20984979 is an odd 8-digits composite number following 20984978
and preceding 20984980 . In scientific notation, it is written as 2.0984979 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 13634400 positive integers (up to 20984979) that are relatively prime to 20984979.
20984979 has 16 divisors, whose sum is 28698624
The reverse of 20984979 is 97948902
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty million nine hundred eighty-four thousand nine hundred seventy-nine
Scientific notation
2.0984979 × 10^7
Engineering notation
2.0984979 × 10^6
Prime Factorization
3 × 53 × 191 × 691
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20984979
Product of the distinct prime numbers
The prime factorization of 20984979 is 3 × 53 × 191 × 691.
Since it has a total of 4 prime factors.
10 , 3 , 44 , 6 , 887 , 510 , 3276 , 250 , 12617 , 35695 , 213777 , 655364 , 1182639 , 599213 , 66387457 , 61619776 , 609758178 , 500295005 , 3682869193 , 7246522037
n×2
41969958
n×3
62954937
n×4
83939916
n×5
104924895
n÷2
10492489.5
n÷3
6994993
n÷3
5246244.75
n÷5
4196995.8
n2
440369343630441
n3
9.2411414283286E+21
n4
1.9392515880951E+29
n5
4.0695153851891E+36
2 √n
4580.9364763114
3 √n
275.82662131289
4 √n
67.682615761445
5 √n
29.132765146041
1 , 3 , 53 , 159 , 191 , 573 , 691 , 2073 , 10123 , 30369 , 36623 , 109869 , 131981 , 395943 , 6994993 , 20984979
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20984978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20984979 can be divided by 16 positive divisors.
The sum of these divisors (counting 20984979) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000011010010010011
3
Ternary
1110111010222110
4
Quaternary
1100003102103
5
Quinary
20333004404
6
Senary
2025440403
8
Octal
120032223
10
Decimal
20984979
12
Duodecimal
7040103
16
Hexadecimal
1403493
20
Vigesimal
6b328j
36
Base36
chs43
md5
f389cc156b25bf762daebbdc55baa864
sha1
7c96441f9025ba1e2afa052f18e947f45587940b
sha256
b9cfb07d257ede6e67a283ba975d06c873126afaa7d2805102211206b56e32c3
sha512
59bc4f751582688734fdcc745263bb05108e26b98c5d2f048c792a6a4602083819be15aed953c3bafddb2f3aeab8899dfd7c3bb9c9863c3e581ee8923f850ec4
ripemd-160
916f40e4bd677c7bd292ebc8de101fffc89695ec
Diameter
41969958
Circumference
131852511.72427
Area
1.3834610948156E+15
Volume
3.8709202696029E+22
Surface area
5.5338443792622E+15
Circumference
131852511.72427
Perimeter
83939916
Area
440369343630441
Diagonal
29677241.907915
Surface area
2642216061782646
Volume
9.2411414283286E+21
Space diagonal
36347049.823766
Perimeter
62954937
Area
1.9068551931592E+14
Altitude
18173524.911883
Surface area
1.9068551931592E+14
Volume
1.0890789616458E+21
Height
9892413.9693049