21909520 (number)

21909520 is an even 8-digits composite number following 21909519 and preceding 21909521. In scientific notation, it is written as 2.1909520 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 40 positive divisors. There are 8575872 positive integers (up to 21909520) that are relatively prime to 21909520.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1909520 × 10^7
Engineering notation 2.1909520 × 10^6

Prime Factorization of 21909520

Prime Factorization 2 × 2 × 2 × 2 × 5 × 47 × 5827

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2738690
Product of the distinct prime numbers

The prime factorization of 21909520 is 2 × 2 × 2 × 2 × 5 × 47 × 5827. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 6, 38, 84, 650, 140, 8362, 4492, 97626, 38714, 490444, 514976, 6911807, 1466528, 56326628, 29558279, 18877528, 389125661, 4360010125, 8830233145

Basic calculations (n = 21909520)

Multiplication

n×y
n×2 43819040
n×3 65728560
n×4 87638080
n×5 109547600

Division

n÷y
n÷2 10954760
n÷3 7303173.3333333
n÷3 5477380
n÷5 4381904

Exponentiation

ny
n2 480027066630400
n3 1.051716261688E+22
n4 2.3042598469779E+29
n5 5.0485227202558E+36

Nth Root

y√n
2√n 4680.7606219502
3√n 279.81927112689
4√n 68.416084526595
5√n 29.38505937659

Divisors of 21909520

1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5827, 11654, 23308, 29135, 46616, 58270, 93232, 116540, 233080, 273869, 466160, 547738, 1095476, 1369345, 2190952, 2738690, 4381904, 5477380, 10954760, 21909520

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909520 can be divided by 40 positive divisors. The sum of these divisors (counting 21909520) is 1, the average is 0.025.

Base conversion 21909520

Base System Value
2 Binary 1010011100101000000010000
3 Ternary 1112020010012201
4 Quaternary 1103211000100
5 Quinary 21102101040
6 Senary 2101332544
8 Octal 123450020
10 Decimal 21909520
12 Duodecimal 7407154
16 Hexadecimal 14e5010
20 Vigesimal 6gidg0
36 Base36 d1lhs

Cryptographic Hash Functions

md5 6c068d9ad5b0ae088cc00ec223c72c32
sha1 1647863adbd48156ddd22b40a88424b786bb2a61
sha256 04e18dfb4b3d2c8bf732b5919a3f5e9ad7a41ad47a6e2221335093424f42fb9e
sha512 5778bdfb413eeebd9d815c418f67fb5985c79be88b6033edab541e965c34a02aee6de4c37c0ef3fe5a62ea94ce795e59ad8a6df56544f4dff7f15d03229e97d5
ripemd-160 a99c2b2fef086a09d6957e1087dabd235def04da

21909520 as geometric shapes

Circle

Radius = n
Diameter 43819040
Circumference 137661574.15136
Area 1.5080495060503E+15

Sphere

Radius = n
Volume 4.4054187751733E+22
Surface area 6.0321980242013E+15
Circumference 137661574.15136

Square

Length = n
Perimeter 87638080
Area 480027066630400
Diagonal 30984740.329085

Cube

Length = n
Surface area 2880162399782400
Volume 1.051716261688E+22
Space diagonal 37948401.809446

Equilateral Triangle

Length = n
Perimeter 65728560
Area 2.0785781710303E+14
Altitude 18974200.904723

Triangular Pyramid

Length = n
Surface area 2.0785781710303E+14
Volume 1.2394595008729E+21
Height 10328246.776362