21809962 (number)

21809962 is an even 8-digits composite number following 21809961 and preceding 21809963. In scientific notation, it is written as 2.1809962 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 10904980 positive integers (up to 21809962) that are relatively prime to 21809962.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred nine thousand nine hundred sixty-two

Notation

Scientific notation 2.1809962 × 10^7
Engineering notation 2.1809962 × 10^6

Prime Factorization of 21809962

Prime Factorization 2 × 10904981

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21809962
Product of the distinct prime numbers

The prime factorization of 21809962 is 2 × 10904981. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21809962)

Multiplication

n×y
n×2 43619924
n×3 65429886
n×4 87239848
n×5 109049810

Division

n÷y
n÷2 10904981
n÷3 7269987.3333333
n÷3 5452490.5
n÷5 4361992.4

Exponentiation

ny
n2 475674442441444
n3 1.0374441514019E+22
n4 2.2626617519198E+29
n5 4.9348566828224E+36

Nth Root

y√n
2√n 4670.1137031126
3√n 279.39478974035
4√n 68.338230172522
5√n 29.358305255391

Divisors of 21809962

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 -21809961
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 21809962 can be divided by 4 positive divisors. The sum of these divisors (counting 21809962) is 1, the average is 0.25.

Base conversion 21809962

Base System Value
2 Binary 1010011001100101100101010
3 Ternary 1112001001122101
4 Quaternary 1103030230222
5 Quinary 21040404322
6 Senary 2055244014
8 Octal 123145452
10 Decimal 21809962
12 Duodecimal 737960a
16 Hexadecimal 14ccb2a
20 Vigesimal 6g64i2
36 Base36 czgoa

Cryptographic Hash Functions

md5 e9b51ce91fb1f82054a99431dc8636b1
sha1 af4de092fe82e1c0d01a51fb597eb1cea6acda72
sha256 ae64195781d1ef03127f7f0a0c83e6628b26e46d0eae1be4307425aae7ef942a
sha512 16bb2f937b90416f953272d91fcc94bb5a547d84044cdb0a8a5ead07a1916af8e585d73088b370d8b61996d935d9c4a7325f26b7eb0775ac0bc3811f74b6cea0
ripemd-160 df55e2db135ac1370ab3fe67737f86cdd91631ea

21809962 as geometric shapes

Circle

Radius = n
Diameter 43619924
Circumference 137036032.78855
Area 1.4943753338745E+15

Sphere

Radius = n
Volume 4.3456358994052E+22
Surface area 5.9775013354978E+15
Circumference 137036032.78855

Square

Length = n
Perimeter 87239848
Area 475674442441444
Diagonal 30843944.055242

Cube

Length = n
Surface area 2854046654648664
Volume 1.0374441514019E+22
Space diagonal 37775962.295147

Equilateral Triangle

Length = n
Perimeter 65429886
Area 2.0597307554264E+14
Altitude 18887981.147573

Triangular Pyramid

Length = n
Surface area 2.0597307554264E+14
Volume 1.2226396575977E+21
Height 10281314.685081