21909539 (number)

21909539 is an odd 8-digits composite number following 21909538 and preceding 21909540. In scientific notation, it is written as 2.1909539 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 21280000 positive integers (up to 21909539) that are relatively prime to 21909539.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand five hundred thirty-nine

Notation

Scientific notation 2.1909539 × 10^7
Engineering notation 2.1909539 × 10^6

Prime Factorization of 21909539

Prime Factorization 41 × 251 × 2129

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21909539
Product of the distinct prime numbers

The prime factorization of 21909539 is 41 × 251 × 2129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21909539)

Multiplication

n×y
n×2 43819078
n×3 65728617
n×4 87638156
n×5 109547695

Division

n÷y
n÷2 10954769.5
n÷3 7303179.6666667
n÷3 5477384.75
n÷5 4381907.8

Exponentiation

ny
n2 480027899192521
n3 1.0517189978447E+22
n4 2.3042678400319E+29
n5 5.0485446107624E+36

Nth Root

y√n
2√n 4680.7626515345
3√n 279.81935201357
4√n 68.416099359248
5√n 29.38506447315

Divisors of 21909539

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 -21909538
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 21909539 can be divided by 8 positive divisors. The sum of these divisors (counting 21909539) is 1, the average is 0.125.

Base conversion 21909539

Base System Value
2 Binary 1010011100101000000100011
3 Ternary 1112020010020102
4 Quaternary 1103211000203
5 Quinary 21102101124
6 Senary 2101333015
8 Octal 123450043
10 Decimal 21909539
12 Duodecimal 740716b
16 Hexadecimal 14e5023
20 Vigesimal 6gidgj
36 Base36 d1lib

Cryptographic Hash Functions

md5 c04c99976a1254689685527a0122b231
sha1 6d4090c140b6dd0bf2c2d77e3e5b6e6f6cd903cf
sha256 a9a9447925939e15c9f4537b3a88da9610448a855f870306dc58bc86714b71e4
sha512 920c9247c1b00f87d86c2107cf37eee8d2a8357975931671192de6532583e1378b72a2566284a38f7f078cac1497618887eed6bcf538a99a3d30c4c8088744dc
ripemd-160 76ec4244232c5b83468e1c0667f111bb95d34b69

21909539 as geometric shapes

Circle

Radius = n
Diameter 43819078
Circumference 137661693.53188
Area 1.5080521216214E+15

Sphere

Radius = n
Volume 4.4054302363595E+22
Surface area 6.0322084864855E+15
Circumference 137661693.53188

Square

Length = n
Perimeter 87638156
Area 480027899192521
Diagonal 30984767.199142

Cube

Length = n
Surface area 2880167395155126
Volume 1.0517189978447E+22
Space diagonal 37948434.718412

Equilateral Triangle

Length = n
Perimeter 65728617
Area 2.07858177613E+14
Altitude 18974217.359206

Triangular Pyramid

Length = n
Surface area 2.07858177613E+14
Volume 1.2394627254645E+21
Height 10328255.733047