21909668 (number)

21909668 is an even 8-digits composite number following 21909667 and preceding 21909669. In scientific notation, it is written as 2.1909668 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors. There are 9367680 positive integers (up to 21909668) that are relatively prime to 21909668.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand six hundred sixty-eight

Notation

Scientific notation 2.1909668 × 10^7
Engineering notation 2.1909668 × 10^6

Prime Factorization of 21909668

Prime Factorization 2 × 2 × 11 × 289 × 1723

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10954834
Product of the distinct prime numbers

The prime factorization of 21909668 is 2 × 2 × 11 × 289 × 1723. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 4, 90, 3, 107, 176, 5459, 9358, 13666, 31351, 941134, 573528, 9537992, 4284749, 99476948, 47650563, 772024370, 586125307, 2701747735, 8013018898

Basic calculations (n = 21909668)

Multiplication

n×y
n×2 43819336
n×3 65729004
n×4 87638672
n×5 109548340

Division

n÷y
n÷2 10954834
n÷3 7303222.6666667
n÷3 5477417
n÷5 4381933.6

Exponentiation

ny
n2 480033551870224
n3 1.0517375750337E+22
n4 2.3043221092114E+29
n5 5.0486932377882E+36

Nth Root

y√n
2√n 4680.7764313199
3√n 279.81990119028
4√n 68.416200064896
5√n 29.385099076017

Divisors of 21909668

1, 2, 4, 11, 22, 44, 289, 578, 1156, 1723, 3179, 3446, 6358, 6892, 12716, 18953, 37906, 75812, 497947, 995894, 1991788, 5477417, 10954834, 21909668

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909668 can be divided by 24 positive divisors. The sum of these divisors (counting 21909668) is 1, the average is 0.041666666666667.

Base conversion 21909668

Base System Value
2 Binary 1010011100101000010100100
3 Ternary 1112020010102012
4 Quaternary 1103211002210
5 Quinary 21102102133
6 Senary 2101333352
8 Octal 123450244
10 Decimal 21909668
12 Duodecimal 7407258
16 Hexadecimal 14e50a4
20 Vigesimal 6gie38
36 Base36 d1llw

Cryptographic Hash Functions

md5 ba4c89f9ee3048b5b340dd35c9a2436d
sha1 aaaab3239e97c5ba363047b3e29d044c46f50725
sha256 6cc60f7426c44cd462c4278c47a4afd2f66cbe33cf043ba4acf3dfc344c8c79f
sha512 e0cbf8e57a4ef0372fb3d68c1042414cfbed3a43f7d099860753e18234dda4ba5e72a5206035dbb7db3b798b3284d325d0dd50ec328b3458fe06741639fd2193
ripemd-160 1302188f8c72953a2e8537cda97113338f4a12a5

21909668 as geometric shapes

Circle

Radius = n
Diameter 43819336
Circumference 137662504.06278
Area 1.5080698800321E+15

Sphere

Radius = n
Volume 4.4055080523071E+22
Surface area 6.0322795201284E+15
Circumference 137662504.06278

Square

Length = n
Perimeter 87638672
Area 480033551870224
Diagonal 30984949.632692

Cube

Length = n
Surface area 2880201311221344
Volume 1.0517375750337E+22
Space diagonal 37948658.152966

Equilateral Triangle

Length = n
Perimeter 65729004
Area 2.0786062529424E+14
Altitude 18974329.076483

Triangular Pyramid

Length = n
Surface area 2.0786062529424E+14
Volume 1.2394846188918E+21
Height 10328316.544231