20006865 is an odd 8-digits composite number following 20006864
and preceding 20006866 . In scientific notation, it is written as 2.0006865 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 10670256 positive integers (up to 20006865) that are relatively prime to 20006865.
20006865 has 8 divisors, whose sum is 27268800
The reverse of 20006865 is 56860002
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million six thousand eight hundred sixty-five
Scientific notation
2.0006865 × 10^7
Engineering notation
2.0006865 × 10^6
Prime Factorization
45 × 3 × 148199
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20006865
Product of the distinct prime numbers
The prime factorization of 20006865 is 45 × 3 × 148199.
Since it has a total of 3 prime factors.
7 , 10 , 80 , 62 , 92 , 953 , 7369 , 5170 , 10118 , 62918 , 81656 , 483846 , 1639028 , 904154 , 31430008 , 50597776 , 94431025 , 744003587 , 1452112569 , 4105633207
n×2
40013730
n×3
60020595
n×4
80027460
n×5
100034325
n÷2
10003432.5
n÷3
6668955
n÷3
5001716.25
n÷5
4001373
n2
400274647128225
n3
8.008240828017E+21
n4
1.6021979313363E+29
n5
3.2054957715524E+36
2 √n
4472.9034194805
3 √n
271.47281556824
4 √n
66.879768386863
5 √n
28.855978673204
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
-20006864
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 20006865 can be divided by 8 positive divisors.
The sum of these divisors (counting 20006865) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010100011111010001
3
Ternary
1101122110021000
4
Quaternary
1030110133101
5
Quinary
20110204430
6
Senary
1552452213
8
Octal
114243721
10
Decimal
20006865
12
Duodecimal
684a069
16
Hexadecimal
13147d1
20
Vigesimal
650h35
36
Base36
bwte9
md5
5820bae4baabea8475894c2319e4a443
sha1
d18f0f8c471b29f44b61794130405c2de9f62dbd
sha256
4271f89a21b565c117e42f8dbbc633707e6043e20dffcd6c8039217a1f1fb3a9
sha512
909247a4ead04809fc06cd423aaf47bc497fc30f15a531d92303e1e8238cb22330f5df8a94094d70410e0b29c5a3475c4d6750a45e59c11def0343e989f25561
ripemd-160
b4351c93efaeac3c011710f4eec1b3dbcace0c34
Diameter
40013730
Circumference
125706840.21073
Area
1.2574998908363E+15
Volume
3.3544840737968E+22
Surface area
5.0299995633451E+15
Circumference
125706840.21073
Perimeter
80027460
Area
400274647128225
Diagonal
28293979.823568
Surface area
2401647882769350
Volume
8.008240828017E+21
Space diagonal
34652906.680172
Perimeter
60020595
Area
1.7332400645195E+14
Altitude
17326453.340086
Surface area
1.7332400645195E+14
Volume
9.4378023247764E+20
Height
9431326.6078559