21909736 (number)

21909736 is an even 8-digits composite number following 21909735 and preceding 21909737. In scientific notation, it is written as 2.1909736 × 10^7. The sum of its digits is 37. It has a total of 7 prime factors and 64 positive divisors. There are 9538560 positive integers (up to 21909736) that are relatively prime to 21909736.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand seven hundred thirty-six

Notation

Scientific notation 2.1909736 × 10^7
Engineering notation 2.1909736 × 10^6

Prime Factorization of 21909736

Prime Factorization 2 × 2 × 2 × 19 × 61 × 17 × 139

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5477434
Product of the distinct prime numbers

The prime factorization of 21909736 is 2 × 2 × 2 × 19 × 61 × 17 × 139. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21909736)

Multiplication

n×y
n×2 43819472
n×3 65729208
n×4 87638944
n×5 109548680

Division

n÷y
n÷2 10954868
n÷3 7303245.3333333
n÷3 5477434
n÷5 4381947.2

Exponentiation

ny
n2 480036531589696
n3 1.0517473677486E+22
n4 2.3043507166067E+29
n5 5.0487715852263E+36

Nth Root

y√n
2√n 4680.7836950665
3√n 279.82019067791
4√n 68.416253149865
5√n 29.385117316223

Divisors of 21909736

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909735
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909736 can be divided by 64 positive divisors. The sum of these divisors (counting 21909736) is 1, the average is 0.015625.

Base conversion 21909736

Base System Value
2 Binary 1010011100101000011101000
3 Ternary 1112020010111201
4 Quaternary 1103211003220
5 Quinary 21102102421
6 Senary 2101333544
8 Octal 123450350
10 Decimal 21909736
12 Duodecimal 74072b4
16 Hexadecimal 14e50e8
20 Vigesimal 6gie6g
36 Base36 d1lns

Cryptographic Hash Functions

md5 0780215979a9a8e05b4ae5649f30f8c6
sha1 789765dcaa45f5d224158d2c0ff3cb535008571f
sha256 a070e195219249cd3a9a5015c0fac08f73f393efb847cf7f672b2c8445103491
sha512 d19ee4d59faaa3ac5c054b81267c21af8c9e4b42bfa700ae57690299134e2e0cebf57112cd33606b5bc032584ba62106eee3fdb1483e881a59ad4e95f23752eb
ripemd-160 497e65abfab48b6a6d3d2ff298c576affcdbc9d8

21909736 as geometric shapes

Circle

Radius = n
Diameter 43819472
Circumference 137662931.31938
Area 1.5080792410969E+15

Sphere

Radius = n
Volume 4.4055490719352E+22
Surface area 6.0323169643877E+15
Circumference 137662931.31938

Square

Length = n
Perimeter 87638944
Area 480036531589696
Diagonal 30985045.799214

Cube

Length = n
Surface area 2880219189538176
Volume 1.0517473677486E+22
Space diagonal 37948775.932421

Equilateral Triangle

Length = n
Perimeter 65729208
Area 2.0786191555062E+14
Altitude 18974387.96621

Triangular Pyramid

Length = n
Surface area 2.0786191555062E+14
Volume 1.2394961597169E+21
Height 10328348.599738