20787952 is an even 8-digits composite number following 20787951
and preceding 20787953 . In scientific notation, it is written as 2.0787952 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 20 positive divisors.
There are 9941888 positive integers (up to 20787952) that are relatively prime to 20787952.
20787952 has 20 divisors, whose sum is 42028560
The reverse of 20787952 is 25978702
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million seven hundred eighty-seven thousand nine hundred fifty-two
Scientific notation
2.0787952 × 10^7
Engineering notation
2.0787952 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 23 × 56489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2598494
Product of the distinct prime numbers
The prime factorization of 20787952 is 2 × 2 × 2 × 2 × 23 × 56489.
Since it has a total of 6 prime factors.
9 , 8 , 96 , 43 , 853 , 133 , 2859 , 907 , 69777 , 41233 , 311636 , 993980 , 2126863 , 5533503 , 24541340 , 48527108 , 485332031 , 345606148 , 9517109537 , 3619983814
n×2
41575904
n×3
62363856
n×4
83151808
n×5
103939760
n÷2
10393976
n÷3
6929317.3333333
n÷3
5196988
n÷5
4157590.4
n2
432138948354304
n3
8.9832837157198E+21
n4
1.8674407068476E+29
n5
3.8820267776795E+36
2 √n
4559.3806596949
3 √n
274.9606643462
4 √n
67.523186089631
5 √n
29.077853293353
1 , 2 , 4 , 8 , 16 , 23 , 46 , 92 , 184 , 368 , 56489 , 112978 , 225956 , 451912 , 903824 , 1299247 , 2598494 , 5196988 , 10393976 , 20787952
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20787951
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20787952 can be divided by 20 positive divisors.
The sum of these divisors (counting 20787952) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001111010011001011110000
3
Ternary
1110010010201011
4
Quaternary
1033103023300
5
Quinary
20310203302
6
Senary
2021320304
8
Octal
117231360
10
Decimal
20787952
12
Duodecimal
6b66094
16
Hexadecimal
13d32f0
20
Vigesimal
69i9hc
36
Base36
cdk34
md5
f67c1f99a61748aa4b223cd303489672
sha1
7e9b6de9953e837f6910562d57fc495ff3f48b02
sha256
77c0e8055fac61869a73c35805b5ad9b5561e3db8cee81763f2b5ddceadaf677
sha512
2458fb26a2cf85061054db679f5ecf2e265fee6de212894550b94683c131f00c60fa4fad30a849fd6a5763439ad9035b3169e470a8bae594621d735b05c1892f
ripemd-160
eb6840890058cd661e7d3bae4db6c4220a6c206f
Diameter
41575904
Circumference
130614554.57275
Area
1.3576045454799E+15
Volume
3.7629090835224E+22
Surface area
5.4304181819196E+15
Circumference
130614554.57275
Perimeter
83151808
Area
432138948354304
Diagonal
29398603.652361
Surface area
2592833690125824
Volume
8.9832837157198E+21
Space diagonal
36005789.049303
Perimeter
62363856
Area
1.8712165361976E+14
Altitude
18002894.524652
Surface area
1.8712165361976E+14
Volume
1.0586901387847E+21
Height
9799534.550787