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.
18997047 has 8 divisors, whose sum is 21454480
The reverse of 18997047 is 74079981
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million nine hundred ninety-seven thousand forty-seven
Scientific notation
1.8997047 × 10^7
Engineering notation
1.8997047 × 10^6
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.
1 , 3 , 45 , 50 , 347 , 658 , 9032 , 953 , 42392 , 22241 , 778303 , 738128 , 550284 , 44525 , 48282411 , 37080974 , 511344121 , 612428849 , 3239784874 , 3065540839
n×2
37994094
n×3
56991141
n×4
75988188
n×5
94985235
n÷2
9498523.5
n÷3
6332349
n÷3
4749261.75
n÷5
3799409.4
n2
360887794720209
n3
6.8558023980262E+21
n4
1.3024000037802E+29
n5
2.4741754084612E+36
2 √n
4358.5601980471
3 √n
266.82633996284
4 √n
66.019392590716
5 √n
28.558620109196
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
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
md5
90f16e92dd1a7d072b3a67336f1ad550
sha1
13d35e32754abce70b380c40808b8171a424050f
sha256
f4be857307d5a974ad77e9f07d49529fc0f88599fac647212c4e829747998e72
sha512
08891ee3b22c4b82417afff65f501d1617b3d680a8bd70489ed55989360e427947282d03f61e735bd0aef8482487a755cbb7d8144fa457b0c39e21caaf2590d0
ripemd-160
ab54cffa04713b0f2c694b82162ccce5eaf97ce0
Diameter
37994094
Circumference
119361966.5902
Area
1.1337624446632E+15
Volume
2.8717517930803E+22
Surface area
4.5350497786529E+15
Circumference
119361966.5902
Perimeter
75988188
Area
360887794720209
Diagonal
26865881.512439
Surface area
2165326768321254
Volume
6.8558023980262E+21
Space diagonal
32903850.597774
Perimeter
56991141
Area
1.5626899907172E+14
Altitude
16451925.298887
Surface area
1.5626899907172E+14
Volume
8.0796406101988E+20
Height
8955293.8374797