18678081 (number)

18678081 is an odd 8-digits composite number following 18678080 and preceding 18678082. In scientific notation, it is written as 1.8678081 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 12038400 positive integers (up to 18678081) that are relatively prime to 18678081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8678081 × 10^7
Engineering notation 1.8678081 × 10^6

Prime Factorization of 18678081

Prime Factorization 3 × 37 × 191 × 881

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18678081
Product of the distinct prime numbers

The prime factorization of 18678081 is 3 × 37 × 191 × 881. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18678081)

Multiplication

n×y
n×2 37356162
n×3 56034243
n×4 74712324
n×5 93390405

Division

n÷y
n÷2 9339040.5
n÷3 6226027
n÷3 4669520.25
n÷5 3735616.2

Exponentiation

ny
n2 348870709842561
n3 6.5162353769669E+21
n4 1.2171077218605E+29
n5 2.2733236614636E+36

Nth Root

y√n
2√n 4321.8145494688
3√n 265.32453889664
4√n 65.740509196908
5√n 28.462067933113

Divisors of 18678081

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 -18678080
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 18678081 can be divided by 16 positive divisors. The sum of these divisors (counting 18678081) is 1, the average is 0.0625.

Base conversion 18678081

Base System Value
2 Binary 1000111010000000101000001
3 Ternary 1022010221111210
4 Quaternary 1013100011001
5 Quinary 14240144311
6 Senary 1504200333
8 Octal 107200501
10 Decimal 18678081
12 Duodecimal 63090a9
16 Hexadecimal 11d0141
20 Vigesimal 5gef41
36 Base36 b4c3l

Cryptographic Hash Functions

md5 1cc3139dbfb2b99ea6bd15d67b6ad1c6
sha1 bacd1d596930c01584bd92b4cd197e5f14e8e828
sha256 0be0a5dda8c584f1b5d3d9aaf5bb3e4dc7a47e09d3b57aa406f2266a42276f02
sha512 5dcef0fdf4b2c901a8d78c5c9ca4009e198b0b46f8a695dcaf289cd598017e77e343a5f2cc424d18c42ec4c563ce46b70934ef7267c1470cfe619df971d79b3d
ripemd-160 90123f01f09de5ab0671dbe2513b7b849454cd7c

18678081 as geometric shapes

Circle

Radius = n
Diameter 37356162
Circumference 117357844.10551
Area 1.096009659094E+15

Sphere

Radius = n
Volume 2.7295142919121E+22
Surface area 4.3840386363762E+15
Circumference 117357844.10551

Square

Length = n
Perimeter 74712324
Area 348870709842561
Diagonal 26414795.469303

Cube

Length = n
Surface area 2093224259055366
Volume 6.5162353769669E+21
Space diagonal 32351385.279887

Equilateral Triangle

Length = n
Perimeter 56034243
Area 1.5106544867998E+14
Altitude 16175692.639943

Triangular Pyramid

Length = n
Surface area 1.5106544867998E+14
Volume 7.6794570381016E+20
Height 8804931.8231011