20972689 is an odd 8-digits composite number following 20972688
and preceding 20972690 . In scientific notation, it is written as 2.0972689 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 20211360 positive integers (up to 20972689) that are relatively prime to 20972689.
20972689 has 8 divisors, whose sum is 21746592
The reverse of 20972689 is 98627902
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million nine hundred seventy-two thousand six hundred eighty-nine
Scientific notation
2.0972689 × 10^7
Engineering notation
2.0972689 × 10^6
Prime Factorization
41 × 83 × 6163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20972689
Product of the distinct prime numbers
The prime factorization of 20972689 is 41 × 83 × 6163.
Since it has a total of 3 prime factors.
8 , 3 , 69 , 12 , 344 , 122 , 2062 , 2479 , 51992 , 35153 , 203054 , 256588 , 3987721 , 3772682 , 73870595 , 56834021 , 826022617 , 822570435 , 4929939012 , 6145727248
n×2
41945378
n×3
62918067
n×4
83890756
n×5
104863445
n÷2
10486344.5
n÷3
6990896.3333333
n÷3
5243172.25
n÷5
4194537.8
n2
439853683890721
n3
9.2249145177444E+21
n4
1.9347126323224E+29
n5
4.0576126342069E+36
2 √n
4579.5948510758
3 √n
275.77276419973
4 √n
67.67270388477
5 √n
29.129351984761
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
-20972688
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 20972689 can be divided by 8 positive divisors.
The sum of these divisors (counting 20972689) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000000010010010001
3
Ternary
1110110112010021
4
Quaternary
1100000102101
5
Quinary
20332111224
6
Senary
2025303441
8
Octal
120002221
10
Decimal
20972689
12
Duodecimal
7034b81
16
Hexadecimal
1400491
20
Vigesimal
6b1be9
36
Base36
chimp
md5
fa4362fcf427b8953a3624b5b9a661cb
sha1
b7885be1c265abe275949673a5b118375fd33cf4
sha256
c2511e018928aff01fab4382cd8fbfc0a99b59eb2cd77cbe016cfad4a50fc30c
sha512
cfa47099b444d0242d8a6bd40cad49b5c79cc2af0d81e25a7075ccc36e629152d32c3d701a0d534bf6a3f71d17e50625f5cdd1e9e792f7341c7eca0cea6016c8
ripemd-160
cb8ea15ea437c06fa9ec18a9b3c8384dd6696a60
Diameter
41945378
Circumference
131775291.37685
Area
1.3818411019655E+15
Volume
3.864123157192E+22
Surface area
5.527364407862E+15
Circumference
131775291.37685
Perimeter
83890756
Area
439853683890721
Diagonal
29659861.223233
Surface area
2639122103344326
Volume
9.2249145177444E+21
Space diagonal
36325762.919341
Perimeter
62918067
Area
1.9046223209877E+14
Altitude
18162881.45967
Surface area
1.9046223209877E+14
Volume
1.0871666018939E+21
Height
9886620.4077443