20698979 is an odd 8-digits composite number following 20698978
and preceding 20698980 . In scientific notation, it is written as 2.0698979 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 16070400 positive integers (up to 20698979) that are relatively prime to 20698979.
20698979 has 8 divisors, whose sum is 21010080
The reverse of 20698979 is 97989602
Previous prime number is 961
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty million six hundred ninety-eight thousand nine hundred seventy-nine
Scientific notation
2.0698979 × 10^7
Engineering notation
2.0698979 × 10^6
Prime Factorization
119 × 961 × 181
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20698979
Product of the distinct prime numbers
The prime factorization of 20698979 is 119 × 961 × 181.
Since it has a total of 3 prime factors.
3 , 10 , 60 , 2 , 188 , 808 , 6161 , 2160 , 17931 , 95123 , 580876 , 651652 , 9875610 , 6946938 , 63931044 , 46596930 , 179293964 , 48028180 , 883928490 , 9585339740
n×2
41397958
n×3
62096937
n×4
82795916
n×5
103494895
n÷2
10349489.5
n÷3
6899659.6666667
n÷3
5174744.75
n÷5
4139795.8
n2
428447731642441
n3
8.8684305998645E+21
n4
1.8356745874955E+29
n5
3.7996589737404E+36
2 √n
4549.6130604701
3 √n
274.56782364823
4 √n
67.450819568557
5 √n
29.052919769666
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
-20698978
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 20698979 can be divided by 8 positive divisors.
The sum of these divisors (counting 20698979) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111101011101100011
3
Ternary
1102221121122212
4
Quaternary
1032331131203
5
Quinary
20244331404
6
Senary
2015352335
8
Octal
116753543
10
Decimal
20698979
12
Duodecimal
6b226ab
16
Hexadecimal
13bd763
20
Vigesimal
69778j
36
Base36
cbnfn
md5
40ec790b5055c924298455f7583279e0
sha1
97d5b1842971ec2b6a3cc1deb3eeb2d9e3b70e05
sha256
9bd9604c579b59e1225ef5487eecdb8b917f353e3447a49f758a5b97e82d45b6
sha512
5c5703d71b941a7eb818ca1736b2ce412f93a2993591245043a5b4351f8029687e6fbe70168a23c923778d653716fb847947aa0b6b40b4e0e4741d1f43d3ac17
ripemd-160
7790557150ca0bc2bf5fbb49664c3e01a2b9f1c0
Diameter
41397958
Circumference
130055520.72642
Area
1.3460082461751E+15
Volume
3.714799522854E+22
Surface area
5.3840329847004E+15
Circumference
130055520.72642
Perimeter
82795916
Area
428447731642441
Diagonal
29272776.829076
Surface area
2570686389854646
Volume
8.8684305998645E+21
Space diagonal
35851683.292801
Perimeter
62096937
Area
1.8552330989809E+14
Altitude
17925841.646401
Surface area
1.8552330989809E+14
Volume
1.0451545692744E+21
Height
9757592.2763586