18668718 is an even 8-digits composite number following 18668717
and preceding 18668719 . In scientific notation, it is written as 1.8668718 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 6147576 positive integers (up to 18668718) that are relatively prime to 18668718.
18668718 has 32 divisors, whose sum is 32659200
The reverse of 18668718 is 81786681
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million six hundred sixty-eight thousand seven hundred eighteen
Scientific notation
1.8668718 × 10^7
Engineering notation
1.8668718 × 10^6
Prime Factorization
2 × 27 × 9 × 107 × 359
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18668718
Product of the distinct prime numbers
The prime factorization of 18668718 is 2 × 27 × 9 × 107 × 359.
Since it has a total of 5 prime factors.
7 , 4 , 69 , 97 , 563 , 239 , 9338 , 8628 , 55677 , 11005 , 368833 , 859914 , 1640655 , 6778369 , 36000405 , 29644411 , 899489773 , 964494711 , 841739930 , 952099657
n×2
37337436
n×3
56006154
n×4
74674872
n×5
93343590
n÷2
9334359
n÷3
6222906
n÷3
4667179.5
n÷5
3733743.6
n2
348521031763524
n3
6.5064408590623E+21
n4
1.2146690958151E+29
n5
2.2676314813087E+36
2 √n
4320.7311881208
3 √n
265.28019728084
4 √n
65.732269001768
5 √n
28.45921385198
1 , 2 , 9 , 18 , 27 , 54 , 107 , 214 , 243 , 359 , 486 , 718 , 963 , 1926 , 2889 , 3231 , 5778 , 6462 , 9693 , 19386 , 26001 , 38413 , 52002 , 76826 , 87237 , 174474 , 345717 , 691434 , 1037151 , 2074302 , 9334359 , 18668718
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18668717
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18668718 can be divided by 32 positive divisors.
The sum of these divisors (counting 18668718) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000111001101110010101110
3
Ternary
1022010110200000
4
Quaternary
1013031302232
5
Quinary
14234344333
6
Senary
1504045130
8
Octal
107156256
10
Decimal
18668718
12
Duodecimal
63037a6
16
Hexadecimal
11cdcae
20
Vigesimal
5gdbfi
36
Base36
b44vi
md5
c2ffafdd1dbf4171893f06379aba72b0
sha1
88f82cb2c8441223e2de435656d54efff9bf8115
sha256
287a386a9956c2d38c062b8222aea0b10ec9ec56e98bb306482066fcc95d1420
sha512
d07259e0bd3cf52af71387dfe69174eadabd48d20b18f5a1d96aa9ef91f5e318e3d2df7651b3014f30762bc6544ea4cda94d69d7e5d3f13d05f1a7fc80ac7b67
ripemd-160
e4d594e7d47c0bf424f1bf0d438626ccf358249b
Diameter
37337436
Circumference
117299014.64148
Area
1.0949111130098E+15
Volume
2.7254115738462E+22
Surface area
4.3796444520393E+15
Circumference
117299014.64148
Perimeter
74674872
Area
348521031763524
Diagonal
26401554.187719
Surface area
2091126190581144
Volume
6.5064408590623E+21
Space diagonal
32335168.088176
Perimeter
56006154
Area
1.5091403363019E+14
Altitude
16167584.044088
Surface area
1.5091403363019E+14
Volume
7.6679140880536E+20
Height
8800518.0625729