20997756 is an even 8-digits composite number following 20997755
and preceding 20997757 . In scientific notation, it is written as 2.0997756 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 6460704 positive integers (up to 20997756) that are relatively prime to 20997756.
20997756 has 12 divisors, whose sum is 37060968
The reverse of 20997756 is 65779902
Previous prime number is 117
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million nine hundred ninety-seven thousand seven hundred fifty-six
Scientific notation
2.0997756 × 10^7
Engineering notation
2.0997756 × 10^6
Prime Factorization
2 × 2 × 117 × 44867
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10498878
Product of the distinct prime numbers
The prime factorization of 20997756 is 2 × 2 × 117 × 44867.
Since it has a total of 4 prime factors.
10 , 1 , 45 , 64 , 775 , 770 , 2568 , 5737 , 51175 , 36193 , 736523 , 602238 , 7196950 , 2797383 , 80714971 , 21092961 , 527344920 , 390716167 , 6430219689 , 9884800773
n×2
41995512
n×3
62993268
n×4
83991024
n×5
104988780
n÷2
10498878
n÷3
6999252
n÷3
5249439
n÷5
4199551.2
n2
440905757035536
n3
9.2580315052275E+21
n4
1.9439788658708E+29
n5
4.0819193894712E+36
2 √n
4582.3308479419
3 √n
275.8825902629
4 √n
67.692915788448
5 √n
29.136311861228
1 , 2 , 4 , 117 , 234 , 468 , 44867 , 89734 , 179468 , 5249439 , 10498878 , 20997756
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
-20997755
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 20997756 can be divided by 12 positive divisors.
The sum of these divisors (counting 20997756) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000110011001111100
3
Ternary
1110111210111200
4
Quaternary
1100012121330
5
Quinary
20333412011
6
Senary
2030015500
8
Octal
120063174
10
Decimal
20997756
12
Duodecimal
7047590
16
Hexadecimal
140667c
20
Vigesimal
6b4e7g
36
Base36
ci1z0
md5
f6d8b2d95f93f59f785abe1ba4fb4f80
sha1
591be8e0802093e00b8c711f595e9a68230a705e
sha256
a75cd4430cfadba52dccd909b82339dbd4999c4595cbd18ccb67711022612587
sha512
b29f7c6bdfaf438dbabba8ce6ec5a4d537a244bbfd198d0d466f256be120344ac9c05feb398ad729c2d11956b4ddc0eb0f8fb926ad3875b628de782bb3a93401
ripemd-160
282c769ff003953e15f89686efa50406704174c9
Diameter
41995512
Circumference
131932791.98294
Area
1.3851462872283E+15
Volume
3.8779951684701E+22
Surface area
5.5405851489131E+15
Circumference
131932791.98294
Perimeter
83991024
Area
440905757035536
Diagonal
29695311.314601
Surface area
2645434542213216
Volume
9.2580315052275E+21
Space diagonal
36369180.236934
Perimeter
62993268
Area
1.9091779313379E+14
Altitude
18184590.118467
Surface area
1.9091779313379E+14
Volume
1.0910694762975E+21
Height
9898437.104867