18972013 (number)

18972013 is an odd 8-digits composite number following 18972012 and preceding 18972014. In scientific notation, it is written as 1.8972013 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 17973468 positive integers (up to 18972013) that are relatively prime to 18972013.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred seventy-two thousand thirteen

Notation

Scientific notation 1.8972013 × 10^7
Engineering notation 1.8972013 × 10^6

Prime Factorization of 18972013

Prime Factorization 19 × 998527

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18972013
Product of the distinct prime numbers

The prime factorization of 18972013 is 19 × 998527. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18972013)

Multiplication

n×y
n×2 37944026
n×3 56916039
n×4 75888052
n×5 94860065

Division

n÷y
n÷2 9486006.5
n÷3 6324004.3333333
n÷3 4743003.25
n÷5 3794402.6

Exponentiation

ny
n2 359937277272169
n3 6.8287347035922E+21
n4 1.295548435701E+29
n5 2.4579161764249E+36

Nth Root

y√n
2√n 4355.6874313936
3√n 266.70908196845
4√n 65.997632013532
5√n 28.551089321419

Divisors of 18972013

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 -18972012
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 18972013 can be divided by 4 positive divisors. The sum of these divisors (counting 18972013) is 1, the average is 0.25.

Base conversion 18972013

Base System Value
2 Binary 1001000010111110101101101
3 Ternary 1022200212201011
4 Quaternary 1020113311231
5 Quinary 14324101023
6 Senary 1514345221
8 Octal 110276555
10 Decimal 18972013
12 Duodecimal 642b211
16 Hexadecimal 1217d6d
20 Vigesimal 5iba0d
36 Base36 bamwd

Cryptographic Hash Functions

md5 7be91756149f1276880ff0fce130eded
sha1 77aa376dd2cee62be93cb471703c25fd3ba1ae5e
sha256 2f75672cdbb1e1014bfc412aaa6e11185eb81371f9864f9c06955a48e2d089ab
sha512 9a829a77d72f3f24b4db769e6026d70d63c9e8f83a6815f67cf6a5191116fdb6e9eb6e8704ccc1541b4e0d8927d99a4f2c07c471faccea0dffc5d775ae13f8b2
ripemd-160 552f79e5a0ba8c1324dd60117bf1897941330298

18972013 as geometric shapes

Circle

Radius = n
Diameter 37944026
Circumference 119204673.32922
Area 1.1307763060314E+15

Sphere

Radius = n
Volume 2.8604137037492E+22
Surface area 4.5231052241254E+15
Circumference 119204673.32922

Square

Length = n
Perimeter 75888052
Area 359937277272169
Diagonal 26830478.090119

Cube

Length = n
Surface area 2159623663633014
Volume 6.8287347035922E+21
Space diagonal 32860490.437857

Equilateral Triangle

Length = n
Perimeter 56916039
Area 1.5585741294335E+14
Altitude 16430245.218929

Triangular Pyramid

Length = n
Surface area 1.5585741294335E+14
Volume 8.0477410263899E+20
Height 8943492.6967062