20994940 is an even 8-digits composite number following 20994939
and preceding 20994941 . In scientific notation, it is written as 2.0994940 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 8397968 positive integers (up to 20994940) that are relatively prime to 20994940.
20994940 has 12 divisors, whose sum is 44089416
The reverse of 20994940 is 04949902
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nine hundred ninety-four thousand nine hundred forty
Scientific notation
2.0994940 × 10^7
Engineering notation
2.0994940 × 10^6
Prime Factorization
2 × 2 × 5 × 1049747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10497470
Product of the distinct prime numbers
The prime factorization of 20994940 is 2 × 2 × 5 × 1049747.
Since it has a total of 4 prime factors.
6 , 7 , 90 , 77 , 846 , 319 , 1087 , 1402 , 5107 , 96900 , 621196 , 317918 , 309690 , 3485856 , 59989794 , 90573517 , 470937793 , 688324958 , 5775455783 , 6728154276
n×2
41989880
n×3
62984820
n×4
83979760
n×5
104974700
n÷2
10497470
n÷3
6998313.3333333
n÷3
5248735
n÷5
4198988
n2
440787505603600
n3
9.2543072328972E+21
n4
1.9429362509624E+29
n5
4.0791830012781E+36
2 √n
4582.0235704326
3 √n
275.87025687982
4 √n
67.690646107366
5 √n
29.135530327659
1 , 2 , 4 , 5 , 10 , 20 , 1049747 , 2099494 , 4198988 , 5248735 , 10497470 , 20994940
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20994939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20994940 can be divided by 12 positive divisors.
The sum of these divisors (counting 20994940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000101101101111100
3
Ternary
1110111122122101
4
Quaternary
1100011231330
5
Quinary
20333314230
6
Senary
2025554444
8
Octal
120055574
10
Decimal
20994940
12
Duodecimal
7045a24
16
Hexadecimal
1405b7c
20
Vigesimal
6b4770
36
Base36
chzss
md5
0f89c10b710413967d826786ad3a0074
sha1
269bc960055d405d3715019ace9e5984ccc18a1b
sha256
6696657c6ef7ecb1308ebf6ad091a2f1e2034425a1844d2f7752e54cb43d6d4b
sha512
480b765d54547c01f5490f6a4d694a50b2410ffca4af0aa3c9fe009c2ab0f724b59018c15b57fa22b82bad7514b32af500e30c2ac51aee3a06849a933ba4830d
ripemd-160
30eff729df492b611b8c79efa370313767dbf2aa
Diameter
41989880
Circumference
131915098.53312
Area
1.3847747893984E+15
Volume
3.8764351489244E+22
Surface area
5.5390991575938E+15
Circumference
131915098.53312
Perimeter
83979760
Area
440787505603600
Diagonal
29691328.889209
Surface area
2644725033621600
Volume
9.2543072328972E+21
Space diagonal
36364302.78186
Perimeter
62984820
Area
1.9086658876175E+14
Altitude
18182151.39093
Surface area
1.9086658876175E+14
Volume
1.0906305665942E+21
Height
9897109.6297365