20642765 is an odd 8-digits composite number following 20642764
and preceding 20642766 . In scientific notation, it is written as 2.0642765 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 13857600 positive integers (up to 20642765) that are relatively prime to 20642765.
20642765 has 16 divisors, whose sum is 29102976
The reverse of 20642765 is 56724602
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million six hundred forty-two thousand seven hundred sixty-five
Scientific notation
2.0642765 × 10^7
Engineering notation
2.0642765 × 10^6
Prime Factorization
5 × 11 × 13 × 28871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20642765
Product of the distinct prime numbers
The prime factorization of 20642765 is 5 × 11 × 13 × 28871.
Since it has a total of 4 prime factors.
3 , 6 , 98 , 74 , 134 , 682 , 3963 , 311 , 10072 , 60101 , 619795 , 904245 , 2639758 , 6525518 , 58440093 , 13456435 , 63677077 , 488492230 , 6244921287 , 1035574907
n×2
41285530
n×3
61928295
n×4
82571060
n×5
103213825
n÷2
10321382.5
n÷3
6880921.6666667
n÷3
5160691.25
n÷5
4128553
n2
426123746845225
n3
8.7963723670455E+21
n4
1.8158144762541E+29
n5
3.7483431516912E+36
2 √n
4543.430972294
3 √n
274.31904247122
4 √n
67.404977355489
5 √n
29.03712229602
1 , 5 , 11 , 13 , 55 , 65 , 143 , 715 , 28871 , 144355 , 317581 , 375323 , 1587905 , 1876615 , 4128553 , 20642765
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
-20642764
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 20642765 can be divided by 16 positive divisors.
The sum of these divisors (counting 20642765) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110101111101111001101
3
Ternary
1102211202112212
4
Quaternary
1032233233031
5
Quinary
20241032030
6
Senary
2014240205
8
Octal
116575715
10
Decimal
20642765
12
Duodecimal
6ab6065
16
Hexadecimal
13afbcd
20
Vigesimal
6906i5
36
Base36
cag25
md5
1cd5baabb1f8f0813c1571b15096690b
sha1
32f8ca4677dbb988cda432bf0f4880a1d800f447
sha256
d65fc5da5fc6a4cfc8a51b1b76476da243dbd4c15fd6a5d3466bbb3ded05f469
sha512
3192dca62ef4d72484a55b0684447ab45feed865595f93c73acb5e904df85e1c46af4dffe5e898ef87b04288f6429fa3fd1902f72c4abb425a93d05f64d39e16
ripemd-160
86eab16372a9e4aa3c5537f265bc55d656afa406
Diameter
41285530
Circumference
129702317.74756
Area
1.3387072326091E+15
Volume
3.6846158408734E+22
Surface area
5.3548289304365E+15
Circumference
129702317.74756
Perimeter
82571060
Area
426123746845225
Diagonal
29193278.227881
Surface area
2556742481071350
Volume
8.7963723670455E+21
Space diagonal
35754317.788705
Perimeter
61928295
Area
1.8451699496189E+14
Altitude
17877158.894352
Surface area
1.8451699496189E+14
Volume
1.0366624250966E+21
Height
9731092.7426269