21542394 (number)

21542394 is an even 8-digits composite number following 21542393 and preceding 21542395. In scientific notation, it is written as 2.1542394 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 6955200 positive integers (up to 21542394) that are relatively prime to 21542394.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand three hundred ninety-four

Notation

Scientific notation 2.1542394 × 10^7
Engineering notation 2.1542394 × 10^6

Prime Factorization of 21542394

Prime Factorization 2 × 3 × 71 × 61 × 829

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21542394
Product of the distinct prime numbers

The prime factorization of 21542394 is 2 × 3 × 71 × 61 × 829. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 7, 38, 96, 373, 955, 9647, 630, 64075, 36926, 403928, 13045, 6898975, 6250406, 55532870, 40212607, 153344234, 914434640, 7524452061, 8002236087

Basic calculations (n = 21542394)

Multiplication

n×y
n×2 43084788
n×3 64627182
n×4 86169576
n×5 107711970

Division

n÷y
n÷2 10771197
n÷3 7180798
n÷3 5385598.5
n÷5 4308478.8

Exponentiation

ny
n2 464074739251236
n3 9.9972808783974E+21
n4 2.153653636111E+29
n5 4.6394855168636E+36

Nth Root

y√n
2√n 4641.3784590356
3√n 278.24753240749
4√n 68.12766295005
5√n 29.285914689495

Divisors of 21542394

1, 2, 3, 6, 61, 71, 122, 142, 183, 213, 366, 426, 829, 1658, 2487, 4331, 4974, 8662, 12993, 25986, 50569, 58859, 101138, 117718, 151707, 176577, 303414, 353154, 3590399, 7180798, 10771197, 21542394

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21542393
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21542394 can be divided by 32 positive divisors. The sum of these divisors (counting 21542394) is 1, the average is 0.03125.

Base conversion 21542394

Base System Value
2 Binary 1010010001011010111111010
3 Ternary 1111112110121110
4 Quaternary 1102023113322
5 Quinary 21003324034
6 Senary 2045421150
8 Octal 122132772
10 Decimal 21542394
12 Duodecimal 726a7b6
16 Hexadecimal 148b5fa
20 Vigesimal 6ecfje
36 Base36 ctq7u

Cryptographic Hash Functions

md5 329af7fd7df69e04206de2e6a516357a
sha1 0383e784d5053755dc5a5908d760c051efb65e07
sha256 d58d228aa4444029e4ea8eaca7b72a31d350dd938b71caf48bee646bcb6f10bc
sha512 ad516f6803e313faf9208d6945796d707bcb888ee661fbd14277e48e2d11a143c8ecd00da000830b01d304da117b43b45c10b11405313c4244bc2cbcb918c0f3
ripemd-160 6514ae51123b462f30880680cd0b51fd348ebb31

21542394 as geometric shapes

Circle

Radius = n
Diameter 43084788
Circumference 135354853.46227
Area 1.4579337915483E+15

Sphere

Radius = n
Volume 4.1876512217929E+22
Surface area 5.8317351661931E+15
Circumference 135354853.46227

Square

Length = n
Perimeter 86169576
Area 464074739251236
Diagonal 30465545.760785

Cube

Length = n
Surface area 2784448435507416
Volume 9.9972808783974E+21
Space diagonal 37312520.924667

Equilateral Triangle

Length = n
Perimeter 64627182
Area 2.009502567231E+14
Altitude 18656260.462333

Triangular Pyramid

Length = n
Surface area 2.009502567231E+14
Volume 1.1781908504236E+21
Height 10155181.920262