13818981 is an odd 8-digits composite number following 13818980
and preceding 13818982 . In scientific notation, it is written as 1.3818981 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 8342400 positive integers (up to 13818981) that are relatively prime to 13818981.
13818981 has 16 divisors, whose sum is 20179008
The reverse of 13818981 is 18981831
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
thirteen million eight hundred eighteen thousand nine hundred eighty-one
Scientific notation
1.3818981 × 10^7
Engineering notation
1.3818981 × 10^6
Prime Factorization
3 × 11 × 317 × 1321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
13818981
Product of the distinct prime numbers
The prime factorization of 13818981 is 3 × 11 × 317 × 1321.
Since it has a total of 4 prime factors.
4 , 6 , 65 , 47 , 970 , 927 , 9580 , 3839 , 71355 , 8609 , 32528 , 669250 , 7499725 , 2753531 , 15853018 , 45290060 , 725380950 , 160593156 , 4254943214 , 9519380151
n×2
27637962
n×3
41456943
n×4
55275924
n×5
69094905
n÷2
6909490.5
n÷3
4606327
n÷3
3454745.25
n÷5
2763796.2
n2
190964235878361
n3
2.6389311472826E+21
n4
3.6467339384606E+28
n5
5.0394147007643E+35
2 √n
3717.3890030504
3 √n
239.97095134532
4 √n
60.970394480029
5 √n
26.797557035583
1 , 3 , 11 , 33 , 317 , 951 , 1321 , 3487 , 3963 , 10461 , 14531 , 43593 , 418757 , 1256271 , 4606327 , 13818981
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
-13818980
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 13818981 can be divided by 16 positive divisors.
The sum of these divisors (counting 13818981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110100101101110001100101
3
Ternary
222000002002010
4
Quaternary
310231301211
5
Quinary
12014201411
6
Senary
1212104433
8
Octal
64556145
10
Decimal
13818981
12
Duodecimal
4765119
16
Hexadecimal
d2dc65
20
Vigesimal
467791
36
Base36
886sl
md5
81688fe292d8dcd6d1d8a25436866dfd
sha1
19b6b52fb9148d0990310139c5e8096332d3f0e2
sha256
e742fcf173cf64e18b596cb7b04ed08f665232eabfa7eb3470bf9bd07d5ed057
sha512
158904c0e4bc0af4efa42be9558c34281335ee83935e8fc3381acd763ee5a6bd802b98988582df15128391ef94feec243c94cf97dc780c7299db264461c688ca
ripemd-160
684cef0ffa9c5e6e2b918b824bcb7ea078a66351
Diameter
27637962
Circumference
86827218.379394
Area
5.9993184053385E+14
Volume
1.1053928940843E+22
Surface area
2.3997273621354E+15
Circumference
86827218.379394
Perimeter
55275924
Area
190964235878361
Diagonal
19542990.348376
Surface area
1145785415270166
Volume
2.6389311472826E+21
Space diagonal
23935177.200829
Perimeter
41456943
Area
82689939742472
Altitude
11967588.600414
Surface area
82689939742472
Volume
3.1100101822132E+20
Height
6514330.1161254