21691824 (number)

21691824 is an even 8-digits composite number following 21691823 and preceding 21691825. In scientific notation, it is written as 2.1691824 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 80 positive divisors. There are 5633280 positive integers (up to 21691824) that are relatively prime to 21691824.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1691824 × 10^7
Engineering notation 2.1691824 × 10^6

Prime Factorization of 21691824

Prime Factorization 2 × 2 × 2 × 2 × 3 × 11 × 7 × 5869

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2711478
Product of the distinct prime numbers

The prime factorization of 21691824 is 2 × 2 × 2 × 2 × 3 × 11 × 7 × 5869. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21691824)

Multiplication

n×y
n×2 43383648
n×3 65075472
n×4 86767296
n×5 108459120

Division

n÷y
n÷2 10845912
n÷3 7230608
n÷3 5422956
n÷5 4338364.8

Exponentiation

ny
n2 470535228446976
n3 1.0206767361272E+22
n4 2.2140340120965E+29
n5 4.8026436120411E+36

Nth Root

y√n
2√n 4657.4482283757
3√n 278.88941031409
4√n 68.245499693208
5√n 29.326431098568

Divisors of 21691824

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21691823
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21691824 can be divided by 80 positive divisors. The sum of these divisors (counting 21691824) is 1, the average is 0.0125.

Base conversion 21691824

Base System Value
2 Binary 1010010101111110110110000
3 Ternary 1111211001120220
4 Quaternary 1102233312300
5 Quinary 21023114244
6 Senary 2052533040
8 Octal 122576660
10 Decimal 21691824
12 Duodecimal 7321180
16 Hexadecimal 14afdb0
20 Vigesimal 6fb9b4
36 Base36 cwxio

Cryptographic Hash Functions

md5 dc902cabb0f816052781343ef352891c
sha1 5f4ba547e2da3d932261840d560e5bd305aeaada
sha256 3d89808d3ba06c399b7ac2ece4dce8ed338da547e6ccfbd74be386feccfd997f
sha512 bc7b86668d6698f24553b1873aa97b01181b6629448445dc56b5993f80b3cbfccdefcffae63b7fc1f14625441eda9c03f5d8df4476b7e8bbb69e2cb90cb25d3a
ripemd-160 1fb9ffcf03622bba12562d9f2f620909e9adf39e

21691824 as geometric shapes

Circle

Radius = n
Diameter 43383648
Circumference 136293749.84273
Area 1.4782300169442E+15

Sphere

Radius = n
Volume 4.2754007145428E+22
Surface area 5.9129200677769E+15
Circumference 136293749.84273

Square

Length = n
Perimeter 86767296
Area 470535228446976
Diagonal 30676871.69341

Cube

Length = n
Surface area 2823211370681856
Volume 1.0206767361272E+22
Space diagonal 37571341.276842

Equilateral Triangle

Length = n
Perimeter 65075472
Area 2.037477306053E+14
Altitude 18785670.638421

Triangular Pyramid

Length = n
Surface area 2.037477306053E+14
Volume 1.2028790691914E+21
Height 10225623.897803