20994953 is an odd 8-digits composite number following 20994952
and preceding 20994954 . In scientific notation, it is written as 2.0994953 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 17974656 positive integers (up to 20994953) that are relatively prime to 20994953.
20994953 has 8 divisors, whose sum is 24022272
The reverse of 20994953 is 35949902
Previous prime number is 2017
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million nine hundred ninety-four thousand nine hundred fifty-three
Scientific notation
2.0994953 × 10^7
Engineering notation
2.0994953 × 10^6
Prime Factorization
7 × 2017 × 1487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20994953
Product of the distinct prime numbers
The prime factorization of 20994953 is 7 × 2017 × 1487.
Since it has a total of 3 prime factors.
3 , 7 , 61 , 4 , 946 , 658 , 8428 , 5757 , 29852 , 51944 , 297218 , 630517 , 3879710 , 9749566 , 45521481 , 51741986 , 404790195 , 617932383 , 2671037003 , 7764994801
n×2
41989906
n×3
62984859
n×4
83979812
n×5
104974765
n÷2
10497476.5
n÷3
6998317.6666667
n÷3
5248738.25
n÷5
4198990.6
n2
440788051472209
n3
9.2543244236206E+21
n4
1.9429410632067E+29
n5
4.0791956303794E+36
2 √n
4582.0249890196
3 √n
275.87031381913
4 √n
67.690656585821
5 √n
29.135533935784
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20994952
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20994953 can be divided by 8 positive divisors.
The sum of these divisors (counting 20994953) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000101101110001001
3
Ternary
1110111122122212
4
Quaternary
1100011232021
5
Quinary
20333314303
6
Senary
2025554505
8
Octal
120055611
10
Decimal
20994953
12
Duodecimal
7045a35
16
Hexadecimal
1405b89
20
Vigesimal
6b477d
36
Base36
chzt5
md5
9802b8bc776fb7c06ec8c3bb442eda0d
sha1
0d88ebd2b3b01f2e6d07fecf3175210113e5bbe4
sha256
77d3f8665e44472c9a64036f4de3d336a3a5f90ebc1fd7e30506ac2d72812f67
sha512
b75ca9706ed26782ad38328452a90abc5785d99238dce7bbfb8f6c32ec8a3466e713c95be0fd76441c748fc9b79a10d7eab2133ec8acc882059e78c8e4819342
ripemd-160
17cc02c3745fdfd60cbef960af10294a97f430e9
Diameter
41989906
Circumference
131915180.21453
Area
1.3847765042953E+15
Volume
3.8764423497577E+22
Surface area
5.539106017181E+15
Circumference
131915180.21453
Perimeter
83979812
Area
440788051472209
Diagonal
29691347.273986
Surface area
2644728308833254
Volume
9.2543244236206E+21
Space diagonal
36364325.298521
Perimeter
62984859
Area
1.9086682512979E+14
Altitude
18182162.64926
Surface area
1.9086682512979E+14
Volume
1.0906325925404E+21
Height
9897115.7579952