18997923 is an odd 8-digits composite number following 18997922
and preceding 18997924 . In scientific notation, it is written as 1.8997923 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 10855944 positive integers (up to 18997923) that are relatively prime to 18997923.
18997923 has 8 divisors, whose sum is 28949248
The reverse of 18997923 is 32979981
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighteen million nine hundred ninety-seven thousand nine hundred twenty-three
Scientific notation
1.8997923 × 10^7
Engineering notation
1.8997923 × 10^6
Prime Factorization
3 × 7 × 904663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18997923
Product of the distinct prime numbers
The prime factorization of 18997923 is 3 × 7 × 904663.
Since it has a total of 3 prime factors.
9 , 9 , 43 , 43 , 531 , 126 , 7159 , 4645 , 20480 , 5393 , 901453 , 852139 , 2372330 , 8220832 , 7872022 , 24125463 , 145385190 , 939849376 , 9420346643 , 8272640254
n×2
37995846
n×3
56993769
n×4
75991692
n×5
94989615
n÷2
9498961.5
n÷3
6332641
n÷3
4749480.75
n÷5
3799584.6
n2
360921078313929
n3
6.856750854885E+21
n4
1.3026402477129E+29
n5
2.474745912275E+36
2 √n
4358.6606887896
3 √n
266.83044123677
4 √n
66.02015365621
5 √n
28.558883485812
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
-18997922
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 18997923 can be divided by 8 positive divisors.
The sum of these divisors (counting 18997923) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011110001010100011
3
Ternary
1022202012020210
4
Quaternary
1020132022203
5
Quinary
14330413143
6
Senary
1515105203
8
Octal
110361243
10
Decimal
18997923
12
Duodecimal
6442203
16
Hexadecimal
121e2a3
20
Vigesimal
5ieeg3
36
Base36
bb6w3
md5
25050a0d5b4416c648193c05812666f7
sha1
97c1846d0b49dd8d2b6776b526f0dcf75802dc42
sha256
320f22d63ebbf23cac24bd6189cbcb0f5881904ea8ddc991cd38dbddc8cb86d7
sha512
f97db1b422c6d40c202a49ae0ef96a94874ab86fe18586d58e9c4356478f25c42b85416e2c658ef33d0da4db7d0db155fcf6b5b7e3ba79ae2a6c841a0f0246e8
ripemd-160
f76c71f663423dd69837f390bb4ab0b9fc20262a
Diameter
37995846
Circumference
119367470.66053
Area
1.1338670081567E+15
Volume
2.8721490817603E+22
Surface area
4.535468032627E+15
Circumference
119367470.66053
Perimeter
75991692
Area
360921078313929
Diagonal
26867120.36352
Surface area
2165526469883574
Volume
6.856750854885E+21
Space diagonal
32905367.874281
Perimeter
56993769
Area
1.5628341129057E+14
Altitude
16452683.937141
Surface area
1.5628341129057E+14
Volume
8.0807583773264E+20
Height
8955706.7878399