21782642 (number)

21782642 is an even 8-digits composite number following 21782641 and preceding 21782643. In scientific notation, it is written as 2.1782642 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 9319968 positive integers (up to 21782642) that are relatively prime to 21782642.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred eighty-two thousand six hundred forty-two

Notation

Scientific notation 2.1782642 × 10^7
Engineering notation 2.1782642 × 10^6

Prime Factorization of 21782642

Prime Factorization 2 × 7 × 967 × 1609

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21782642
Product of the distinct prime numbers

The prime factorization of 21782642 is 2 × 7 × 967 × 1609. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 42, 44, 87, 370, 1729, 5553, 19588, 80037, 148911, 409140, 396651, 1100348, 17281892, 96567362, 430853576, 459672562, 8216110007, 4876469109

Basic calculations (n = 21782642)

Multiplication

n×y
n×2 43565284
n×3 65347926
n×4 87130568
n×5 108913210

Division

n÷y
n÷2 10891321
n÷3 7260880.6666667
n÷3 5445660.5
n÷5 4356528.4

Exponentiation

ny
n2 474483492500164
n3 1.0335504052041E+22
n4 2.2513458465515E+29
n5 4.9040260593619E+36

Nth Root

y√n
2√n 4667.187804235
3√n 279.27808076377
4√n 68.316819336347
5√n 29.350946498114

Divisors of 21782642

1, 2, 7, 14, 967, 1609, 1934, 3218, 6769, 11263, 13538, 22526, 1555903, 3111806, 10891321, 21782642

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21782641
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21782642 can be divided by 16 positive divisors. The sum of these divisors (counting 21782642) is 1, the average is 0.0625.

Base conversion 21782642

Base System Value
2 Binary 1010011000110000001110010
3 Ternary 1111222200011112
4 Quaternary 1103012001302
5 Quinary 21034021032
6 Senary 2054513322
8 Octal 123060162
10 Decimal 21782642
12 Duodecimal 7365842
16 Hexadecimal 14c6072
20 Vigesimal 6g2gc2
36 Base36 cyvle

Cryptographic Hash Functions

md5 dce9304486396b8f37c129f81b68a20b
sha1 5d32f2b61d2d222a4529b5804a73d9be992a915a
sha256 97220d79a01133b12d65f9eaeacf9940a7d5e078b3b6eda76cab646cc76f0d9e
sha512 4ec7a43baa6672e968697368c1d203e6b4b055290b2d614b538c11786a2de72672340bd2fd674c570373ab1288efc2e02a5d08994d683c3f7d443d6d5a623d79
ripemd-160 dd0ac7faedd5a0e0ce123a302ba98aef699568d9

21782642 as geometric shapes

Circle

Radius = n
Diameter 43565284
Circumference 136864376.16595
Area 1.4906338542881E+15

Sphere

Radius = n
Volume 4.3293258134718E+22
Surface area 5.9625354171526E+15
Circumference 136864376.16595

Square

Length = n
Perimeter 87130568
Area 474483492500164
Diagonal 30805307.740718

Cube

Length = n
Surface area 2846900955000984
Volume 1.0335504052041E+22
Space diagonal 37728642.667084

Equilateral Triangle

Length = n
Perimeter 65347926
Area 2.0545737909075E+14
Altitude 18864321.333542

Triangular Pyramid

Length = n
Surface area 2.0545737909075E+14
Volume 1.2180508336965E+21
Height 10268435.913573