21909513 (number)

21909513 is an odd 8-digits composite number following 21909512 and preceding 21909514. In scientific notation, it is written as 2.1909513 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 14211504 positive integers (up to 21909513) that are relatively prime to 21909513.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1909513 × 10^7
Engineering notation 2.1909513 × 10^6

Prime Factorization of 21909513

Prime Factorization 3 × 37 × 197383

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21909513
Product of the distinct prime numbers

The prime factorization of 21909513 is 3 × 37 × 197383. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21909513)

Multiplication

n×y
n×2 43819026
n×3 65728539
n×4 87638052
n×5 109547565

Division

n÷y
n÷2 10954756.5
n÷3 7303171
n÷3 5477378.25
n÷5 4381902.6

Exponentiation

ny
n2 480026759897169
n3 1.0517152536315E+22
n4 2.3042569021737E+29
n5 5.0485146553515E+36

Nth Root

y√n
2√n 4680.7598742085
3√n 279.81924132653
4√n 68.416079061931
5√n 29.385057498909

Divisors of 21909513

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 -21909512
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 21909513 can be divided by 8 positive divisors. The sum of these divisors (counting 21909513) is 1, the average is 0.125.

Base conversion 21909513

Base System Value
2 Binary 1010011100101000000001001
3 Ternary 1112020010012110
4 Quaternary 1103211000021
5 Quinary 21102101023
6 Senary 2101332533
8 Octal 123450011
10 Decimal 21909513
12 Duodecimal 7407149
16 Hexadecimal 14e5009
20 Vigesimal 6gidfd
36 Base36 d1lhl

Cryptographic Hash Functions

md5 8ce057eb3eeb3aae0d82963f7cce924d
sha1 0a11a4199638098cc9406574ef951e2628c04888
sha256 eb8abf85a391482a034cf68b995680169e5e16e8160b768cbf58fd5401f19483
sha512 eca1b58a50f013cb8734227664419e4d41c7a4b66fea159cce509f2f80bd4dac13da3820124547ae35b00da10486e9f25c3b4128f7f75128185c1b912c07ff01
ripemd-160 a54cb00d90af9f17062f891c329cca8fc798a051

21909513 as geometric shapes

Circle

Radius = n
Diameter 43819026
Circumference 137661530.16906
Area 1.5080485424195E+15

Sphere

Radius = n
Volume 4.405414552636E+22
Surface area 6.0321941696778E+15
Circumference 137661530.16906

Square

Length = n
Perimeter 87638052
Area 480026759897169
Diagonal 30984730.42959

Cube

Length = n
Surface area 2880160559383014
Volume 1.0517152536315E+22
Space diagonal 37948389.685091

Equilateral Triangle

Length = n
Perimeter 65728539
Area 2.0785768428364E+14
Altitude 18974194.842545

Triangular Pyramid

Length = n
Surface area 2.0785768428364E+14
Volume 1.2394583128669E+21
Height 10328243.47653