21095909 (number)

21095909 is an odd 8-digits composite number following 21095908 and preceding 21095910. In scientific notation, it is written as 2.1095909 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 19985580 positive integers (up to 21095909) that are relatively prime to 21095909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1095909 × 10^7
Engineering notation 2.1095909 × 10^6

Prime Factorization of 21095909

Prime Factorization 19 × 1110311

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21095909
Product of the distinct prime numbers

The prime factorization of 21095909 is 19 × 1110311. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21095909)

Multiplication

n×y
n×2 42191818
n×3 63287727
n×4 84383636
n×5 105479545

Division

n÷y
n÷2 10547954.5
n÷3 7031969.6666667
n÷3 5273977.25
n÷5 4219181.8

Exponentiation

ny
n2 445037376536281
n3 9.3884679970081E+21
n4 1.980582665143E+29
n5 4.1782191670833E+36

Nth Root

y√n
2√n 4593.0283038536
3√n 276.31178883081
4√n 67.771884316828
5√n 29.163500329717

Divisors of 21095909

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 -21095908
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 21095909 can be divided by 4 positive divisors. The sum of these divisors (counting 21095909) is 1, the average is 0.25.

Base conversion 21095909

Base System Value
2 Binary 1010000011110010111100101
3 Ternary 1110200210010222
4 Quaternary 1100132113211
5 Quinary 20400032114
6 Senary 2032054125
8 Octal 120362745
10 Decimal 21095909
12 Duodecimal 7094345
16 Hexadecimal 141e5e5
20 Vigesimal 6bgjf9
36 Base36 ck5ph

Cryptographic Hash Functions

md5 dc7a7058d6927990eeac0625920f9f06
sha1 9a783cfb52288c2620851543ae1b6678a69c26bb
sha256 0b4b15dda2da850a740e11484e8fdd5a8e50b18775fc7d062506b14ea102a8a6
sha512 d574fa05bf838206bd43a2dd6b1bb8ea05faa6e7be89175460823e67ca314e06d281b738fc2f4f4f8145f53db41ebefc32dfdf86b5b4cf9bd0c7e0e59fd7993a
ripemd-160 9b79e119f933eb87a24580ff535c7ea4f8ebfa47

21095909 as geometric shapes

Circle

Radius = n
Diameter 42191818
Circumference 132549505.4704
Area 1.3981261526993E+15

Sphere

Radius = n
Volume 3.9326322783818E+22
Surface area 5.592504610797E+15
Circumference 132549505.4704

Square

Length = n
Perimeter 84383636
Area 445037376536281
Diagonal 29834120.618389

Cube

Length = n
Surface area 2670224259217686
Volume 9.3884679970081E+21
Space diagonal 36539186.21985

Equilateral Triangle

Length = n
Perimeter 63287727
Area 1.92706836857E+14
Altitude 18269593.109925

Triangular Pyramid

Length = n
Surface area 1.92706836857E+14
Volume 1.1064415642729E+21
Height 9944706.8727962