18742481 (number)

18742481 is an odd 8-digits composite number following 18742480 and preceding 18742482. In scientific notation, it is written as 1.8742481 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 18658212 positive integers (up to 18742481) that are relatively prime to 18742481.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8742481 × 10^7
Engineering notation 1.8742481 × 10^6

Prime Factorization of 18742481

Prime Factorization 223 × 84047

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18742481
Product of the distinct prime numbers

The prime factorization of 18742481 is 223 × 84047. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18742481)

Multiplication

n×y
n×2 37484962
n×3 56227443
n×4 74969924
n×5 93712405

Division

n÷y
n÷2 9371240.5
n÷3 6247493.6666667
n÷3 4685620.25
n÷5 3748496.2

Exponentiation

ny
n2 351280594035361
n3 6.5838698593765E+21
n4 1.2339805574584E+29
n5 2.3127857152533E+36

Nth Root

y√n
2√n 4329.258712528
3√n 265.62912585979
4√n 65.797102614994
5√n 28.481667745929

Divisors of 18742481

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18742480
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18742481 can be divided by 4 positive divisors. The sum of these divisors (counting 18742481) is 1, the average is 0.25.

Base conversion 18742481

Base System Value
2 Binary 1000111011111110011010001
3 Ternary 1022021012211222
4 Quaternary 1013133303101
5 Quinary 14244224411
6 Senary 1505414425
8 Octal 107376321
10 Decimal 18742481
12 Duodecimal 633a415
16 Hexadecimal 11dfcd1
20 Vigesimal 5h2g41
36 Base36 b5psh

Cryptographic Hash Functions

md5 197231fd78eb4b6f2c3f7e27593db36a
sha1 86e393a11539d558349b04f8f05e78b1f3f43013
sha256 2a491eca9b885dd35adf900040b183620e95cc6c485e0d16efc49a096bf7e1ac
sha512 c5736a9180990e671c918f21071179541c79cd7230051ef3dc712c6bd4688b325fe4210b3c9a3cf6128b57ecd14fca462bc9ae819924b59ddb3b7c91858a9d22
ripemd-160 ff2df32b18c3cae37c534e401b8b9830b871b91b

18742481 as geometric shapes

Circle

Radius = n
Diameter 37484962
Circumference 117762481.23929
Area 1.1035805335701E+15

Sphere

Radius = n
Volume 2.7578449576544E+22
Surface area 4.4143221342806E+15
Circumference 117762481.23929

Square

Length = n
Perimeter 74969924
Area 351280594035361
Diagonal 26505870.82272

Cube

Length = n
Surface area 2107683564212166
Volume 6.5838698593765E+21
Space diagonal 32462929.351894

Equilateral Triangle

Length = n
Perimeter 56227443
Area 1.5210895914556E+14
Altitude 16231464.675947

Triangular Pyramid

Length = n
Surface area 1.5210895914556E+14
Volume 7.7591650400247E+20
Height 8835290.27424