18994913 (number)

18994913 is an odd 8-digits composite number following 18994912 and preceding 18994914. In scientific notation, it is written as 1.8994913 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 15582336 positive integers (up to 18994913) that are relatively prime to 18994913.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-four thousand nine hundred thirteen

Notation

Scientific notation 1.8994913 × 10^7
Engineering notation 1.8994913 × 10^6

Prime Factorization of 18994913

Prime Factorization 29 × 7 × 137 × 683

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18994913
Product of the distinct prime numbers

The prime factorization of 18994913 is 29 × 7 × 137 × 683. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 68, 67, 692, 452, 2638, 5600, 5380, 65967, 485957, 48048, 6454668, 1948221, 87205553, 19917794, 736624101, 802370125, 9248868474, 370812817

Basic calculations (n = 18994913)

Multiplication

n×y
n×2 37989826
n×3 56984739
n×4 75979652
n×5 94974565

Division

n÷y
n÷2 9497456.5
n÷3 6331637.6666667
n÷3 4748728.25
n÷5 3798982.6

Exponentiation

ny
n2 360806719877569
n3 6.8534922538898E+21
n4 1.3018148910881E+29
n5 2.4727860598323E+36

Nth Root

y√n
2√n 4358.315385559
3√n 266.81634843219
4√n 66.017538469402
5√n 28.55797846385

Divisors of 18994913

1, 7, 29, 137, 203, 683, 959, 3973, 4781, 19807, 27811, 93571, 138649, 654997, 2713559, 18994913

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 -18994912
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 18994913 can be divided by 16 positive divisors. The sum of these divisors (counting 18994913) is 1, the average is 0.0625.

Base conversion 18994913

Base System Value
2 Binary 1001000011101011011100001
3 Ternary 1022202001010022
4 Quaternary 1020131123201
5 Quinary 14330314123
6 Senary 1515043225
8 Octal 110353341
10 Decimal 18994913
12 Duodecimal 6440515
16 Hexadecimal 121d6e1
20 Vigesimal 5ie75d
36 Base36 bb4kh

Cryptographic Hash Functions

md5 41b0c0c2aaeb90440f6f215c076ce2aa
sha1 cf7134fb06847a29ba26550459fbf789bc611f1d
sha256 b49f25d53e314bd68aaf2e17c42539ec5341aa45ba9fda59d343639fb26f1a5f
sha512 c1bff30a951d64a18260193ab506b6d9d3b695ffabcdfdb5dd18f77ffbbbf22616a5d70f5e4abf32fd74e7ce691c6ee70025476e7eed6a5fcf5cb3e50fe8dd8c
ripemd-160 91f7279f4938a71e33ad3e30d991b7bf56078fb7

18994913 as geometric shapes

Circle

Radius = n
Diameter 37989826
Circumference 119348558.27275
Area 1.1335077405332E+15

Sphere

Radius = n
Volume 2.8707841221673E+22
Surface area 4.5340309621328E+15
Circumference 119348558.27275

Square

Length = n
Perimeter 75979652
Area 360806719877569
Diagonal 26862863.580697

Cube

Length = n
Surface area 2164840319265414
Volume 6.8534922538898E+21
Space diagonal 32900154.401351

Equilateral Triangle

Length = n
Perimeter 56984739
Area 1.5623389263506E+14
Altitude 16450077.200675

Triangular Pyramid

Length = n
Surface area 1.5623389263506E+14
Volume 8.0769180792249E+20
Height 8954287.8602323