20984946 is an even 8-digits composite number following 20984945
and preceding 20984947 . In scientific notation, it is written as 2.0984946 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 6776784 positive integers (up to 20984946) that are relatively prime to 20984946.
20984946 has 16 divisors, whose sum is 31980000
The reverse of 20984946 is 64948902
Previous prime number is 163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million nine hundred eighty-four thousand nine hundred forty-six
Scientific notation
2.0984946 × 10^7
Engineering notation
2.0984946 × 10^6
Prime Factorization
2 × 129 × 163 × 499
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20984946
Product of the distinct prime numbers
The prime factorization of 20984946 is 2 × 129 × 163 × 499.
Since it has a total of 4 prime factors.
10 , 6 , 51 , 74 , 374 , 30 , 4210 , 210 , 52461 , 29995 , 473592 , 321565 , 2726421 , 2383125 , 1190272 , 36674185 , 856312638 , 745409131 , 158963337 , 4992276839
n×2
41969892
n×3
62954838
n×4
83939784
n×5
104924730
n÷2
10492473
n÷3
6994982
n÷3
5246236.5
n÷5
4196989.2
n2
440367958622916
n3
9.2410978318321E+21
n4
1.9392393898171E+29
n5
4.0694833876386E+36
2 √n
4580.9328744263
3 √n
275.82647672878
4 √n
67.682589152797
5 √n
29.13275598347
1 , 2 , 129 , 163 , 258 , 326 , 499 , 998 , 21027 , 42054 , 64371 , 81337 , 128742 , 162674 , 10492473 , 20984946
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
-20984945
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 20984946 can be divided by 16 positive divisors.
The sum of these divisors (counting 20984946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000011010001110010
3
Ternary
1110111010221020
4
Quaternary
1100003101302
5
Quinary
20333004241
6
Senary
2025440310
8
Octal
120032162
10
Decimal
20984946
12
Duodecimal
7040096
16
Hexadecimal
1403472
20
Vigesimal
6b3276
36
Base36
chs36
md5
60e5f27642dab203d0236f107287371a
sha1
0236aee398f5a7bad1597d312fd08948c6611440
sha256
226723814c80f2f886170f2f63b184fe3401c6ad1a04f407c3daf6d6b176efe4
sha512
8a109c1b332d47acdf760c1a196ec4344aa9beef3b6c107621179f638a4144359a5f4d1703f70de568c9232019b3a7cdb17cfc0b5921a9f38dc90f0ed9efd73a
ripemd-160
7eea81538a47921d799cb2adbc912487920a11c2
Diameter
41969892
Circumference
131852304.37916
Area
1.3834567436861E+15
Volume
3.8709020079451E+22
Surface area
5.5338269747443E+15
Circumference
131852304.37916
Perimeter
83939784
Area
440367958622916
Diagonal
29677195.238867
Surface area
2642207751737496
Volume
9.2410978318321E+21
Space diagonal
36346992.666089
Perimeter
62954838
Area
1.9068491959007E+14
Altitude
18173496.333045
Surface area
1.9068491959007E+14
Volume
1.0890738237495E+21
Height
9892398.4129557