20804639 is an odd 8-digits composite number following 20804638
and preceding 20804640 . In scientific notation, it is written as 2.0804639 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 19017504 positive integers (up to 20804639) that are relatively prime to 20804639.
20804639 has 16 divisors, whose sum is 22684800
The reverse of 20804639 is 93640802
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million eight hundred four thousand six hundred thirty-nine
Scientific notation
2.0804639 × 10^7
Engineering notation
2.0804639 × 10^6
Prime Factorization
19 × 67 × 59 × 277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20804639
Product of the distinct prime numbers
The prime factorization of 20804639 is 19 × 67 × 59 × 277.
Since it has a total of 4 prime factors.
6 , 8 , 59 , 21 , 49 , 132 , 924 , 2311 , 13419 , 89561 , 870391 , 242627 , 6655972 , 5243101 , 34191398 , 91654529 , 113709761 , 842513950 , 6874399981 , 5965574462
n×2
41609278
n×3
62413917
n×4
83218556
n×5
104023195
n÷2
10402319.5
n÷3
6934879.6666667
n÷3
5201159.75
n÷5
4160927.8
n2
432833003920321
n3
9.0049343938479E+21
n4
1.8734440928269E+29
n5
3.8976328037946E+36
2 √n
4561.2102560614
3 √n
275.0342172299
4 √n
67.536732642773
5 √n
29.082520096634
1 , 19 , 59 , 67 , 277 , 1121 , 1273 , 3953 , 5263 , 16343 , 18559 , 75107 , 310517 , 352621 , 1094981 , 20804639
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
-20804638
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 20804639 can be divided by 16 positive divisors.
The sum of these divisors (counting 20804639) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111010000011111
3
Ternary
1110010222121012
4
Quaternary
1033113100133
5
Quinary
20311222024
6
Senary
2021525435
8
Octal
117272037
10
Decimal
20804639
12
Duodecimal
6b7387b
16
Hexadecimal
13d741f
20
Vigesimal
6a0bbj
36
Base36
cdwyn
md5
fc579d68a704be5cbec5448d33f9a771
sha1
3f304d006f55fb294b1b295e79d2101294a4bb6b
sha256
239ccafa5e5d5d386d22722bca1e74beb4f07ab640cab2c37bb3c5c2c5879cf8
sha512
c20d70f52012352f47234e1db278d70626a52028e5f6abc4584e78dc48de9d67b47c283980fea2bbd535eba5015ad84a36c1dc5a0dd8f6517e513a3b136b78bc
ripemd-160
75af27be396ea7ad779810d885b358bb1d4c98d2
Diameter
41609278
Circumference
130719402.08598
Area
1.3597849853473E+15
Volume
3.7719780983694E+22
Surface area
5.4391399413891E+15
Circumference
130719402.08598
Perimeter
83218556
Area
432833003920321
Diagonal
29422202.634076
Surface area
2596998023521926
Volume
9.0049343938479E+21
Space diagonal
36034691.781129
Perimeter
62413917
Area
1.8742218849566E+14
Altitude
18017345.890564
Surface area
1.8742218849566E+14
Volume
1.0612416956716E+21
Height
9807400.8780254