18872013 (number)

18872013 is an odd 8-digits composite number following 18872012 and preceding 18872014. In scientific notation, it is written as 1.8872013 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 12096000 positive integers (up to 18872013) that are relatively prime to 18872013.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred seventy-two thousand thirteen

Notation

Scientific notation 1.8872013 × 10^7
Engineering notation 1.8872013 × 10^6

Prime Factorization of 18872013

Prime Factorization 3 × 2911 × 2161

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18872013
Product of the distinct prime numbers

The prime factorization of 18872013 is 3 × 2911 × 2161. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18872013)

Multiplication

n×y
n×2 37744026
n×3 56616039
n×4 75488052
n×5 94360065

Division

n÷y
n÷2 9436006.5
n÷3 6290671
n÷3 4718003.25
n÷5 3774402.6

Exponentiation

ny
n2 356152874672169
n3 6.7213216808005E+21
n4 1.2684487013725E+29
n5 2.3938180382135E+36

Nth Root

y√n
2√n 4344.1930205736
3√n 266.23965531013
4√n 65.91049249227
5√n 28.520927549311

Divisors of 18872013

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18872012
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18872013 can be divided by 8 positive divisors. The sum of these divisors (counting 18872013) is 1, the average is 0.125.

Base conversion 18872013

Base System Value
2 Binary 1000111111111011011001101
3 Ternary 1022111210112110
4 Quaternary 1013333123031
5 Quinary 14312401023
6 Senary 1512254233
8 Octal 107773315
10 Decimal 18872013
12 Duodecimal 63a1379
16 Hexadecimal 11ff6cd
20 Vigesimal 5hj00d
36 Base36 b8hql

Cryptographic Hash Functions

md5 790003e58adbb90beebb147fc8a1dda2
sha1 3364a64723a827104314fca904a43aa7c6545c09
sha256 57b407d3d6eb4b200e4bb23b12fcbdd7b30b3c9b1b0bb2325312bef5d9be907f
sha512 f94e7948df67aa4f86d2bf90e37b947eb353220586391df7f82e0decb4bfd1d50d9ddcc4353bcd88f1378a6212615c117bfc49938fbe09e25ba98b86614c2fe3
ripemd-160 4c06eb398cdea07919a287b78b2992c64f385eb9

18872013 as geometric shapes

Circle

Radius = n
Diameter 37744026
Circumference 118576354.7985
Area 1.118887254625E+15

Sphere

Radius = n
Volume 2.8154206419756E+22
Surface area 4.4755490184999E+15
Circumference 118576354.7985

Square

Length = n
Perimeter 75488052
Area 356152874672169
Diagonal 26689056.733881

Cube

Length = n
Surface area 2136917248033014
Volume 6.7213216808005E+21
Space diagonal 32687285.3571

Equilateral Triangle

Length = n
Perimeter 56616039
Area 1.5421871854848E+14
Altitude 16343642.67855

Triangular Pyramid

Length = n
Surface area 1.5421871854848E+14
Volume 7.9211535650504E+20
Height 8896352.2446271