18449745 (number)

18449745 is an odd 8-digits composite number following 18449744 and preceding 18449746. In scientific notation, it is written as 1.8449745 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 9822080 positive integers (up to 18449745) that are relatively prime to 18449745.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-nine thousand seven hundred forty-five

Notation

Scientific notation 1.8449745 × 10^7
Engineering notation 1.8449745 × 10^6

Prime Factorization of 18449745

Prime Factorization 3 × 5 × 1031 × 1193

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18449745
Product of the distinct prime numbers

The prime factorization of 18449745 is 3 × 5 × 1031 × 1193. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 3, 11, 582, 881, 7434, 1304, 42394, 82330, 138237, 257889, 6978536, 5119953, 39502275, 74885884, 96798278, 378917512, 8647549596, 8497115892

Basic calculations (n = 18449745)

Multiplication

n×y
n×2 36899490
n×3 55349235
n×4 73798980
n×5 92248725

Division

n÷y
n÷2 9224872.5
n÷3 6149915
n÷3 4612436.25
n÷5 3689949

Exponentiation

ny
n2 340393090565025
n3 6.2801657206866E+21
n4 1.1586745610441E+29
n5 2.137725018925E+36

Nth Root

y√n
2√n 4295.3166355928
3√n 264.23892225263
4√n 65.538665195385
5√n 28.392136455097

Divisors of 18449745

1, 3, 5, 15, 1031, 1193, 3093, 3579, 5155, 5965, 15465, 17895, 1229983, 3689949, 6149915, 18449745

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 -18449744
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 18449745 can be divided by 16 positive divisors. The sum of these divisors (counting 18449745) is 1, the average is 0.0625.

Base conversion 18449745

Base System Value
2 Binary 1000110011000010101010001
3 Ternary 1021201100021220
4 Quaternary 1012120111101
5 Quinary 14210342440
6 Senary 1455235253
8 Octal 106302521
10 Decimal 18449745
12 Duodecimal 6218b29
16 Hexadecimal 1198551
20 Vigesimal 5f6475
36 Base36 azfwx

Cryptographic Hash Functions

md5 8caaaeab82eb4cae11c7ff5d1d6f9b70
sha1 51120225c65e1c1ee10f39add471a2261887cf6c
sha256 cc07c0d10d6bce2fbd883835783b21c58fbebb8456e09993a657f2c180026487
sha512 1634e0ed43a367bd9668292e28fa74d6ab0ffc1ef36a27c3fb2230b8fde74c5e5c2b4e37b57003f92a92f97208ca59a57644e211a49dda724ae2b79b2d7dcf29
ripemd-160 c2d6e87686e646528f64cffad728c69674cd7980

18449745 as geometric shapes

Circle

Radius = n
Diameter 36899490
Circumference 115923166.70521
Area 1.0693764326518E+15

Sphere

Radius = n
Volume 2.6306296655247E+22
Surface area 4.2775057306072E+15
Circumference 115923166.70521

Square

Length = n
Perimeter 73798980
Area 340393090565025
Diagonal 26091879.601325

Cube

Length = n
Surface area 2042358543390150
Volume 6.2801657206866E+21
Space diagonal 31955895.72669

Equilateral Triangle

Length = n
Perimeter 55349235
Area 1.47394531851E+14
Altitude 15977947.863345

Triangular Pyramid

Length = n
Surface area 1.47394531851E+14
Volume 7.4012462801213E+20
Height 8697293.2004417