21568440 (number)

21568440 is an even 8-digits composite number following 21568439 and preceding 21568441. In scientific notation, it is written as 2.1568440 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 5751552 positive integers (up to 21568440) that are relatively prime to 21568440.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred sixty-eight thousand four hundred forty

Notation

Scientific notation 2.1568440 × 10^7
Engineering notation 2.1568440 × 10^6

Prime Factorization of 21568440

Prime Factorization 2 × 2 × 2 × 3 × 5 × 179737

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5392110
Product of the distinct prime numbers

The prime factorization of 21568440 is 2 × 2 × 2 × 3 × 5 × 179737. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 5, 40, 94, 311, 303, 1950, 6841, 63037, 50217, 337915, 187447, 8243680, 7156395, 83193926, 68056305, 546164234, 25019654, 727689885, 4588394140

Basic calculations (n = 21568440)

Multiplication

n×y
n×2 43136880
n×3 64705320
n×4 86273760
n×5 107842200

Division

n÷y
n÷2 10784220
n÷3 7189480
n÷3 5392110
n÷5 4313688

Exponentiation

ny
n2 465197604033600
n3 1.0033586610742E+22
n4 2.164088107986E+29
n5 4.667600451181E+36

Nth Root

y√n
2√n 4644.1834589086
3√n 278.35962636223
4√n 68.148246190996
5√n 29.29299293997

Divisors of 21568440

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179737, 359474, 539211, 718948, 898685, 1078422, 1437896, 1797370, 2156844, 2696055, 3594740, 4313688, 5392110, 7189480, 10784220, 21568440

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21568439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21568440 can be divided by 32 positive divisors. The sum of these divisors (counting 21568440) is 1, the average is 0.03125.

Base conversion 21568440

Base System Value
2 Binary 1010010010001101110111000
3 Ternary 1111120210100010
4 Quaternary 1102101232320
5 Quinary 21010142230
6 Senary 2050141520
8 Octal 122215670
10 Decimal 21568440
12 Duodecimal 72818a0
16 Hexadecimal 1491bb8
20 Vigesimal 6eg120
36 Base36 cuabc

Cryptographic Hash Functions

md5 7ae90fb4b693b5cfc96524398fa33500
sha1 92765df9b97ea9dc93eee4e1934a651c01362c82
sha256 1e4315f044fd7c84ee6fe441705b5dd28008dae2501e969a0c1d17b550be0071
sha512 a5dee25dec4488283ecaf884580527fb3ac364f06c2f080fe5610a2b1f4423b9089b63cb82ad115388fd6c0c9131acf50fabe99eb9bff9ec11936d3d15884912
ripemd-160 7ac98745adaeb54731d5ad99256a6c27c51958e5

21568440 as geometric shapes

Circle

Radius = n
Diameter 43136880
Circumference 135518505.30678
Area 1.4614613752995E+15

Sphere

Radius = n
Volume 4.2028589313954E+22
Surface area 5.8458455011981E+15
Circumference 135518505.30678

Square

Length = n
Perimeter 86273760
Area 465197604033600
Diagonal 30502380.36723

Cube

Length = n
Surface area 2791185624201600
Volume 1.0033586610742E+22
Space diagonal 37357633.920001

Equilateral Triangle

Length = n
Perimeter 64705320
Area 2.0143647143638E+14
Altitude 18678816.96

Triangular Pyramid

Length = n
Surface area 2.0143647143638E+14
Volume 1.1824695220131E+21
Height 10167460.12241