21691829 (number)

21691829 is an odd 8-digits composite number following 21691828 and preceding 21691830. In scientific notation, it is written as 2.1691829 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 20241760 positive integers (up to 21691829) that are relatively prime to 21691829.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand eight hundred twenty-nine

Notation

Scientific notation 2.1691829 × 10^7
Engineering notation 2.1691829 × 10^6

Prime Factorization of 21691829

Prime Factorization 41 × 23 × 23003

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21691829
Product of the distinct prime numbers

The prime factorization of 21691829 is 41 × 23 × 23003. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21691829)

Multiplication

n×y
n×2 43383658
n×3 65075487
n×4 86767316
n×5 108459145

Division

n÷y
n÷2 10845914.5
n÷3 7230609.6666667
n÷3 5422957.25
n÷5 4338365.8

Exponentiation

ny
n2 470535445365241
n3 1.0206774419302E+22
n4 2.2140360534507E+29
n5 4.8026491471287E+36

Nth Root

y√n
2√n 4657.4487651503
3√n 278.88943174224
4√n 68.245503625882
5√n 29.326432450526

Divisors of 21691829

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21691828
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21691829 can be divided by 8 positive divisors. The sum of these divisors (counting 21691829) is 1, the average is 0.125.

Base conversion 21691829

Base System Value
2 Binary 1010010101111110110110101
3 Ternary 1111211001121002
4 Quaternary 1102233312311
5 Quinary 21023114304
6 Senary 2052533045
8 Octal 122576665
10 Decimal 21691829
12 Duodecimal 7321185
16 Hexadecimal 14afdb5
20 Vigesimal 6fb9b9
36 Base36 cwxit

Cryptographic Hash Functions

md5 374a1e8a0bdf1ab09f7376944f5ec826
sha1 fd54d38f4220d144af378180f50440d2352a604e
sha256 f5d08a001703160afb5f7e51af88e8045745e3b8ba11c3cb75f100b63b398cfa
sha512 e973aa20997dfef243c015631b7e07527417f333f613b7cfc4ddd6a3d22b5c5ff2b8cf6b1d364fd18b69691215113a824cd59343fd31af4f7d2e9a6572638f9a
ripemd-160 62f7051b478d56d0bc5582d3143028b0326c2e82

21691829 as geometric shapes

Circle

Radius = n
Diameter 43383658
Circumference 136293781.25865
Area 1.478230698413E+15

Sphere

Radius = n
Volume 4.2754036710035E+22
Surface area 5.9129227936522E+15
Circumference 136293781.25865

Square

Length = n
Perimeter 86767316
Area 470535445365241
Diagonal 30676878.764478

Cube

Length = n
Surface area 2823212672191446
Volume 1.0206774419302E+22
Space diagonal 37571349.937096

Equilateral Triangle

Length = n
Perimeter 65075487
Area 2.0374782453366E+14
Altitude 18785674.968548

Triangular Pyramid

Length = n
Surface area 2.0374782453366E+14
Volume 1.2028799009883E+21
Height 10225626.254826