21491696 (number)

21491696 is an even 8-digits composite number following 21491695 and preceding 21491697. In scientific notation, it is written as 2.1491696 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 10649856 positive integers (up to 21491696) that are relatively prime to 21491696.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand six hundred ninety-six

Notation

Scientific notation 2.1491696 × 10^7
Engineering notation 2.1491696 × 10^6

Prime Factorization of 21491696

Prime Factorization 2 × 2 × 2 × 2 × 113 × 11887

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2686462
Product of the distinct prime numbers

The prime factorization of 21491696 is 2 × 2 × 2 × 2 × 113 × 11887. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 9, 75, 4, 694, 164, 8547, 4958, 64671, 41371, 181503, 279152, 1313046, 2330377, 91000850, 55895222, 664854262, 219845152, 1102455023, 6144798718

Basic calculations (n = 21491696)

Multiplication

n×y
n×2 42983392
n×3 64475088
n×4 85966784
n×5 107458480

Division

n÷y
n÷2 10745848
n÷3 7163898.6666667
n÷3 5372924
n÷5 4298339.2

Exponentiation

ny
n2 461892996956416
n3 9.9268638751162E+21
n4 2.1334514063738E+29
n5 4.5851489056558E+36

Nth Root

y√n
2√n 4635.9137179201
3√n 278.02908447841
4√n 68.08754451381
5√n 29.272117365431

Divisors of 21491696

1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11887, 23774, 47548, 95096, 190192, 1343231, 2686462, 5372924, 10745848, 21491696

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491695
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491696 can be divided by 20 positive divisors. The sum of these divisors (counting 21491696) is 1, the average is 0.05.

Base conversion 21491696

Base System Value
2 Binary 1010001111110111111110000
3 Ternary 1111102220001202
4 Quaternary 1101332333300
5 Quinary 21000213241
6 Senary 2044350332
8 Octal 121767760
10 Decimal 21491696
12 Duodecimal 72453a8
16 Hexadecimal 147eff0
20 Vigesimal 6e694g
36 Base36 csn3k

Cryptographic Hash Functions

md5 50737db3018ea146b4c9c71ad969b3e9
sha1 500bd0db70da859fa375cf3f8950df8f3bef075f
sha256 4d65d2c37435eb354a9e33d0f6bc0d39abd1c7f7ccc2c01fc26a92b777814c40
sha512 dc8dc882aad3aa41dc4fdabc0753cbd1c7e5fd4cfde4fb81bd2d53d4751ce1c164284114674e086dfde91be1b5ebe9e6eeb5e9d80171c4a31c769ff86e3ed44a
ripemd-160 d230118298114fcf41fd46103a655f2933138428

21491696 as geometric shapes

Circle

Radius = n
Diameter 42983392
Circumference 135036308.53357
Area 1.4510796459828E+15

Sphere

Radius = n
Volume 4.1581550164335E+22
Surface area 5.8043185839314E+15
Circumference 135036308.53357

Square

Length = n
Perimeter 85966784
Area 461892996956416
Diagonal 30393847.9616

Cube

Length = n
Surface area 2771357981738496
Volume 9.9268638751162E+21
Space diagonal 37224709.412825

Equilateral Triangle

Length = n
Perimeter 64475088
Area 2.0000553459719E+14
Altitude 18612354.706412

Triangular Pyramid

Length = n
Surface area 2.0000553459719E+14
Volume 1.1698921270017E+21
Height 10131282.653867