18388514 is an even 8-digits composite number following 18388513
and preceding 18388515 . In scientific notation, it is written as 1.8388514 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 9013680 positive integers (up to 18388514) that are relatively prime to 18388514.
18388514 has 16 divisors, whose sum is 28129920
The reverse of 18388514 is 41588381
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million three hundred eighty-eight thousand five hundred fourteen
Scientific notation
1.8388514 × 10^7
Engineering notation
1.8388514 × 10^6
Prime Factorization
2 × 181 × 79 × 643
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18388514
Product of the distinct prime numbers
The prime factorization of 18388514 is 2 × 181 × 79 × 643.
Since it has a total of 4 prime factors.
8 , 8 , 96 , 90 , 516 , 56 , 3994 , 2714 , 96751 , 45061 , 956170 , 66246 , 3962181 , 3373578 , 96919137 , 22667737 , 651122017 , 821373247 , 3627988444 , 6683510170
n×2
36777028
n×3
55165542
n×4
73554056
n×5
91942570
n÷2
9194257
n÷3
6129504.6666667
n÷3
4597128.5
n÷5
3677702.8
n2
338137447128196
n3
6.2178451804411E+21
n4
1.1433693315037E+29
n5
2.1024862959527E+36
2 √n
4288.1830651221
3 √n
263.94627962647
4 √n
65.484219970326
5 √n
28.373265827036
1 , 2 , 79 , 158 , 181 , 362 , 643 , 1286 , 14299 , 28598 , 50797 , 101594 , 116383 , 232766 , 9194257 , 18388514
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
-18388513
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 18388514 can be divided by 16 positive divisors.
The sum of these divisors (counting 18388514) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110001001011000100010
3
Ternary
1021121020022002
4
Quaternary
1012021120202
5
Quinary
14201413024
6
Senary
1454044002
8
Octal
106113042
10
Decimal
18388514
12
Duodecimal
61a9602
16
Hexadecimal
1189622
20
Vigesimal
5eib5e
36
Base36
ay4o2
md5
6d6dc35f493f88cb7943fd7e9f0f8d6e
sha1
8bb9bb3a7358f26995c0e91ea65d861487d18dbf
sha256
d6a0c79e90798487fca846e590b1474aedd5734b4f65665f0b6709ba651d5ab5
sha512
1b892cc14c0a2fc99ff475ecc500f8842ceddd076a3b7bb4284607da234ee56dcda8768c379cfb377bd57f156cf8f491c8fc30e121c54edad4b5f13b7851fa9f
ripemd-160
82b12440de12b1d3a2e0c40a3d9fbff5423813d4
Diameter
36777028
Circumference
115538440.98567
Area
1.0622901198015E+15
Volume
2.604524898671E+22
Surface area
4.2491604792062E+15
Circumference
115538440.98567
Perimeter
73554056
Area
338137447128196
Diagonal
26005285.890688
Surface area
2028824682769176
Volume
6.2178451804411E+21
Space diagonal
31849840.523692
Perimeter
55165542
Area
1.4641780959192E+14
Altitude
15924920.261846
Surface area
1.4641780959192E+14
Volume
7.3278008190966E+20
Height
8668428.6302292