18742486 (number)

18742486 is an even 8-digits composite number following 18742485 and preceding 18742487. In scientific notation, it is written as 1.8742486 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 8032488 positive integers (up to 18742486) that are relatively prime to 18742486.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8742486 × 10^7
Engineering notation 1.8742486 × 10^6

Prime Factorization of 18742486

Prime Factorization 2 × 7 × 1338749

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18742486
Product of the distinct prime numbers

The prime factorization of 18742486 is 2 × 7 × 1338749. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18742486)

Multiplication

n×y
n×2 37484972
n×3 56227458
n×4 74969944
n×5 93712430

Division

n÷y
n÷2 9371243
n÷3 6247495.3333333
n÷3 4685621.5
n÷5 3748497.2

Exponentiation

ny
n2 351280781460196
n3 6.5838751285868E+21
n4 1.2339818742329E+29
n5 2.3127888002063E+36

Nth Root

y√n
2√n 4329.2592899941
3√n 265.62914948074
4√n 65.797107003227
5√n 28.481669265561

Divisors of 18742486

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18742485
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18742486 can be divided by 8 positive divisors. The sum of these divisors (counting 18742486) is 1, the average is 0.125.

Base conversion 18742486

Base System Value
2 Binary 1000111011111110011010110
3 Ternary 1022021012212011
4 Quaternary 1013133303112
5 Quinary 14244224421
6 Senary 1505414434
8 Octal 107376326
10 Decimal 18742486
12 Duodecimal 633a41a
16 Hexadecimal 11dfcd6
20 Vigesimal 5h2g46
36 Base36 b5psm

Cryptographic Hash Functions

md5 72d363a4af9662bedda7ba730c1bf93d
sha1 b66035f915f9ae8b983ee9f099b729461e90393e
sha256 7afe9d5a351d9ee5d5308bc073ee94ae6fd174306f4dab7ba46a8385a5772648
sha512 0478daa1572e34f6b16dc82efd8188be399e7fd56b74fe52c7d9c527fb0fc7dcc8faad45f4d2f1eea55ef57c66f7ab77f7b5516eabbf4b49b23d0718e7e7ae2b
ripemd-160 a5debfcc38de51037b25b8f6c73abe292e095ab3

18742486 as geometric shapes

Circle

Radius = n
Diameter 37484972
Circumference 117762512.65522
Area 1.1035811223826E+15

Sphere

Radius = n
Volume 2.7578471648161E+22
Surface area 4.4143244895305E+15
Circumference 117762512.65522

Square

Length = n
Perimeter 74969944
Area 351280781460196
Diagonal 26505877.893788

Cube

Length = n
Surface area 2107684688761176
Volume 6.5838751285868E+21
Space diagonal 32462938.012148

Equilateral Triangle

Length = n
Perimeter 56227458
Area 1.5210904030289E+14
Altitude 16231469.006074

Triangular Pyramid

Length = n
Surface area 1.5210904030289E+14
Volume 7.7591712498486E+20
Height 8835292.6312626