20115913 is an odd 8-digits composite number following 20115912
and preceding 20115914 . In scientific notation, it is written as 2.0115913 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 18849600 positive integers (up to 20115913) that are relatively prime to 20115913.
20115913 has 8 divisors, whose sum is 21392640
The reverse of 20115913 is 31951102
Previous prime number is 239
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred fifteen thousand nine hundred thirteen
Scientific notation
2.0115913 × 10^7
Engineering notation
2.0115913 × 10^6
Prime Factorization
17 × 239 × 4951
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20115913
Product of the distinct prime numbers
The prime factorization of 20115913 is 17 × 239 × 4951.
Since it has a total of 3 prime factors.
6 , 10 , 72 , 60 , 33 , 114 , 6169 , 7592 , 14056 , 68231 , 640874 , 485238 , 7464139 , 4343118 , 96026242 , 51813332 , 926061669 , 886574558 , 6033691767 , 1225259911
n×2
40231826
n×3
60347739
n×4
80463652
n×5
100579565
n÷2
10057956.5
n÷3
6705304.3333333
n÷3
5028978.25
n÷5
4023182.6
n2
404649955823569
n3
8.1399033068008E+21
n4
1.6374158674802E+29
n5
3.293811513505E+36
2 √n
4485.0766994557
3 √n
271.96514565647
4 √n
66.970715237749
5 √n
28.887366386069
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
-20115912
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 20115913 can be divided by 8 positive divisors.
The sum of these divisors (counting 20115913) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101111000111001001
3
Ternary
1101211222211211
4
Quaternary
1030233013021
5
Quinary
20122202123
6
Senary
1555053121
8
Octal
114570711
10
Decimal
20115913
12
Duodecimal
68a11a1
16
Hexadecimal
132f1c9
20
Vigesimal
65e9fd
36
Base36
bz5jd
md5
069770eab79563599770369a7ea908be
sha1
adc525b4f8203d52d85bc02c93018b7999bcd32c
sha256
89300796f9293602ab72bafa46a535363c93ae77a35d8eb315ebe084c4d83aed
sha512
e5577a1544522be7143e94975e0d850077f5ea75b42f32957eb72af10340d047b773dcbd11a7e0b62c628fac6600cd0e72a87fc9dfe333683e174a71e2eb0c6d
ripemd-160
1daaf2ddb13e50e1e4644faadd256a357944ef27
Diameter
40231826
Circumference
126392009.0021
Area
1.2712453284908E+15
Volume
3.4096347239435E+22
Surface area
5.084981313963E+15
Circumference
126392009.0021
Perimeter
80463652
Area
404649955823569
Diagonal
28448196.984117
Surface area
2427899734941414
Volume
8.1399033068008E+21
Space diagonal
34841783.356635
Perimeter
60347739
Area
1.7521857069173E+14
Altitude
17420891.678318
Surface area
1.7521857069173E+14
Volume
9.5929680440694E+20
Height
9482732.3280391