21691724 (number)

21691724 is an even 8-digits composite number following 21691723 and preceding 21691725. In scientific notation, it is written as 2.1691724 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 10818528 positive integers (up to 21691724) that are relatively prime to 21691724.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1691724 × 10^7
Engineering notation 2.1691724 × 10^6

Prime Factorization of 21691724

Prime Factorization 2 × 2 × 409 × 13259

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10845862
Product of the distinct prime numbers

The prime factorization of 21691724 is 2 × 2 × 409 × 13259. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 57, 46, 250, 292, 2354, 8717, 36741, 81491, 487266, 53173, 2536879, 4464316, 83611809, 79071137, 110711419, 87463511, 9500199561, 5160358879

Basic calculations (n = 21691724)

Multiplication

n×y
n×2 43383448
n×3 65075172
n×4 86766896
n×5 108458620

Division

n÷y
n÷2 10845862
n÷3 7230574.6666667
n÷3 5422931
n÷5 4338344.8

Exponentiation

ny
n2 470530890092176
n3 1.0206626201354E+22
n4 2.2139931853094E+29
n5 4.8025329113611E+36

Nth Root

y√n
2√n 4657.4374928709
3√n 278.88898175041
4√n 68.24542103959
5√n 29.326404059362

Divisors of 21691724

1, 2, 4, 409, 818, 1636, 13259, 26518, 53036, 5422931, 10845862, 21691724

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21691723
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21691724 can be divided by 12 positive divisors. The sum of these divisors (counting 21691724) is 1, the average is 0.083333333333333.

Base conversion 21691724

Base System Value
2 Binary 1010010101111110101001100
3 Ternary 1111211001110012
4 Quaternary 1102233311030
5 Quinary 21023113344
6 Senary 2052532352
8 Octal 122576514
10 Decimal 21691724
12 Duodecimal 73210b8
16 Hexadecimal 14afd4c
20 Vigesimal 6fb964
36 Base36 cwxfw

Cryptographic Hash Functions

md5 c902a5609355de83fc22adbeadfdb5d2
sha1 a09a26321ff29fbb53a93054f28fa0acc353f0bc
sha256 c468f119fe96b6994f5052b8bc1edf2e22a5cf6a4c69076a5193bcd8a31efb69
sha512 e5244395210953fef6be5e85b7339737912313d02542e27a1bb8dd69581b7d8fc9e653052a25d7d954321b1c3d6728dfc3f12db248d746dd9864a3d2097f1844
ripemd-160 5aef68de2f29c9446e45928f7c0b81e6c0433242

21691724 as geometric shapes

Circle

Radius = n
Diameter 43383448
Circumference 136293121.52419
Area 1.4782163876006E+15

Sphere

Radius = n
Volume 4.2753415856147E+22
Surface area 5.9128655504026E+15
Circumference 136293121.52419

Square

Length = n
Perimeter 86766896
Area 470530890092176
Diagonal 30676730.272054

Cube

Length = n
Surface area 2823185340553056
Volume 1.0206626201354E+22
Space diagonal 37571168.071761

Equilateral Triangle

Length = n
Perimeter 65075172
Area 2.0374585204256E+14
Altitude 18785584.035881

Triangular Pyramid

Length = n
Surface area 2.0374585204256E+14
Volume 1.2028624333356E+21
Height 10225576.757351