20112865 is an odd 8-digits composite number following 20112864
and preceding 20112866 . In scientific notation, it is written as 2.0112865 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 16074240 positive integers (up to 20112865) that are relatively prime to 20112865.
20112865 has 8 divisors, whose sum is 24159528
The reverse of 20112865 is 56821102
Previous prime number is 1933
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred twelve thousand eight hundred sixty-five
Scientific notation
2.0112865 × 10^7
Engineering notation
2.0112865 × 10^6
Prime Factorization
5 × 1933 × 2081
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20112865
Product of the distinct prime numbers
The prime factorization of 20112865 is 5 × 1933 × 2081.
Since it has a total of 3 prime factors.
7 , 8 , 88 , 80 , 681 , 907 , 6114 , 6904 , 50040 , 70807 , 425304 , 729305 , 1403449 , 2227140 , 62306040 , 48047739 , 706055049 , 240154958 , 4280486665 , 1167392732
n×2
40225730
n×3
60338595
n×4
80451460
n×5
100564325
n÷2
10056432.5
n÷3
6704288.3333333
n÷3
5028216.25
n÷5
4022573
n2
404527338508225
n3
8.1362037482252E+21
n4
1.6364236760055E+29
n5
3.2913168478302E+36
2 √n
4484.736893063
3 √n
271.95140874355
4 √n
66.968178212215
5 √n
28.886490919669
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
-20112864
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 20112865 can be divided by 8 positive divisors.
The sum of these divisors (counting 20112865) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101110010111100001
3
Ternary
1101211211122221
4
Quaternary
1030232113201
5
Quinary
20122102430
6
Senary
1555031041
8
Octal
114562741
10
Decimal
20112865
12
Duodecimal
689b481
16
Hexadecimal
132e5e1
20
Vigesimal
65e235
36
Base36
bz36p
md5
3bdb96d31709344bfd2edebedbd49fd1
sha1
91559776f78d24eccff5f685e91092790b6f6bb3
sha256
81b8d4b49efe5bfa4786a73c9db859b5fa109d1b5b2b304c0ecdb424fe514b46
sha512
b23185d4acbd3ee55fa11467686f1c9f89956f979908307977a80af367d16b7cd1cc7416fea30242cfb65b0d8237f29f72b755b2d25f2cb7903d47afdf7bdaf7
ripemd-160
8117bc0bb4817c7b1809e92a7d4967c335645bb5
Diameter
40225730
Circumference
126372857.85329
Area
1.2708601148337E+15
Volume
3.4080850564712E+22
Surface area
5.0834404593347E+15
Circumference
126372857.85329
Perimeter
80451460
Area
404527338508225
Diagonal
28443886.461179
Surface area
2427164031049350
Volume
8.1362037482252E+21
Space diagonal
34836504.065774
Perimeter
60338595
Area
1.7516547583671E+14
Altitude
17418252.032887
Surface area
1.7516547583671E+14
Volume
9.5886080724758E+20
Height
9481295.4870597