21909511 (number)

21909511 is an odd 8-digits composite number following 21909510 and preceding 21909512. In scientific notation, it is written as 2.1909511 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 19841952 positive integers (up to 21909511) that are relatively prime to 21909511.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1909511 × 10^7
Engineering notation 2.1909511 × 10^6

Prime Factorization of 21909511

Prime Factorization 13 × 53 × 31799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21909511
Product of the distinct prime numbers

The prime factorization of 21909511 is 13 × 53 × 31799. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 9, 2, 20, 960, 467, 4349, 5379, 10798, 78750, 104619, 89915, 5767246, 7094820, 59208478, 57079571, 755065061, 462924334, 987388343, 6351593738

Basic calculations (n = 21909511)

Multiplication

n×y
n×2 43819022
n×3 65728533
n×4 87638044
n×5 109547555

Division

n÷y
n÷2 10954755.5
n÷3 7303170.3333333
n÷3 5477377.75
n÷5 4381902.2

Exponentiation

ny
n2 480026672259121
n3 1.0517149656155E+22
n4 2.3042560608017E+29
n5 5.0485123510951E+36

Nth Root

y√n
2√n 4680.7596605679
3√n 279.81923281214
4√n 68.416077500599
5√n 29.385056962428

Divisors of 21909511

1, 13, 53, 689, 31799, 413387, 1685347, 21909511

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 -21909510
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 21909511 can be divided by 8 positive divisors. The sum of these divisors (counting 21909511) is 1, the average is 0.125.

Base conversion 21909511

Base System Value
2 Binary 1010011100101000000000111
3 Ternary 1112020010012101
4 Quaternary 1103211000013
5 Quinary 21102101021
6 Senary 2101332531
8 Octal 123450007
10 Decimal 21909511
12 Duodecimal 7407147
16 Hexadecimal 14e5007
20 Vigesimal 6gidfb
36 Base36 d1lhj

Cryptographic Hash Functions

md5 c29ae97d54d92ea31de7ad0be9b29a1e
sha1 7e761d452e7c27982f8041aecf7181260edf2019
sha256 59826d2dd1b5a82e5d75a16c16f620dcce51ffbc8beec2a694df2eb391b29447
sha512 325d938d0f4b907b564cf1e25065078d9ba7d9544ffc95d1e8b707912edfedc9c720012edfbaae1726ec37a626699c67ec7e323bb4649b4c6fae8ce5c89c0552
ripemd-160 2115c1a2204af8d37ccbb11b0466f1f0f3bb558f

21909511 as geometric shapes

Circle

Radius = n
Diameter 43819022
Circumference 137661517.60269
Area 1.5080482670964E+15

Sphere

Radius = n
Volume 4.4054133461973E+22
Surface area 6.0321930683856E+15
Circumference 137661517.60269

Square

Length = n
Perimeter 87638044
Area 480026672259121
Diagonal 30984727.601163

Cube

Length = n
Surface area 2880160033554726
Volume 1.0517149656155E+22
Space diagonal 37948386.220989

Equilateral Triangle

Length = n
Perimeter 65728533
Area 2.0785764633525E+14
Altitude 18974193.110495

Triangular Pyramid

Length = n
Surface area 2.0785764633525E+14
Volume 1.2394579734368E+21
Height 10328242.533721