21091644 (number)

21091644 is an even 8-digits composite number following 21091643 and preceding 21091645. In scientific notation, it is written as 2.1091644 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 5759424 positive integers (up to 21091644) that are relatively prime to 21091644.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1091644 × 10^7
Engineering notation 2.1091644 × 10^6

Prime Factorization of 21091644

Prime Factorization 2 × 2 × 27 × 7 × 23 × 1213

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10545822
Product of the distinct prime numbers

The prime factorization of 21091644 is 2 × 2 × 27 × 7 × 23 × 1213. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 5, 46, 99, 856, 411, 248, 4477, 34463, 67133, 462918, 39500, 3101963, 7601455, 27679527, 21493492, 942162709, 772023273, 6876917381, 2067327396

Basic calculations (n = 21091644)

Multiplication

n×y
n×2 42183288
n×3 63274932
n×4 84366576
n×5 105458220

Division

n÷y
n÷2 10545822
n÷3 7030548
n÷3 5272911
n÷5 4218328.8

Exponentiation

ny
n2 444857446622736
n3 9.3827748949157E+21
n4 1.978981478157E+29
n5 4.1739972819881E+36

Nth Root

y√n
2√n 4592.5639897556
3√n 276.29316674937
4√n 67.768458664453
5√n 29.162321026291

Divisors of 21091644

1, 2, 4, 7, 14, 23, 27, 28, 46, 54, 92, 108, 161, 189, 322, 378, 621, 644, 756, 1213, 1242, 2426, 2484, 4347, 4852, 8491, 8694, 16982, 17388, 27899, 32751, 33964, 55798, 65502, 111596, 131004, 195293, 229257, 390586, 458514, 753273, 781172, 917028, 1506546, 3013092, 5272911, 10545822, 21091644

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091643
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091644 can be divided by 48 positive divisors. The sum of these divisors (counting 21091644) is 1, the average is 0.020833333333333.

Base conversion 21091644

Base System Value
2 Binary 1010000011101010100111100
3 Ternary 1110200120022000
4 Quaternary 1100131110330
5 Quinary 20344413034
6 Senary 2032022300
8 Octal 120352474
10 Decimal 21091644
12 Duodecimal 7091990
16 Hexadecimal 141d53c
20 Vigesimal 6bg924
36 Base36 ck2f0

Cryptographic Hash Functions

md5 d9d4793a8d75c10e2d2b5fd0398ec3d9
sha1 a006572789df0d64e4a6df0f6734bdb0bd08809f
sha256 ec746b4adc78c42329c1e6c2d8b43851f761c438bd82e225d1ed702c10f5f460
sha512 f9ef9cde45cda56cedba604f8a67a6e7942eaf44bcd1ec0eb7ca771a80ebea7ed966d58543df95eddb254f4e03985a89653dcb39b6623ced58a9d7dacbe0249f
ripemd-160 6a0e8fe926e82b80db685251afb78bc4a59c07d2

21091644 as geometric shapes

Circle

Radius = n
Diameter 42183288
Circumference 132522707.68506
Area 1.3975608862047E+15

Sphere

Radius = n
Volume 3.9302475573539E+22
Surface area 5.5902435448188E+15
Circumference 132522707.68506

Square

Length = n
Perimeter 84366576
Area 444857446622736
Diagonal 29828088.997545

Cube

Length = n
Surface area 2669144679736416
Volume 9.3827748949157E+21
Space diagonal 36531799.023155

Equilateral Triangle

Length = n
Perimeter 63274932
Area 1.9262892491898E+14
Altitude 18265899.511578

Triangular Pyramid

Length = n
Surface area 1.9262892491898E+14
Volume 1.105770625757E+21
Height 9942696.332515