18878013 (number)

18878013 is an odd 8-digits composite number following 18878012 and preceding 18878014. In scientific notation, it is written as 1.8878013 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 9806400 positive integers (up to 18878013) that are relatively prime to 18878013.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred seventy-eight thousand thirteen

Notation

Scientific notation 1.8878013 × 10^7
Engineering notation 1.8878013 × 10^6

Prime Factorization of 18878013

Prime Factorization 3 × 3 × 7 × 11 × 27241

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6292671
Product of the distinct prime numbers

The prime factorization of 18878013 is 3 × 3 × 7 × 11 × 27241. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 3, 15, 61, 97, 637, 1401, 1969, 46361, 7968, 698523, 128569, 7471645, 423386, 79105088, 13017044, 729387421, 285919209, 4613932742, 9258842064

Basic calculations (n = 18878013)

Multiplication

n×y
n×2 37756026
n×3 56634039
n×4 75512052
n×5 94390065

Division

n÷y
n÷2 9439006.5
n÷3 6292671
n÷3 4719503.25
n÷5 3775602.6

Exponentiation

ny
n2 356379374828169
n3 6.727734470938E+21
n4 1.2700625880292E+29
n5 2.3976258047628E+36

Nth Root

y√n
2√n 4344.8835427431
3√n 266.26786761001
4√n 65.915730616774
5√n 28.522740856742

Divisors of 18878013

1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 27241, 81723, 190687, 245169, 299651, 572061, 898953, 1716183, 2097557, 2696859, 6292671, 18878013

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18878012
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18878013 can be divided by 24 positive divisors. The sum of these divisors (counting 18878013) is 1, the average is 0.041666666666667.

Base conversion 18878013

Base System Value
2 Binary 1001000000000111000111101
3 Ternary 1022112002202200
4 Quaternary 1020000320331
5 Quinary 14313044023
6 Senary 1512342113
8 Octal 110007075
10 Decimal 18878013
12 Duodecimal 63a4939
16 Hexadecimal 1200e3d
20 Vigesimal 5hjf0d
36 Base36 b8md9

Cryptographic Hash Functions

md5 625c4a39faaddd557d3be071d7fd499e
sha1 ac53c20b1c19dda24e2a7dd795510f2368d5ea42
sha256 18c48394a8cda91dbb7810ad3b2454640331e483bb2c6d6497a32ad895bc5ff5
sha512 d2fc8ad05f6766046fb6eb49945cd9f55217e0d91473fed0c66ea6deaf8700c0426f218085001124f93008cf0347229ca847f422e5fb093175f6ec0d8f300c57
ripemd-160 b12ea683b1f1c9294d28ba6d8144332cd6a254ca

18878013 as geometric shapes

Circle

Radius = n
Diameter 37756026
Circumference 118614053.91035
Area 1.1195988258511E+15

Sphere

Radius = n
Volume 2.8181068252269E+22
Surface area 4.4783953034044E+15
Circumference 118614053.91035

Square

Length = n
Perimeter 75512052
Area 356379374828169
Diagonal 26697542.015256

Cube

Length = n
Surface area 2138276248969014
Volume 6.727734470938E+21
Space diagonal 32697677.661946

Equilateral Triangle

Length = n
Perimeter 56634039
Area 1.5431679599301E+14
Altitude 16348838.830973

Triangular Pyramid

Length = n
Surface area 1.5431679599301E+14
Volume 7.9287111107046E+20
Height 8899180.6717519