20981344 is an even 8-digits composite number following 20981343
and preceding 20981345 . In scientific notation, it is written as 2.0981344 × 10^7.
The sum of its digits is 31. It has a total of 7 prime factors and 24 positive divisors.
There are 10311936 positive integers (up to 20981344) that are relatively prime to 20981344.
20981344 has 24 divisors, whose sum is 42010920
The reverse of 20981344 is 44318902
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred eighty-one thousand three hundred forty-four
Scientific notation
2.0981344 × 10^7
Engineering notation
2.0981344 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 59 × 11113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1311334
Product of the distinct prime numbers
The prime factorization of 20981344 is 2 × 2 × 2 × 2 × 2 × 59 × 11113.
Since it has a total of 7 prime factors.
10 , 7 , 48 , 76 , 448 , 760 , 5267 , 908 , 40115 , 88786 , 751051 , 140769 , 3253277 , 6853251 , 25568385 , 15078683 , 107804483 , 71397351 , 1610950558 , 6430488148
n×2
41962688
n×3
62944032
n×4
83925376
n×5
104906720
n÷2
10490672
n÷3
6993781.3333333
n÷3
5245336
n÷5
4196268.8
n2
440216796046336
n3
9.236340032426E+21
n4
1.937908275213E+29
n5
4.0659920162691E+36
2 √n
4580.5397061918
3 √n
275.81069424325
4 √n
67.679684589926
5 √n
29.131755805604
1 , 2 , 4 , 8 , 16 , 32 , 59 , 118 , 236 , 472 , 944 , 1888 , 11113 , 22226 , 44452 , 88904 , 177808 , 355616 , 655667 , 1311334 , 2622668 , 5245336 , 10490672 , 20981344
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20981343
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20981344 can be divided by 24 positive divisors.
The sum of these divisors (counting 20981344) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000010011001100000
3
Ternary
1110110221222211
4
Quaternary
1100002121200
5
Quinary
20332400334
6
Senary
2025411504
8
Octal
120023140
10
Decimal
20981344
12
Duodecimal
7039b94
16
Hexadecimal
1402660
20
Vigesimal
6b2d74
36
Base36
chpb4
md5
3c6819f153d434ed50f09057d54fc9e1
sha1
306219edd04c06c768e6b4914d2b2d99cb782da6
sha256
446e8e308b0c44e2672932141a822611529877f9d09ed06ef1763d93febc10b0
sha512
6a59ea3e83ce530a4493b109376694f66f94c6598567019ea0bcee0f1359fab1b2dcb8a275896f245b5d455f66c8cdfb9942fb2292ef24a36fdea468bde8bcea
ripemd-160
f142b65ef1def08ee47875ccfc15b619e5597748
Diameter
41962688
Circumference
131829672.34568
Area
1.382981852446E+15
Volume
3.8689090655903E+22
Surface area
5.531927409784E+15
Circumference
131829672.34568
Perimeter
83925376
Area
440216796046336
Diagonal
29672101.241615
Surface area
2641300776278016
Volume
9.236340032426E+21
Space diagonal
36340753.81908
Perimeter
62944032
Area
1.9061946427436E+14
Altitude
18170376.90954
Surface area
1.9061946427436E+14
Volume
1.0885131117122E+21
Height
9890700.4138718