20679989 is an odd 8-digits composite number following 20679988
and preceding 20679990 . In scientific notation, it is written as 2.0679989 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 18701760 positive integers (up to 20679989) that are relatively prime to 20679989.
20679989 has 12 divisors, whose sum is 22849932
The reverse of 20679989 is 98997602
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty million six hundred seventy-nine thousand nine hundred eighty-nine
Scientific notation
2.0679989 × 10^7
Engineering notation
2.0679989 × 10^6
Prime Factorization
11 × 11 × 277 × 617
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1879999
Product of the distinct prime numbers
The prime factorization of 20679989 is 11 × 11 × 277 × 617.
Since it has a total of 4 prime factors.
3 , 6 , 63 , 51 , 818 , 132 , 5777 , 8547 , 37383 , 9355 , 291551 , 213674 , 8155198 , 2906522 , 45004482 , 4033092 , 894723919 , 624950092 , 2290265385 , 5057209841
n×2
41359978
n×3
62039967
n×4
82719956
n×5
103399945
n÷2
10339994.5
n÷3
6893329.6666667
n÷3
5169997.25
n÷5
4135997.8
n2
427661945040121
n3
8.8440443191483E+21
n4
1.828947392355E+29
n5
3.782261195548E+36
2 √n
4547.5255909121
3 √n
274.4838317711
4 √n
67.435343781374
5 √n
29.047586970176
1 , 11 , 121 , 277 , 617 , 3047 , 6787 , 33517 , 74657 , 170909 , 1879999 , 20679989
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
-20679988
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 20679989 can be divided by 12 positive divisors.
The sum of these divisors (counting 20679989) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111000110100110101
3
Ternary
1102220122121112
4
Quaternary
1032320310311
5
Quinary
20243224424
6
Senary
2015124405
8
Octal
116706465
10
Decimal
20679989
12
Duodecimal
6b13705
16
Hexadecimal
13b8d35
20
Vigesimal
694jj9
36
Base36
cb8s5
md5
3d1f9fdefe9b68bc4937d5cf82e03821
sha1
91536a008b38e43178b6b2078b1595a609d28621
sha256
f35def528177409e0dc12d4c4f136a736d03c8d04262c411ba9af243219f38e4
sha512
c83b1753a22874345b947ff57bec0446c24d9a69908093d03319875bc49e131f6db08bc1c2a70916de2ae28a8fb44761dc799559f65229ee0fe1cccce72229cb
ripemd-160
ea4ad098baa63197cc957527997f62450bb1dcd8
Diameter
41359978
Circumference
129936203.03744
Area
1.343539624758E+15
Volume
3.7045846214745E+22
Surface area
5.3741584990319E+15
Circumference
129936203.03744
Perimeter
82719956
Area
427661945040121
Diagonal
29245920.913526
Surface area
2565971670240726
Volume
8.8440443191483E+21
Space diagonal
35818791.647965
Perimeter
62039967
Area
1.851830543183E+14
Altitude
17909395.823983
Surface area
1.851830543183E+14
Volume
1.0422806185307E+21
Height
9748640.3045088