21690784 (number)

21690784 is an even 8-digits composite number following 21690783 and preceding 21690785. In scientific notation, it is written as 2.1690784 × 10^7. The sum of its digits is 37. It has a total of 7 prime factors and 24 positive divisors. There are 10691520 positive integers (up to 21690784) that are relatively prime to 21690784.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1690784 × 10^7
Engineering notation 2.1690784 × 10^6

Prime Factorization of 21690784

Prime Factorization 2 × 2 × 2 × 2 × 2 × 71 × 9547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1355674
Product of the distinct prime numbers

The prime factorization of 21690784 is 2 × 2 × 2 × 2 × 2 × 71 × 9547. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 4, 83, 64, 997, 657, 7024, 3418, 84398, 5957, 797187, 465902, 4433269, 1118570, 27572328, 79334504, 769494698, 604477119, 9557531693, 9627133484

Basic calculations (n = 21690784)

Multiplication

n×y
n×2 43381568
n×3 65072352
n×4 86763136
n×5 108453920

Division

n÷y
n÷2 10845392
n÷3 7230261.3333333
n÷3 5422696
n÷5 4338156.8

Exponentiation

ny
n2 470490110534656
n3 1.0205299361743E+22
n4 2.2136094411091E+29
n5 4.8014924247459E+36

Nth Root

y√n
2√n 4657.3365779166
3√n 278.88495318741
4√n 68.244681682286
5√n 29.326149885948

Divisors of 21690784

1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9547, 19094, 38188, 76376, 152752, 305504, 677837, 1355674, 2711348, 5422696, 10845392, 21690784

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 -21690783
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 21690784 can be divided by 24 positive divisors. The sum of these divisors (counting 21690784) is 1, the average is 0.041666666666667.

Base conversion 21690784

Base System Value
2 Binary 1010010101111100110100000
3 Ternary 1111211000011101
4 Quaternary 1102233212200
5 Quinary 21023101114
6 Senary 2052524144
8 Octal 122574640
10 Decimal 21690784
12 Duodecimal 7320654
16 Hexadecimal 14af9a0
20 Vigesimal 6fb6j4
36 Base36 cwwps

Cryptographic Hash Functions

md5 7269e0086d36729d8dae009db1ab9984
sha1 f660c7b62447194fc43466928816884d5a356f4f
sha256 b6d2cf36f9c2a6bb9502743b76e8415cb834a7960fb712c824735247fba06e8d
sha512 5e723831ea4e97b2eee184ad5166fe2785593213b2fb308525d086764ec0c94d9ee16e7267d87d93afc16f45f73c16ca42fecd126ef37024174dd0b660bad418
ripemd-160 8a9c5d00cfd6a551e4148c56d259fa79d4467c07

21690784 as geometric shapes

Circle

Radius = n
Diameter 43381568
Circumference 136287215.33001
Area 1.4780882748423E+15

Sphere

Radius = n
Volume 4.2747858003383E+22
Surface area 5.9123530993693E+15
Circumference 136287215.33001

Square

Length = n
Perimeter 86763136
Area 470490110534656
Diagonal 30675400.911305

Cube

Length = n
Surface area 2822940663207936
Volume 1.0205299361743E+22
Space diagonal 37569539.944002

Equilateral Triangle

Length = n
Perimeter 65072352
Area 2.0372819397618E+14
Altitude 18784769.972001

Triangular Pyramid

Length = n
Surface area 2.0372819397618E+14
Volume 1.2027060637879E+21
Height 10225133.637102