21909916 (number)

21909916 is an even 8-digits composite number following 21909915 and preceding 21909917. In scientific notation, it is written as 2.1909916 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 9389952 positive integers (up to 21909916) that are relatively prime to 21909916.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1909916 × 10^7
Engineering notation 2.1909916 × 10^6

Prime Factorization of 21909916

Prime Factorization 2 × 2 × 7 × 782497

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10954958
Product of the distinct prime numbers

The prime factorization of 21909916 is 2 × 2 × 7 × 782497. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 1, 51, 633, 968, 2589, 2596, 94414, 32523, 186206, 999308, 7106953, 316733, 61183991, 49979466, 192342170, 268232330, 5661172345, 4822290683

Basic calculations (n = 21909916)

Multiplication

n×y
n×2 43819832
n×3 65729748
n×4 87639664
n×5 109549580

Division

n÷y
n÷2 10954958
n÷3 7303305.3333333
n÷3 5477479
n÷5 4381983.2

Exponentiation

ny
n2 480044419127056
n3 1.0517732899343E+22
n4 2.3044264433503E+29
n5 5.0489789801984E+36

Nth Root

y√n
2√n 4680.8029225764
3√n 279.8209569658
4√n 68.416393668305
5√n 29.385165598902

Divisors of 21909916

1, 2, 4, 7, 14, 28, 782497, 1564994, 3129988, 5477479, 10954958, 21909916

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909915
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909916 can be divided by 12 positive divisors. The sum of these divisors (counting 21909916) is 1, the average is 0.083333333333333.

Base conversion 21909916

Base System Value
2 Binary 1010011100101000110011100
3 Ternary 1112020010202101
4 Quaternary 1103211012130
5 Quinary 21102104131
6 Senary 2101334444
8 Octal 123450634
10 Decimal 21909916
12 Duodecimal 7407424
16 Hexadecimal 14e519c
20 Vigesimal 6giefg
36 Base36 d1lss

Cryptographic Hash Functions

md5 49ada1dd53d63bdfbb286aa29ea1d5b4
sha1 84145de48eb28387845f708f6245bd0ae0f26563
sha256 af18828717775b4c8cee7595da81c11319ae8af3ea2ef7acc33504b58553f3ed
sha512 de5180ab39fa170a9a70aad79b2eef437a67b4ecbef3b493e00100e2dfca841520b235e5dfdcdbe5aa6e8afbbd119575598943c288d5f80cda0d1690117dea3d
ripemd-160 b358a85998e241b1ffcc3b9773c26b10575d001b

21909916 as geometric shapes

Circle

Radius = n
Diameter 43819832
Circumference 137664062.29274
Area 1.5081040205263E+15

Sphere

Radius = n
Volume 4.4056576545326E+22
Surface area 6.0324160821054E+15
Circumference 137664062.29274

Square

Length = n
Perimeter 87639664
Area 480044419127056
Diagonal 30985300.357655

Cube

Length = n
Surface area 2880266514762336
Volume 1.0517732899343E+22
Space diagonal 37949087.701566

Equilateral Triangle

Length = n
Perimeter 65729748
Area 2.0786533095449E+14
Altitude 18974543.850783

Triangular Pyramid

Length = n
Surface area 2.0786533095449E+14
Volume 1.2395267093057E+21
Height 10328433.452552