20804979 is an odd 8-digits composite number following 20804978
and preceding 20804980 . In scientific notation, it is written as 2.0804979 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 12768000 positive integers (up to 20804979) that are relatively prime to 20804979.
20804979 has 16 divisors, whose sum is 29955744
The reverse of 20804979 is 97940802
Previous prime number is 701
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million eight hundred four thousand nine hundred seventy-nine
Scientific notation
2.0804979 × 10^7
Engineering notation
2.0804979 × 10^6
Prime Factorization
13 × 3 × 701 × 761
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20804979
Product of the distinct prime numbers
The prime factorization of 20804979 is 13 × 3 × 701 × 761.
Since it has a total of 4 prime factors.
5 , 10 , 57 , 96 , 504 , 480 , 578 , 5115 , 78803 , 63066 , 640410 , 327617 , 2226181 , 9743368 , 69156372 , 61844248 , 589005950 , 598412111 , 9144131624 , 1876371832
n×2
41609958
n×3
62414937
n×4
83219916
n×5
104024895
n÷2
10402489.5
n÷3
6934993
n÷3
5201244.75
n÷5
4160995.8
n2
432847151190441
n3
9.005375890727E+21
n4
1.8735665629368E+29
n5
3.8979512997002E+36
2 √n
4561.247526719
3 √n
275.03571547147
4 √n
67.537008570997
5 √n
29.082615152282
1 , 3 , 13 , 39 , 701 , 761 , 2103 , 2283 , 9113 , 9893 , 27339 , 29679 , 533461 , 1600383 , 6934993 , 20804979
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
-20804978
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 20804979 can be divided by 16 positive divisors.
The sum of these divisors (counting 20804979) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111010101110011
3
Ternary
1110011000001210
4
Quaternary
1033113111303
5
Quinary
20311224404
6
Senary
2021531203
8
Octal
117272563
10
Decimal
20804979
12
Duodecimal
6b73b03
16
Hexadecimal
13d7573
20
Vigesimal
6a0c8j
36
Base36
cdx83
md5
a002ed8b79048503cc5b96663b39e88b
sha1
6125b3dd8aca5dac74547dc1d4259c858fff046b
sha256
f5c763618ddf3ec48af335799c67bc5303394f634c0cf978d11eb7ebb3fbd31f
sha512
257e001770c1084788654f2e5124dc736e87791bf823b496a660c14e5fd60be8439e8ebca6590669a4b7651ff18a7caa408608948feee43ae3eaa506087e3334
ripemd-160
44347a1fb885f042c546c4cb70acfd8f7f72b913
Diameter
41609958
Circumference
130721538.36898
Area
1.3598294303072E+15
Volume
3.7721630321497E+22
Surface area
5.4393177212286E+15
Circumference
130721538.36898
Perimeter
83219916
Area
432847151190441
Diagonal
29422683.466687
Surface area
2597082907142646
Volume
9.005375890727E+21
Space diagonal
36035280.678404
Perimeter
62414937
Area
1.8742831444332E+14
Altitude
18017640.339202
Surface area
1.8742831444332E+14
Volume
1.0612937265778E+21
Height
9807561.1555625