941750828068E+14
Altitude 19045255.691028

Triangular Pyramid

Length = n
Surface area 2.0941750828068E+14
Volume 1.2534363338042E+21
Height 10366924.103079