18999768 is an even 8-digits composite number following 18999767
and preceding 18999769 . In scientific notation, it is written as 1.8999768 × 10^7.
The sum of its digits is 57. It has a total of 5 prime factors and 16 positive divisors.
There are 6333248 positive integers (up to 18999768) that are relatively prime to 18999768.
18999768 has 16 divisors, whose sum is 47499480
The reverse of 18999768 is 86799981
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 57
Digital Root 3
Name
eighteen million nine hundred ninety-nine thousand seven hundred sixty-eight
Scientific notation
1.8999768 × 10^7
Engineering notation
1.8999768 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 791657
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4749942
Product of the distinct prime numbers
The prime factorization of 18999768 is 2 × 2 × 2 × 3 × 791657.
Since it has a total of 5 prime factors.
5 , 6 , 31 , 55 , 545 , 342 , 2959 , 9851 , 63034 , 73177 , 840493 , 987601 , 1948425 , 8449598 , 32462953 , 68756728 , 625888190 , 765886057 , 1216122964 , 4933659024
n×2
37999536
n×3
56999304
n×4
75999072
n×5
94998840
n÷2
9499884
n÷3
6333256
n÷3
4749942
n÷5
3799953.6
n2
360991184053824
n3
6.858748747068E+21
n4
1.3031463496458E+29
n5
2.4759478313317E+36
2 √n
4358.8723312343
3 √n
266.83907878149
4 √n
66.021756499159
5 √n
28.559438168482
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 791657 , 1583314 , 2374971 , 3166628 , 4749942 , 6333256 , 9499884 , 18999768
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
-18999767
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 18999768 can be divided by 16 positive divisors.
The sum of these divisors (counting 18999768) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011110100111011000
3
Ternary
1022202021210010
4
Quaternary
1020132213120
5
Quinary
14330443033
6
Senary
1515121520
8
Octal
110364730
10
Decimal
18999768
12
Duodecimal
64432a0
16
Hexadecimal
121e9d8
20
Vigesimal
5iej88
36
Base36
bb8bc
md5
84f58b413fbc584e02ab39da69f3cea2
sha1
51d7f508e982e7474f9b2bddacdca78151207649
sha256
40a40262c6f2832bd16738e5f689a565690aec31dbf59c74d44be14eec109ee1
sha512
1f84de919778c1d84f02e6e9ef44727d65156f434cac6a29a56841b9edc0e86d580d89b7bdd5d5eddcd647b94fd829ab6b8a40d2a85a0b4e999ca86080efc231
ripemd-160
9342998226541674c9652daf7c654f42ed17c6da
Diameter
37999536
Circumference
119379063.13742
Area
1.1340872518342E+15
Volume
2.8729859568809E+22
Surface area
4.5363490073367E+15
Circumference
119379063.13742
Perimeter
75999072
Area
360991184053824
Diagonal
26869729.587542
Surface area
2165947104322944
Volume
6.858748747068E+21
Space diagonal
32908563.508021
Perimeter
56999304
Area
1.5631376796642E+14
Altitude
16454281.754011
Surface area
1.5631376796642E+14
Volume
8.0831129158441E+20
Height
8956576.5291808