18742405 (number)

18742405 is an odd 8-digits composite number following 18742404 and preceding 18742406. In scientific notation, it is written as 1.8742405 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 13582080 positive integers (up to 18742405) that are relatively prime to 18742405.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8742405 × 10^7
Engineering notation 1.8742405 × 10^6

Prime Factorization of 18742405

Prime Factorization 5 × 11 × 787 × 433

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18742405
Product of the distinct prime numbers

The prime factorization of 18742405 is 5 × 11 × 787 × 433. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 21, 94, 774, 713, 3032, 1925, 68985, 27345, 769286, 719000, 2285675, 3253247, 49974384, 48778424, 609324459, 352345611, 3805024559, 5024347215

Basic calculations (n = 18742405)

Multiplication

n×y
n×2 37484810
n×3 56227215
n×4 74969620
n×5 93712025

Division

n÷y
n÷2 9371202.5
n÷3 6247468.3333333
n÷3 4685601.25
n÷5 3748481

Exponentiation

ny
n2 351277745184025
n3 6.5837897677258E+21
n4 1.2339605426157E+29
n5 2.3127388243724E+36

Nth Root

y√n
2√n 4329.2499350349
3√n 265.62876682086
4√n 65.797035913747
5√n 28.48164464749

Divisors of 18742405

1, 5, 11, 55, 433, 787, 2165, 3935, 4763, 8657, 23815, 43285, 340771, 1703855, 3748481, 18742405

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 -18742404
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 18742405 can be divided by 16 positive divisors. The sum of these divisors (counting 18742405) is 1, the average is 0.0625.

Base conversion 18742405

Base System Value
2 Binary 1000111011111110010000101
3 Ternary 1022021012202011
4 Quaternary 1013133302011
5 Quinary 14244224110
6 Senary 1505414221
8 Octal 107376205
10 Decimal 18742405
12 Duodecimal 633a371
16 Hexadecimal 11dfc85
20 Vigesimal 5h2g05
36 Base36 b5pqd

Cryptographic Hash Functions

md5 1092aa4a485e095fa997f19d5c8d924c
sha1 f9473d45572e1ea43e395414ed2199beaa5ad5f6
sha256 b55e8cb98b763edd30d405e7702c5cef4ddce3665c6fa51d78e9cbd503415530
sha512 e4f3e0f8da2e2d4a18f228242cbee32a7dc830328f9b0eb0e71de4a5e93d0506f94bd2c68947ecf9c060be59f02781574316066834610237fa3f99339c0a413f
ripemd-160 b3ef1a6dc7cc44229e14efc5c65cccd70d71196b

18742405 as geometric shapes

Circle

Radius = n
Diameter 37484810
Circumference 117762003.71721
Area 1.1035715836397E+15

Sphere

Radius = n
Volume 2.7578114089423E+22
Surface area 4.4142863345589E+15
Circumference 117762003.71721

Square

Length = n
Perimeter 74969620
Area 351277745184025
Diagonal 26505763.342489

Cube

Length = n
Surface area 2107666471104150
Volume 6.5837897677258E+21
Space diagonal 32462797.716033

Equilateral Triangle

Length = n
Perimeter 56227215
Area 1.5210772555674E+14
Altitude 16231398.858016

Triangular Pyramid

Length = n
Surface area 1.5210772555674E+14
Volume 7.7590706511092E+20
Height 8835254.4474964