13812981 is an odd 8-digits composite number following 13812980
and preceding 13812982 . In scientific notation, it is written as 1.3812981 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6899904 positive integers (up to 13812981) that are relatively prime to 13812981.
13812981 has 16 divisors, whose sum is 16410240
The reverse of 13812981 is 18921831
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirteen million eight hundred twelve thousand nine hundred eighty-one
Scientific notation
1.3812981 × 10^7
Engineering notation
1.3812981 × 10^6
Prime Factorization
21 × 13 × 19 × 2663
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
13812981
Product of the distinct prime numbers
The prime factorization of 13812981 is 21 × 13 × 19 × 2663.
Since it has a total of 4 prime factors.
8 , 7 , 85 , 13 , 547 , 395 , 6633 , 2600 , 90144 , 48350 , 864456 , 839570 , 8245351 , 3331127 , 76736643 , 55493291 , 446638638 , 999642387 , 518892585 , 8629348743
n×2
27625962
n×3
41438943
n×4
55251924
n×5
69064905
n÷2
6906490.5
n÷3
4604327
n÷3
3453245.25
n÷5
2762596.2
n2
190798444106361
n3
2.6354952832707E+21
n4
3.6404046273408E+28
n5
5.0284839949771E+35
2 √n
3716.5818973891
3 √n
239.93621568856
4 √n
60.963775288191
5 √n
26.79522960965
1 , 13 , 19 , 21 , 247 , 273 , 399 , 2663 , 5187 , 34619 , 50597 , 55923 , 657761 , 726999 , 1062537 , 13812981
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
-13812980
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 13812981 can be divided by 16 positive divisors.
The sum of these divisors (counting 13812981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110100101100010011110101
3
Ternary
221222202211220
4
Quaternary
310230103311
5
Quinary
12014003411
6
Senary
1212020553
8
Octal
64542365
10
Decimal
13812981
12
Duodecimal
4761759
16
Hexadecimal
d2c4f5
20
Vigesimal
466c91
36
Base36
8825x
md5
0d80d9628a4dee30c6dbf061eafb703b
sha1
d3eece396e31799b7643fd3bc83c519be6226830
sha256
24122435a93b9425b9a5ae6130f846a110ab444c37473b6de5cc1493133031c3
sha512
d360010b536b8eabbea3acec6bb16b5e85ad880519368fb998ef61063ba9213e1953081b39daaf0166e008fd16da0584c3ce9626fc39c97c5c48f6645bf6ed94
ripemd-160
d637788c95bfd2a83c4ff75102636285373c1ef8
Diameter
27625962
Circumference
86789519.267551
Area
5.9941099032091E+14
Volume
1.1039536827325E+22
Surface area
2.3976439612836E+15
Circumference
86789519.267551
Perimeter
55251924
Area
190798444106361
Diagonal
19534505.067002
Surface area
1144790664638166
Volume
2.6354952832707E+21
Space diagonal
23924784.895984
Perimeter
41438943
Area
82618149799327
Altitude
11962392.447992
Surface area
82618149799327
Volume
3.1059609776432E+20
Height
6511501.6890006