21234538 (number)

21234538 is an even 8-digits composite number following 21234537 and preceding 21234539. In scientific notation, it is written as 2.1234538 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 9661680 positive integers (up to 21234538) that are relatively prime to 21234538.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-four thousand five hundred thirty-eight

Notation

Scientific notation 2.1234538 × 10^7
Engineering notation 2.1234538 × 10^6

Prime Factorization of 21234538

Prime Factorization 2 × 13 × 71 × 11503

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21234538
Product of the distinct prime numbers

The prime factorization of 21234538 is 2 × 13 × 71 × 11503. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 8, 2, 798, 250, 1009, 3565, 61366, 19661, 643598, 407671, 8765054, 3311428, 89056438, 10210341, 902448402, 932824321, 7170949016, 5635583302

Basic calculations (n = 21234538)

Multiplication

n×y
n×2 42469076
n×3 63703614
n×4 84938152
n×5 106172690

Division

n÷y
n÷2 10617269
n÷3 7078179.3333333
n÷3 5308634.5
n÷5 4246907.6

Exponentiation

ny
n2 450905604073444
n3 9.5747721841105E+21
n4 2.0331586378484E+29
n5 4.317318435542E+36

Nth Root

y√n
2√n 4608.0948340936
3√n 276.91571677573
4√n 67.882949509384
5√n 29.201728799727

Divisors of 21234538

1, 2, 13, 26, 71, 142, 923, 1846, 11503, 23006, 149539, 299078, 816713, 1633426, 10617269, 21234538

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 -21234537
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 21234538 can be divided by 16 positive divisors. The sum of these divisors (counting 21234538) is 1, the average is 0.0625.

Base conversion 21234538

Base System Value
2 Binary 1010001000000001101101010
3 Ternary 1110221211022101
4 Quaternary 1101000031222
5 Quinary 20414001123
6 Senary 2035044014
8 Octal 121001552
10 Decimal 21234538
12 Duodecimal 714060a
16 Hexadecimal 144036a
20 Vigesimal 6ce66i
36 Base36 cn4oa

Cryptographic Hash Functions

md5 785f0d0bfe06a30354d2028d654fd1f2
sha1 88d07ef1413c58c857b14cb3928cb2a938b9ceb2
sha256 6d5bffe723683c324ce2ce259dcd7155ff1a968438997aaa5ff97bbbca53af92
sha512 b906ae9523769024b39c4165d39ae434bb0a21e16c2f8f4939a1e25174d193cfe5607a32749439025515bea80bee80491973035b21eeb868a23846cc62bd9319
ripemd-160 21ffe5a5a7857da5d8037f8eb78b9cc837545c1e

21234538 as geometric shapes

Circle

Radius = n
Diameter 42469076
Circumference 133420537.16635
Area 1.4165617332196E+15

Sphere

Radius = n
Volume 4.0106711937863E+22
Surface area 5.6662469328784E+15
Circumference 133420537.16635

Square

Length = n
Perimeter 84938152
Area 450905604073444
Diagonal 30030171.630327

Cube

Length = n
Surface area 2705433624440664
Volume 9.5747721841105E+21
Space diagonal 36779298.691252

Equilateral Triangle

Length = n
Perimeter 63703614
Area 1.9524785391819E+14
Altitude 18389649.345626

Triangular Pyramid

Length = n
Surface area 1.9524785391819E+14
Volume 1.1283977232835E+21
Height 10010057.210109