18984973 is an odd 8-digits composite number following 18984972
and preceding 18984974 . In scientific notation, it is written as 1.8984973 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 15894144 positive integers (up to 18984973) that are relatively prime to 18984973.
18984973 has 8 divisors, whose sum is 22202048
The reverse of 18984973 is 37948981
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighteen million nine hundred eighty-four thousand nine hundred seventy-three
Scientific notation
1.8984973 × 10^7
Engineering notation
1.8984973 × 10^6
Prime Factorization
7 × 43 × 63073
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18984973
Product of the distinct prime numbers
The prime factorization of 18984973 is 7 × 43 × 63073.
Since it has a total of 3 prime factors.
4 , 7 , 90 , 98 , 282 , 446 , 9510 , 558 , 46942 , 70577 , 627100 , 648686 , 4880296 , 7284247 , 73427261 , 93224614 , 717301071 , 512372936 , 3974305736 , 3748668978
n×2
37969946
n×3
56954919
n×4
75939892
n×5
94924865
n÷2
9492486.5
n÷3
6328324.3333333
n÷3
4746243.25
n÷5
3796994.6
n2
360429199810729
n3
6.8427386268183E+21
n4
1.299092080762E+29
n5
2.4663228077781E+36
2 √n
4357.1748874701
3 √n
266.76979882423
4 √n
66.008900062568
5 √n
28.554988971419
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
-18984972
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 18984973 can be divided by 8 positive divisors.
The sum of these divisors (counting 18984973) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011011000000001101
3
Ternary
1022201112111011
4
Quaternary
1020123000031
5
Quinary
14330004343
6
Senary
1514525221
8
Octal
110330015
10
Decimal
18984973
12
Duodecimal
6436811
16
Hexadecimal
121b00d
20
Vigesimal
5id28d
36
Base36
bawwd
md5
b8a5e544520a8650074a7f2d0a0c7ccd
sha1
97bc3459dee2a604fb52cbd6e053f235e5cbcf11
sha256
e04127bfd8125955fc1ec30701ebfa4d1f221d67f71e381b62412dcfb2af8b9c
sha512
494e9f81b8ce62e2f51eb7706249a5535d52a7cd6146f05384b5fd59cbf7cc7c39379b83f8dc249ac1deb953862f44d2948f804e74cfca8f911abf8fd6c07a7e
ripemd-160
386073caa8e78083a91f95a3a827a7baad53a0f1
Diameter
37969946
Circumference
119286103.4108
Area
1.1323217262646E+15
Volume
2.866279653393E+22
Surface area
4.5292869050585E+15
Circumference
119286103.4108
Perimeter
75939892
Area
360429199810729
Diagonal
26848806.297887
Surface area
2162575198864374
Volume
6.8427386268183E+21
Space diagonal
32882937.816323
Perimeter
56954919
Area
1.5607042165089E+14
Altitude
16441468.908162
Surface area
1.5607042165089E+14
Volume
8.0642448081839E+20
Height
8949602.0992957