21495984 (number)

21495984 is an even 8-digits composite number following 21495983 and preceding 21495985. In scientific notation, it is written as 2.1495984 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors. There are 6853440 positive integers (up to 21495984) that are relatively prime to 21495984.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand nine hundred eighty-four

Notation

Scientific notation 2.1495984 × 10^7
Engineering notation 2.1495984 × 10^6

Prime Factorization of 21495984

Prime Factorization 2 × 2 × 2 × 2 × 69 × 19471

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2686998
Product of the distinct prime numbers

The prime factorization of 21495984 is 2 × 2 × 2 × 2 × 69 × 19471. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 3, 22, 43, 419, 266, 1324, 7313, 83241, 41490, 636115, 914939, 5542347, 7975629, 46328017, 57626053, 505978097, 299150574, 1102859267, 8784297216

Basic calculations (n = 21495984)

Multiplication

n×y
n×2 42991968
n×3 64487952
n×4 85983936
n×5 107479920

Division

n÷y
n÷2 10747992
n÷3 7165328
n÷3 5373996
n÷5 4299196.8

Exponentiation

ny
n2 462077328128256
n3 9.9328068522077E+21
n4 2.1351545717015E+29
n5 4.5897248510822E+36

Nth Root

y√n
2√n 4636.3761711061
3√n 278.04757393646
4√n 68.090940448095
5√n 29.273285340477

Divisors of 21495984

1, 2, 4, 8, 16, 69, 138, 276, 552, 1104, 19471, 38942, 77884, 155768, 311536, 1343499, 2686998, 5373996, 10747992, 21495984

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495984 can be divided by 20 positive divisors. The sum of these divisors (counting 21495984) is 1, the average is 0.05.

Base conversion 21495984

Base System Value
2 Binary 1010010000000000010110000
3 Ternary 1111110002221120
4 Quaternary 1102000002300
5 Quinary 21000332414
6 Senary 2044422240
8 Octal 122000260
10 Decimal 21495984
12 Duodecimal 7247980
16 Hexadecimal 14800b0
20 Vigesimal 6e6jj4
36 Base36 csqeo

Cryptographic Hash Functions

md5 b3f79ea949cc1d690323874435f1300e
sha1 761313d98eaedca2f6951f4084454ff5ccf61c95
sha256 a1491f11ff6ebc91fdc1678c10e08beef399b265b98dc778187e38830ab161fd
sha512 5abbc95309bdbd7089609c16b1069be8b562339296c8aa51ec0c1f6a0cf9bd180d66aa489254def6ffa36fb044e104161dd367fe3a825954129371433cc56598
ripemd-160 9865ddd0c9a23a8f97a3f7c5706bc4ecefb376df

21495984 as geometric shapes

Circle

Radius = n
Diameter 42991968
Circumference 135063250.83217
Area 1.4516587394381E+15

Sphere

Radius = n
Volume 4.1606444048563E+22
Surface area 5.8066349577525E+15
Circumference 135063250.83217

Square

Length = n
Perimeter 85983936
Area 462077328128256
Diagonal 30399912.109355

Cube

Length = n
Surface area 2772463968769536
Volume 9.9328068522077E+21
Space diagonal 37232136.446688

Equilateral Triangle

Length = n
Perimeter 64487952
Area 2.0008535233595E+14
Altitude 18616068.223344

Triangular Pyramid

Length = n
Surface area 2.0008535233595E+14
Volume 1.1705925135687E+21
Height 10133304.036452