21909727 (number)

21909727 is an odd 8-digits composite number following 21909726 and preceding 21909728. In scientific notation, it is written as 2.1909727 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 18779760 positive integers (up to 21909727) that are relatively prime to 21909727.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1909727 × 10^7
Engineering notation 2.1909727 × 10^6

Prime Factorization of 21909727

Prime Factorization 7 × 3129961

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21909727
Product of the distinct prime numbers

The prime factorization of 21909727 is 7 × 3129961. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21909727)

Multiplication

n×y
n×2 43819454
n×3 65729181
n×4 87638908
n×5 109548635

Division

n÷y
n÷2 10954863.5
n÷3 7303242.3333333
n÷3 5477431.75
n÷5 4381945.4

Exponentiation

ny
n2 480036137214529
n3 1.0517460716505E+22
n4 2.3043469303185E+29
n5 5.0487612156566E+36

Nth Root

y√n
2√n 4680.7827336889
3√n 279.8201523634
4√n 68.416246123921
5√n 29.385114902081

Divisors of 21909727

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 -21909726
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 21909727 can be divided by 4 positive divisors. The sum of these divisors (counting 21909727) is 1, the average is 0.25.

Base conversion 21909727

Base System Value
2 Binary 1010011100101000011011111
3 Ternary 1112020010111101
4 Quaternary 1103211003133
5 Quinary 21102102402
6 Senary 2101333531
8 Octal 123450337
10 Decimal 21909727
12 Duodecimal 74072a7
16 Hexadecimal 14e50df
20 Vigesimal 6gie67
36 Base36 d1lnj

Cryptographic Hash Functions

md5 e06cc4205b3500ac43c1e409163979e6
sha1 e5fbdbf0d33d5b55c3b67296bd939165494782ed
sha256 a2c1fefd1fb4adcafa2f9965e78193e9adade1398c4d4f3ee9011bfabc2729c3
sha512 5e6518ea23f63c83aeba18b739e128cc076e05554355bcad5fe0abd3073a527d6b1900580d0ae435e1ab934b01c8453829ff32da710dad86cb1acd9eb982c357
ripemd-160 ca806b5650045e0d7840669e3da0993518e90c82

21909727 as geometric shapes

Circle

Radius = n
Diameter 43819454
Circumference 137662874.77072
Area 1.5080780021308E+15

Sphere

Radius = n
Volume 4.4055436428521E+22
Surface area 6.0323120085231E+15
Circumference 137662874.77072

Square

Length = n
Perimeter 87638908
Area 480036137214529
Diagonal 30985033.071292

Cube

Length = n
Surface area 2880216823287174
Volume 1.0517460716505E+22
Space diagonal 37948760.343964

Equilateral Triangle

Length = n
Perimeter 65729181
Area 2.0786174478117E+14
Altitude 18974380.171982

Triangular Pyramid

Length = n
Surface area 2.0786174478117E+14
Volume 1.2394946322506E+21
Height 10328344.357097