20081765 is an odd 8-digits composite number following 20081764
and preceding 20081766 . In scientific notation, it is written as 2.0081765 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 13828320 positive integers (up to 20081765) that are relatively prime to 20081765.
20081765 has 16 divisors, whose sum is 23493120
The reverse of 20081765 is 56718002
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million eighty-one thousand seven hundred sixty-five
Scientific notation
2.0081765 × 10^7
Engineering notation
2.0081765 × 10^6
Prime Factorization
55 × 11 × 19 × 1747
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20081765
Product of the distinct prime numbers
The prime factorization of 20081765 is 55 × 11 × 19 × 1747.
Since it has a total of 4 prime factors.
4 , 3 , 74 , 86 , 178 , 61 , 8057 , 8553 , 49552 , 12083 , 356336 , 234527 , 3639367 , 1437584 , 47549812 , 58865606 , 82843241 , 748030154 , 2246313129 , 5534935359
n×2
40163530
n×3
60245295
n×4
80327060
n×5
100408825
n÷2
10040882.5
n÷3
6693921.6666667
n÷3
5020441.25
n÷5
4016353
n2
403277285515225
n3
8.0985196775547E+21
n4
1.6263256901253E+29
n5
3.2659490322559E+36
2 √n
4481.2682356672
3 √n
271.81116597088
4 √n
66.942275399535
5 √n
28.877552103304
1 , 11 , 19 , 55 , 209 , 605 , 1045 , 1747 , 11495 , 19217 , 33193 , 96085 , 365123 , 1056935 , 1825615 , 20081765
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
-20081764
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 20081765 can be divided by 16 positive divisors.
The sum of these divisors (counting 20081765) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100110110001100101
3
Ternary
1101210021000002
4
Quaternary
1030212301211
5
Quinary
20120104030
6
Senary
1554231045
8
Octal
114466145
10
Decimal
20081765
12
Duodecimal
6885485
16
Hexadecimal
1326c65
20
Vigesimal
65a485
36
Base36
byf6t
md5
253a4a995556ed5e6c91ea14f06a4186
sha1
5a12c5eecfc9de1fc5bde6f43c26fb8d86d04eaa
sha256
969704e94e20be0d42728dd3ccaea73aa4cfe294698fc1d8fd36df3015a5e169
sha512
441ef6ba5a5f0871e44b5b39af01acc5cdfdaa248c5acf03f3c3a3708c5449e72f56a0f07ce8d821664a1ba122bd1922c2e53a923d17a989126302d9bc46b40f
ripemd-160
41d9687f21a28e6eb97aa93e01516c583610e239
Diameter
40163530
Circumference
126177450.79023
Area
1.2669329575343E+15
Volume
3.3922999898611E+22
Surface area
5.0677318301371E+15
Circumference
126177450.79023
Perimeter
80327060
Area
403277285515225
Diagonal
28399904.419389
Surface area
2419663713091350
Volume
8.0985196775547E+21
Space diagonal
34782637.285658
Perimeter
60245295
Area
1.7462418701271E+14
Altitude
17391318.642829
Surface area
1.7462418701271E+14
Volume
9.544196969286E+20
Height
9466634.8064631