18998975 is an odd 8-digits composite number following 18998974
and preceding 18998976 . In scientific notation, it is written as 1.8998975 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 15199160 positive integers (up to 18998975) that are relatively prime to 18998975.
18998975 has 4 divisors, whose sum is 19758960
The reverse of 18998975 is 57989981
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
eighteen million nine hundred ninety-eight thousand nine hundred seventy-five
Scientific notation
1.8998975 × 10^7
Engineering notation
1.8998975 × 10^6
Prime Factorization
25 × 759959
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18998975
Product of the distinct prime numbers
The prime factorization of 18998975 is 25 × 759959.
Since it has a total of 2 prime factors.
1 , 2 , 76 , 19 , 814 , 76 , 5198 , 8568 , 33963 , 41088 , 726064 , 282999 , 4004671 , 926002 , 7439615 , 50408586 , 553900736 , 255314693 , 4904746924 , 5541876699
n×2
37997950
n×3
56996925
n×4
75995900
n×5
94994875
n÷2
9499487.5
n÷3
6332991.6666667
n÷3
4749743.75
n÷5
3799795
n2
360961051050625
n3
6.8578899848845E+21
n4
1.3029288037557E+29
n5
2.4754311769335E+36
2 √n
4358.7813663913
3 √n
266.83536634434
4 √n
66.021067595059
5 √n
28.559199765439
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18998974
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18998975 can be divided by 4 positive divisors.
The sum of these divisors (counting 18998975) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000011110011010111111
3
Ternary
1022202020200202
4
Quaternary
1020132122333
5
Quinary
14330431400
6
Senary
1515114115
8
Octal
110363277
10
Decimal
18998975
12
Duodecimal
644293b
16
Hexadecimal
121e6bf
20
Vigesimal
5ieh8f
36
Base36
bb7pb
md5
bf62471beef6e1d33536e4a418e528a3
sha1
d029a972ae450280941a2b0bf57fdbd27c4eb411
sha256
3514d377183e8b1d6482f3076b1c3d82656f2ffb4cee2b73ac6323b54935a3db
sha512
ea90141d754cb6fa8fbe65cf9d557c767f148e4c6127f60ab4804927b8276d666d8ff8108c36f614c1ec60fd3b0dddcc2a9f3aba65e1f76fd3335e879ef00604
ripemd-160
579bc4b9012079bb2c1ef6ba9c1d4e633ce2e9f6
Diameter
37997950
Circumference
119374080.57147
Area
1.1339925862127E+15
Volume
2.8726262394187E+22
Surface area
4.5359703448508E+15
Circumference
119374080.57147
Perimeter
75995900
Area
360961051050625
Diagonal
26868608.116187
Surface area
2165766306303750
Volume
6.8578899848845E+21
Space diagonal
32907189.991731
Perimeter
56996925
Area
1.5630071999329E+14
Altitude
16453594.995865
Surface area
1.5630071999329E+14
Volume
8.0821008549053E+20
Height
8956202.7053958