18491145 (number)

18491145 is an odd 8-digits composite number following 18491144 and preceding 18491146. In scientific notation, it is written as 1.8491145 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 9840960 positive integers (up to 18491145) that are relatively prime to 18491145.

Interesting facts

Basic properties

Name

Name eighteen million four hundred ninety-one thousand one hundred forty-five

Notation

Scientific notation 1.8491145 × 10^7
Engineering notation 1.8491145 × 10^6

Prime Factorization of 18491145

Prime Factorization 15 × 2011 × 613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18491145
Product of the distinct prime numbers

The prime factorization of 18491145 is 15 × 2011 × 613. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18491145)

Multiplication

n×y
n×2 36982290
n×3 55473435
n×4 73964580
n×5 92455725

Division

n÷y
n÷2 9245572.5
n÷3 6163715
n÷3 4622786.25
n÷5 3698229

Exponentiation

ny
n2 341922443411025
n3 6.3225374798676E+21
n4 1.1691095730817E+29
n5 2.1618174636741E+36

Nth Root

y√n
2√n 4300.1331374738
3√n 264.43641945507
4√n 65.575400398883
5√n 28.404867046537

Divisors of 18491145

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 -18491144
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 18491145 can be divided by 8 positive divisors. The sum of these divisors (counting 18491145) is 1, the average is 0.125.

Base conversion 18491145

Base System Value
2 Binary 1000110100010011100001001
3 Ternary 1021210110002020
4 Quaternary 1012202130021
5 Quinary 14213204040
6 Senary 1500155053
8 Octal 106423411
10 Decimal 18491145
12 Duodecimal 6238a89
16 Hexadecimal 11a2709
20 Vigesimal 5fb7h5
36 Base36 b0bux

Cryptographic Hash Functions

md5 484910cad81088eb8501205b7dd68d53
sha1 f13de524eb905d9031040a10eb2c176386b98784
sha256 b7ebf2b1de1f47c002583b2c7c5bdba4bcb44077c95c575098f71f384ac53744
sha512 77ba6c68a5c9bfc52701ae1ff32ed8b642ad847229dccac55cf4d1248bda0800181a6a624806a941b28a2177db5a573eaeed29d99cdb2fee716b0245449402ef
ripemd-160 07af57118e3c6719cd92235d1e843a56de990755

18491145 as geometric shapes

Circle

Radius = n
Diameter 36982290
Circumference 116183290.57693
Area 1.0741810363175E+15

Sphere

Radius = n
Volume 2.6483783065064E+22
Surface area 4.2967241452702E+15
Circumference 116183290.57693

Square

Length = n
Perimeter 73964580
Area 341922443411025
Diagonal 26150428.042807

Cube

Length = n
Surface area 2051534660466150
Volume 6.3225374798676E+21
Space diagonal 32027602.630123

Equilateral Triangle

Length = n
Perimeter 55473435
Area 1.48056761059E+14
Altitude 16013801.315062

Triangular Pyramid

Length = n
Surface area 1.48056761059E+14
Volume 7.4511818772008E+20
Height 8716809.3476025