18878481 (number)

18878481 is an odd 8-digits composite number following 18878480 and preceding 18878482. In scientific notation, it is written as 1.8878481 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 12512880 positive integers (up to 18878481) that are relatively prime to 18878481.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred seventy-eight thousand four hundred eighty-one

Notation

Scientific notation 1.8878481 × 10^7
Engineering notation 1.8878481 × 10^6

Prime Factorization of 18878481

Prime Factorization 3 × 9 × 181 × 3863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18878481
Product of the distinct prime numbers

The prime factorization of 18878481 is 3 × 9 × 181 × 3863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 47, 69, 747, 185, 5300, 1545, 4491, 54036, 213572, 724407, 243216, 6695103, 14309045, 17207822, 72446543, 908929249, 6807557002, 8297349755

Basic calculations (n = 18878481)

Multiplication

n×y
n×2 37756962
n×3 56635443
n×4 75513924
n×5 94392405

Division

n÷y
n÷2 9439240.5
n÷3 6292827
n÷3 4719620.25
n÷5 3775696.2

Exponentiation

ny
n2 356397044867361
n3 6.7282348399846E+21
n4 1.2701885359019E+29
n5 2.3979230141441E+36

Nth Root

y√n
2√n 4344.9373988586
3√n 266.27006791806
4√n 65.916139137988
5√n 28.522882275337

Divisors of 18878481

1, 3, 9, 27, 181, 543, 1629, 3863, 4887, 11589, 34767, 104301, 699203, 2097609, 6292827, 18878481

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 -18878480
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 18878481 can be divided by 16 positive divisors. The sum of these divisors (counting 18878481) is 1, the average is 0.0625.

Base conversion 18878481

Base System Value
2 Binary 1001000000001000000010001
3 Ternary 1022112010102000
4 Quaternary 1020001000101
5 Quinary 14313102411
6 Senary 1512344213
8 Octal 110010021
10 Decimal 18878481
12 Duodecimal 63a5069
16 Hexadecimal 1201011
20 Vigesimal 5hjg41
36 Base36 b8mq9

Cryptographic Hash Functions

md5 636637dd6dcea7bbde91f854e9fe62c3
sha1 62f0904da9934be24e8b308c2643204427555c4c
sha256 f8846d324cafebc656bdd6410b5c1796bccd24e49b64002267860729bcd90532
sha512 0bcf3c362cab8b6f69c60d5be55300c62875537a0679bbb4310b2217391768816491e6b7a198f4b90deb23f5f7ed14029f4ddadb774da54d75649b872b3c65b1
ripemd-160 fccb1cba2bd79b496121ee6a43474d28abc17cc7

18878481 as geometric shapes

Circle

Radius = n
Diameter 37756962
Circumference 118616994.44107
Area 1.1196543379164E+15

Sphere

Radius = n
Volume 2.818316419323E+22
Surface area 4.4786173516657E+15
Circumference 118616994.44107

Square

Length = n
Perimeter 75513924
Area 356397044867361
Diagonal 26698203.867203

Cube

Length = n
Surface area 2138382269204166
Volume 6.7282348399846E+21
Space diagonal 32698488.261724

Equilateral Triangle

Length = n
Perimeter 56635443
Area 1.5432444734442E+14
Altitude 16349244.130862

Triangular Pyramid

Length = n
Surface area 1.5432444734442E+14
Volume 7.9293008012812E+20
Height 8899401.2890676