20804887 is an odd 8-digits composite number following 20804886
and preceding 20804888 . In scientific notation, it is written as 2.0804887 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 20458464 positive integers (up to 20804887) that are relatively prime to 20804887.
20804887 has 8 divisors, whose sum is 21153600
The reverse of 20804887 is 78840802
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million eight hundred four thousand eight hundred eighty-seven
Scientific notation
2.0804887 × 10^7
Engineering notation
2.0804887 × 10^6
Prime Factorization
79 × 389 × 677
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20804887
Product of the distinct prime numbers
The prime factorization of 20804887 is 79 × 389 × 677.
Since it has a total of 3 prime factors.
8 , 3 , 26 , 71 , 649 , 409 , 5147 , 2917 , 1963 , 49456 , 669209 , 606969 , 8660154 , 9312646 , 67788902 , 98635683 , 963796224 , 136132136 , 5808067029 , 6651761328
n×2
41609774
n×3
62414661
n×4
83219548
n×5
104024435
n÷2
10402443.5
n÷3
6934962.3333333
n÷3
5201221.75
n÷5
4160977.4
n2
432843323082769
n3
9.0052564254415E+21
n4
1.8735334233733E+29
n5
3.8978651164006E+36
2 √n
4561.2374417476
3 √n
275.03531006654
4 √n
67.5369339084
5 √n
29.082589431465
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
-20804886
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 20804887 can be divided by 8 positive divisors.
The sum of these divisors (counting 20804887) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010111010100010111
3
Ternary
1110010222221101
4
Quaternary
1033113110113
5
Quinary
20311224022
6
Senary
2021530531
8
Octal
117272427
10
Decimal
20804887
12
Duodecimal
6b73a47
16
Hexadecimal
13d7517
20
Vigesimal
6a0c47
36
Base36
cdx5j
md5
7a0bab915ca6e1a75142190dc6059627
sha1
b7b091205b21c227a5ae5ca894673ceb0d357127
sha256
f3a174d2f6b2e0f756bf579113cf1cc6bb51157065aa9e44dc6fa46d6d269c98
sha512
85d76fdd65504eb3616f196257faaf5b18ae65e2e59b4caf7024f95eee2cec9de78d56b979e80e9e0fa662c310094983e1f9c53155d3b4dae122bcd7e2871823
ripemd-160
7a194ae8bd2e620b188f6e8ed36c2659c59945d1
Diameter
41609774
Circumference
130720960.31593
Area
1.3598174039522E+15
Volume
3.7721129906479E+22
Surface area
5.4392696158089E+15
Circumference
130720960.31593
Perimeter
83219548
Area
432843323082769
Diagonal
29422553.35904
Surface area
2597059938496614
Volume
9.0052564254415E+21
Space diagonal
36035121.329729
Perimeter
62414661
Area
1.8742665682408E+14
Altitude
18017560.664865
Surface area
1.8742665682408E+14
Volume
1.0612796474589E+21
Height
9807517.7863466