18997047 (number)

18997047 is an odd 8-digits composite number following 18997046 and preceding 18997048. In scientific notation, it is written as 1.8997047 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 12456720 positive integers (up to 18997047) that are relatively prime to 18997047.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-seven thousand forty-seven

Notation

Scientific notation 1.8997047 × 10^7
Engineering notation 1.8997047 × 10^6

Prime Factorization of 18997047

Prime Factorization 9 × 61 × 34603

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18997047
Product of the distinct prime numbers

The prime factorization of 18997047 is 9 × 61 × 34603. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18997047)

Multiplication

n×y
n×2 37994094
n×3 56991141
n×4 75988188
n×5 94985235

Division

n÷y
n÷2 9498523.5
n÷3 6332349
n÷3 4749261.75
n÷5 3799409.4

Exponentiation

ny
n2 360887794720209
n3 6.8558023980262E+21
n4 1.3024000037802E+29
n5 2.4741754084612E+36

Nth Root

y√n
2√n 4358.5601980471
3√n 266.82633996284
4√n 66.019392590716
5√n 28.558620109196

Divisors of 18997047

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 -18997046
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 18997047 can be divided by 8 positive divisors. The sum of these divisors (counting 18997047) is 1, the average is 0.125.

Base conversion 18997047

Base System Value
2 Binary 1001000011101111100110111
3 Ternary 1022202011001100
4 Quaternary 1020131330313
5 Quinary 14330401142
6 Senary 1515101143
8 Octal 110357467
10 Decimal 18997047
12 Duodecimal 64417b3
16 Hexadecimal 121df37
20 Vigesimal 5iecc7
36 Base36 bb67r

Cryptographic Hash Functions

md5 90f16e92dd1a7d072b3a67336f1ad550
sha1 13d35e32754abce70b380c40808b8171a424050f
sha256 f4be857307d5a974ad77e9f07d49529fc0f88599fac647212c4e829747998e72
sha512 08891ee3b22c4b82417afff65f501d1617b3d680a8bd70489ed55989360e427947282d03f61e735bd0aef8482487a755cbb7d8144fa457b0c39e21caaf2590d0
ripemd-160 ab54cffa04713b0f2c694b82162ccce5eaf97ce0

18997047 as geometric shapes

Circle

Radius = n
Diameter 37994094
Circumference 119361966.5902
Area 1.1337624446632E+15

Sphere

Radius = n
Volume 2.8717517930803E+22
Surface area 4.5350497786529E+15
Circumference 119361966.5902

Square

Length = n
Perimeter 75988188
Area 360887794720209
Diagonal 26865881.512439

Cube

Length = n
Surface area 2165326768321254
Volume 6.8558023980262E+21
Space diagonal 32903850.597774

Equilateral Triangle

Length = n
Perimeter 56991141
Area 1.5626899907172E+14
Altitude 16451925.298887

Triangular Pyramid

Length = n
Surface area 1.5626899907172E+14
Volume 8.0796406101988E+20
Height 8955293.8374797