21354909 (number)

21354909 is an odd 8-digits composite number following 21354908 and preceding 21354910. In scientific notation, it is written as 2.1354909 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 14041440 positive integers (up to 21354909) that are relatively prime to 21354909.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-four thousand nine hundred nine

Notation

Scientific notation 2.1354909 × 10^7
Engineering notation 2.1354909 × 10^6

Prime Factorization of 21354909

Prime Factorization 3 × 73 × 97511

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21354909
Product of the distinct prime numbers

The prime factorization of 21354909 is 3 × 73 × 97511. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21354909)

Multiplication

n×y
n×2 42709818
n×3 64064727
n×4 85419636
n×5 106774545

Division

n÷y
n÷2 10677454.5
n÷3 7118303
n÷3 5338727.25
n÷5 4270981.8

Exponentiation

ny
n2 456032138398281
n3 9.7385248165707E+21
n4 2.0796531125211E+29
n5 4.4410802969455E+36

Nth Root

y√n
2√n 4621.1371977036
3√n 277.43797656116
4√n 67.978946723994
5√n 29.234760816658

Divisors of 21354909

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 -21354908
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 21354909 can be divided by 8 positive divisors. The sum of these divisors (counting 21354909) is 1, the average is 0.125.

Base conversion 21354909

Base System Value
2 Binary 1010001011101100110011101
3 Ternary 1111011221102120
4 Quaternary 1101131212131
5 Quinary 20431324114
6 Senary 2041413153
8 Octal 121354635
10 Decimal 21354909
12 Duodecimal 719a1b9
16 Hexadecimal 145d99d
20 Vigesimal 6d9759
36 Base36 cppjx

Cryptographic Hash Functions

md5 2317c9938ac2354a7dd0ae9aa818e7cb
sha1 a22bf512dc95111c4b95c843d1d41289fbccf1df
sha256 61160755fc0444e1edd68c395d80a59118a34d24d3033c93a09db2cb60406f4f
sha512 d6da1f785c3c819d18875a267e61646dfb94023229bbc31b18157506f15fb0ec7c326fa5188494254582977a666094be7cd6b0dd8aa4f0cb33bca37399bd9dec
ripemd-160 c19ab12758579bb9de4a68721294075d245e67c6

21354909 as geometric shapes

Circle

Radius = n
Diameter 42709818
Circumference 134176850.46496
Area 1.4326672157929E+15

Sphere

Radius = n
Volume 4.0792637360721E+22
Surface area 5.7306688631715E+15
Circumference 134176850.46496

Square

Length = n
Perimeter 85419636
Area 456032138398281
Diagonal 30200401.931043

Cube

Length = n
Surface area 2736192830389686
Volume 9.7385248165707E+21
Space diagonal 36987787.37901

Equilateral Triangle

Length = n
Perimeter 64064727
Area 1.9746770839753E+14
Altitude 18493893.689505

Triangular Pyramid

Length = n
Surface area 1.9746770839753E+14
Volume 1.1476961560918E+21
Height 10066800.643681