20997654 is an even 8-digits composite number following 20997653
and preceding 20997655 . In scientific notation, it is written as 2.0997654 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 6999216 positive integers (up to 20997654) that are relatively prime to 20997654.
20997654 has 8 divisors, whose sum is 41995320
The reverse of 20997654 is 45679902
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million nine hundred ninety-seven thousand six hundred fifty-four
Scientific notation
2.0997654 × 10^7
Engineering notation
2.0997654 × 10^6
Prime Factorization
2 × 3 × 3499609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20997654
Product of the distinct prime numbers
The prime factorization of 20997654 is 2 × 3 × 3499609.
Since it has a total of 3 prime factors.
5 , 8 , 37 , 34 , 644 , 563 , 6477 , 1631 , 47306 , 48885 , 862997 , 257914 , 2468415 , 6487233 , 80363088 , 57138241 , 992703570 , 723711202 , 3892384500 , 8087896648
n×2
41995308
n×3
62992962
n×4
83990616
n×5
104988270
n÷2
10498827
n÷3
6999218
n÷3
5249413.5
n÷5
4199530.8
n2
440901473503716
n3
9.2578965887212E+21
n4
1.9439410933775E+29
n5
4.0818202475122E+36
2 √n
4582.3197182213
3 √n
275.88214354739
4 √n
67.692833580973
5 √n
29.136283554302
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
-20997653
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 20997654 can be divided by 8 positive divisors.
The sum of these divisors (counting 20997654) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000110011000010110
3
Ternary
1110111210100220
4
Quaternary
1100012120112
5
Quinary
20333411104
6
Senary
2030015210
8
Octal
120063026
10
Decimal
20997654
12
Duodecimal
7047506
16
Hexadecimal
1406616
20
Vigesimal
6b4e2e
36
Base36
ci1w6
md5
cecee472cfd1915f896f69542e1144d4
sha1
88c320963883cffdd742029044062e38dbb1dccf
sha256
c88a8ec670eadc7e3ab85156f7e09b50884d2fa16147d1ba8fa62a2dc927b46d
sha512
63ea4905e85d1034eeec68b30824c79ef6487c7d05f03bd55022b4e0b9ee691c8c96717e325e8461446bf0f0ebfb7b580b60119eb5ca31b664936a2b2c0276f1
ripemd-160
d6c6d4b1b76f0a53d3a877b1fe9be2de60bf2cea
Diameter
41995308
Circumference
131932151.09804
Area
1.3851328301162E+15
Volume
3.8779386547761E+22
Surface area
5.5405313204648E+15
Circumference
131932151.09804
Perimeter
83990616
Area
440901473503716
Diagonal
29695167.064818
Surface area
2645408841022296
Volume
9.2578965887212E+21
Space diagonal
36369003.567752
Perimeter
62992962
Area
1.909159383101E+14
Altitude
18184501.783876
Surface area
1.909159383101E+14
Volume
1.0910535762348E+21
Height
9898389.0216059