18744642 (number)

18744642 is an even 8-digits composite number following 18744641 and preceding 18744643. In scientific notation, it is written as 1.8744642 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 5038848 positive integers (up to 18744642) that are relatively prime to 18744642.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred forty-four thousand six hundred forty-two

Notation

Scientific notation 1.8744642 × 10^7
Engineering notation 1.8744642 × 10^6

Prime Factorization of 18744642

Prime Factorization 2 × 27 × 7 × 17 × 2917

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18744642
Product of the distinct prime numbers

The prime factorization of 18744642 is 2 × 27 × 7 × 17 × 2917. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 8, 56, 27, 87, 725, 9676, 9391, 41305, 36858, 467630, 848898, 9407749, 5020130, 74704697, 14227562, 101282054, 883314193, 8184946753, 1006240093

Basic calculations (n = 18744642)

Multiplication

n×y
n×2 37489284
n×3 56233926
n×4 74978568
n×5 93723210

Division

n÷y
n÷2 9372321
n÷3 6248214
n÷3 4686160.5
n÷5 3748928.4

Exponentiation

ny
n2 351361603708164
n3 6.5861474740554E+21
n4 1.2345497656037E+29
n5 2.3141193387426E+36

Nth Root

y√n
2√n 4329.5082861683
3√n 265.63933444211
4√n 65.798999127405
5√n 28.482324500449

Divisors of 18744642

1, 2, 7, 14, 17, 27, 34, 54, 119, 189, 238, 378, 459, 918, 2917, 3213, 5834, 6426, 20419, 40838, 49589, 78759, 99178, 157518, 347123, 551313, 694246, 1102626, 1338903, 2677806, 9372321, 18744642

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 -18744641
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 18744642 can be divided by 32 positive divisors. The sum of these divisors (counting 18744642) is 1, the average is 0.03125.

Base conversion 18744642

Base System Value
2 Binary 1000111100000010101000010
3 Ternary 1022021022211000
4 Quaternary 1013200111002
5 Quinary 14244312032
6 Senary 1505432430
8 Octal 107402502
10 Decimal 18744642
12 Duodecimal 633b716
16 Hexadecimal 11e0542
20 Vigesimal 5h31c2
36 Base36 b5rgi

Cryptographic Hash Functions

md5 bd971a610e00fb9896374e9d7500525a
sha1 e189d127c75be52baaa527349f4607b695594624
sha256 942c2b001f99d2f033e23873b55dfacd9e83fd6c0ea4d716949cf8c81f6d1e31
sha512 8dcc86d39c764d5f733dc619017bede38e43152b58919be777e68df0ab67e9f46a05d2a2d5081369871c3d30f252b663dbbadad89b2c3c549c8a2e1faf75d5fd
ripemd-160 30ab29b6a45aa1839a89bc53da34f66b755b019f

18744642 as geometric shapes

Circle

Radius = n
Diameter 37489284
Circumference 117776059.20274
Area 1.1038350329631E+15

Sphere

Radius = n
Volume 2.7587990026602E+22
Surface area 4.4153401318524E+15
Circumference 117776059.20274

Square

Length = n
Perimeter 74978568
Area 351361603708164
Diagonal 26508926.938228

Cube

Length = n
Surface area 2108169622248984
Volume 6.5861474740554E+21
Space diagonal 32466672.313689

Equilateral Triangle

Length = n
Perimeter 56233926
Area 1.5214403736286E+14
Altitude 16233336.156845

Triangular Pyramid

Length = n
Surface area 1.5214403736286E+14
Volume 7.7618492346654E+20
Height 8836308.9794094