21342643 (number)

21342643 is an odd 8-digits composite number following 21342642 and preceding 21342644. In scientific notation, it is written as 2.1342643 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 16574976 positive integers (up to 21342643) that are relatively prime to 21342643.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred forty-two thousand six hundred forty-three

Notation

Scientific notation 2.1342643 × 10^7
Engineering notation 2.1342643 × 10^6

Prime Factorization of 21342643

Prime Factorization 7 × 23 × 19 × 6977

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21342643
Product of the distinct prime numbers

The prime factorization of 21342643 is 7 × 23 × 19 × 6977. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 83, 70, 62, 180, 3360, 3455, 91427, 48183, 687259, 465006, 8959122, 1697462, 56980832, 55952091, 865884756, 180353211, 9636434219, 3777024128

Basic calculations (n = 21342643)

Multiplication

n×y
n×2 42685286
n×3 64027929
n×4 85370572
n×5 106713215

Division

n÷y
n÷2 10671321.5
n÷3 7114214.3333333
n÷3 5335660.75
n÷5 4268528.6

Exponentiation

ny
n2 455508410225449
n3 9.7217533829393E+21
n4 2.0748791178612E+29
n5 4.4283404280666E+36

Nth Root

y√n
2√n 4619.8098445715
3√n 277.38484738781
4√n 67.969183050641
5√n 29.231401626569

Divisors of 21342643

1, 7, 19, 23, 133, 161, 437, 3059, 6977, 48839, 132563, 160471, 927941, 1123297, 3048949, 21342643

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 -21342642
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 21342643 can be divided by 16 positive divisors. The sum of these divisors (counting 21342643) is 1, the average is 0.0625.

Base conversion 21342643

Base System Value
2 Binary 1010001011010100110110011
3 Ternary 1111011022121021
4 Quaternary 1101122212303
5 Quinary 20430431033
6 Senary 2041240311
8 Octal 121324663
10 Decimal 21342643
12 Duodecimal 7193097
16 Hexadecimal 145a9b3
20 Vigesimal 6d7gc3
36 Base36 cpg37

Cryptographic Hash Functions

md5 10a488fd17664683a7ad44117162feca
sha1 63a13873226da91238d8f8df27f457b2c7ba3b8b
sha256 2d504551bf50ee2433178b479475eae1939efc63106a838c933f7e78510dcd43
sha512 47c8466d8515e5b9263c5106a9f6eff6eec72901009b8f2b12b4638179681fa72356135a72b55858a03bb9b4efa3613a4685361521861794c5ab25551a932169
ripemd-160 ed284bc85d4e4355f230a7ce48a9879ba92aacbd

21342643 as geometric shapes

Circle

Radius = n
Diameter 42685286
Circumference 134099780.91398
Area 1.4310218752126E+15

Sphere

Radius = n
Volume 4.0722385343805E+22
Surface area 5.7240875008505E+15
Circumference 134099780.91398

Square

Length = n
Perimeter 85370572
Area 455508410225449
Diagonal 30183055.187487

Cube

Length = n
Surface area 2733050461352694
Volume 9.7217533829393E+21
Space diagonal 36966542.043804

Equilateral Triangle

Length = n
Perimeter 64027929
Area 1.9724092744635E+14
Altitude 18483271.021902

Triangular Pyramid

Length = n
Surface area 1.9724092744635E+14
Volume 1.1457196236833E+21
Height 10061018.395829