18742488 (number)

18742488 is an even 8-digits composite number following 18742487 and preceding 18742489. In scientific notation, it is written as 1.8742488 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors. There are 6228128 positive integers (up to 18742488) that are relatively prime to 18742488.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8742488 × 10^7
Engineering notation 1.8742488 × 10^6

Prime Factorization of 18742488

Prime Factorization 2 × 2 × 2 × 3 × 383 × 2039

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 4685622
Product of the distinct prime numbers

The prime factorization of 18742488 is 2 × 2 × 2 × 3 × 383 × 2039. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18742488)

Multiplication

n×y
n×2 37484976
n×3 56227464
n×4 74969952
n×5 93712440

Division

n÷y
n÷2 9371244
n÷3 6247496
n÷3 4685622
n÷5 3748497.6

Exponentiation

ny
n2 351280856430144
n3 6.5838772362717E+21
n4 1.233982400943E+29
n5 2.3127900341885E+36

Nth Root

y√n
2√n 4329.2595209805
3√n 265.62915892912
4√n 65.79710875852
5√n 28.481669873413

Divisors of 18742488

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 -18742487
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 18742488 can be divided by 32 positive divisors. The sum of these divisors (counting 18742488) is 1, the average is 0.03125.

Base conversion 18742488

Base System Value
2 Binary 1000111011111110011011000
3 Ternary 1022021012212020
4 Quaternary 1013133303120
5 Quinary 14244224423
6 Senary 1505414440
8 Octal 107376330
10 Decimal 18742488
12 Duodecimal 633a420
16 Hexadecimal 11dfcd8
20 Vigesimal 5h2g48
36 Base36 b5pso

Cryptographic Hash Functions

md5 5f5ab029607259dfa472f08cf0937a17
sha1 ddd25c5d2ff11beea9d94827b553e593b7660559
sha256 efe3519a57cc894467ca89c6a99fce85e5c9539ec649be6131da2294804cbcb2
sha512 b81bef7b1c77fe9796893bf16e3a4802eca2725e998078c7599ed379ca79d4fde724c63f3ebfe799ddaa4bd7bb46a57a927985c064ca82b5d71fe5442ba5651c
ripemd-160 821a4a5cb09eb5b77438f3bf5881d35e1b8b70e8

18742488 as geometric shapes

Circle

Radius = n
Diameter 37484976
Circumference 117762525.22159
Area 1.1035813579077E+15

Sphere

Radius = n
Volume 2.7578480476811E+22
Surface area 4.4143254316307E+15
Circumference 117762525.22159

Square

Length = n
Perimeter 74969952
Area 351280856430144
Diagonal 26505880.722215

Cube

Length = n
Surface area 2107685138580864
Volume 6.5838772362717E+21
Space diagonal 32462941.47625

Equilateral Triangle

Length = n
Perimeter 56227464
Area 1.5210907276583E+14
Altitude 16231470.738125

Triangular Pyramid

Length = n
Surface area 1.5210907276583E+14
Volume 7.7591737337791E+20
Height 8835293.5740717