18898984 is an even 8-digits composite number following 18898983
and preceding 18898985 . In scientific notation, it is written as 1.8898984 × 10^7.
The sum of its digits is 55. It has a total of 5 prime factors and 16 positive divisors.
There are 8722560 positive integers (up to 18898984) that are relatively prime to 18898984.
18898984 has 16 divisors, whose sum is 38161620
The reverse of 18898984 is 48989881
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
eighteen million eight hundred ninety-eight thousand nine hundred eighty-four
Scientific notation
1.8898984 × 10^7
Engineering notation
1.8898984 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 181721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4724746
Product of the distinct prime numbers
The prime factorization of 18898984 is 2 × 2 × 2 × 13 × 181721.
Since it has a total of 5 prime factors.
7 , 10 , 48 , 10 , 4 , 798 , 7910 , 7786 , 7835 , 60423 , 909211 , 629984 , 1916345 , 8298261 , 61233985 , 72386185 , 604477069 , 976017882 , 2034893596 , 2400709089
n×2
37797968
n×3
56696952
n×4
75595936
n×5
94494920
n÷2
9449492
n÷3
6299661.3333333
n÷3
4724746
n÷5
3779796.8
n2
357171596232256
n3
6.7501802824479E+21
n4
1.275715491551E+29
n5
2.4109726663374E+36
2 √n
4347.296171185
3 √n
266.366427366
4 √n
65.934028931842
5 √n
28.529075048681
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 181721 , 363442 , 726884 , 1453768 , 2362373 , 4724746 , 9449492 , 18898984
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
-18898983
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 18898984 can be divided by 16 positive divisors.
The sum of these divisors (counting 18898984) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000000110000000101000
3
Ternary
1022120011112101
4
Quaternary
1020012000220
5
Quinary
14314231414
6
Senary
1513023144
8
Octal
110060050
10
Decimal
18898984
12
Duodecimal
63b4ab4
16
Hexadecimal
1206028
20
Vigesimal
5i2794
36
Base36
b92js
md5
0165c079950c742f4bc8d6a85dd61e85
sha1
91f68c9c19f87f1a195bd7bee77b19f8cf70e7c1
sha256
6bf2df439995feb4f7ca5c2c6c0f8957f5c509242c5d59c47940089366a7e17e
sha512
2566d693c718536386363264a2668856e77c7b23e3276e74f331ba1e8b31f60e3af34024ae4c5ea953d551fec03a45591953338e78a1cc1ddd9940b574c746ba
ripemd-160
74ec0cf072918c10a4ea5f6129e1b598b99f6c5b
Diameter
37797968
Circumference
118745818.58942
Area
1.1220876627942E+15
Volume
2.827508904766E+22
Surface area
4.4883506511768E+15
Circumference
118745818.58942
Perimeter
75595936
Area
357171596232256
Diagonal
26727199.487872
Surface area
2143029577393536
Volume
6.7501802824479E+21
Space diagonal
32734000.499431
Perimeter
56696952
Area
1.5465983792369E+14
Altitude
16367000.249716
Surface area
1.5465983792369E+14
Volume
7.955163753251E+20
Height
8909066.4959574