20108913 is an odd 8-digits composite number following 20108912
and preceding 20108914 . In scientific notation, it is written as 2.0108913 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 12187200 positive integers (up to 20108913) that are relatively prime to 20108913.
20108913 has 8 divisors, whose sum is 29249376
The reverse of 20108913 is 31980102
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred eight thousand nine hundred thirteen
Scientific notation
2.0108913 × 10^7
Engineering notation
2.0108913 × 10^6
Prime Factorization
3 × 11 × 609361
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20108913
Product of the distinct prime numbers
The prime factorization of 20108913 is 3 × 11 × 609361.
Since it has a total of 3 prime factors.
4 , 1 , 62 , 31 , 480 , 170 , 8843 , 8883 , 51047 , 87115 , 80978 , 29177 , 4335022 , 5809496 , 18265513 , 11158421 , 663223021 , 845358481 , 800891472 , 105224041
n×2
40217826
n×3
60326739
n×4
80435652
n×5
100544565
n÷2
10054456.5
n÷3
6702971
n÷3
5027228.25
n÷5
4021782.6
n2
404368382041569
n3
8.1314086144247E+21
n4
1.6351378839492E+29
n5
3.2880845451338E+36
2 √n
4484.2962658593
3 √n
271.93359556166
4 √n
66.964888306181
5 √n
28.885355642465
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
-20108912
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 20108913 can be divided by 8 positive divisors.
The sum of these divisors (counting 20108913) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101101011001110001
3
Ternary
1101211122020120
4
Quaternary
1030231121301
5
Quinary
20121441123
6
Senary
1555000453
8
Octal
114553161
10
Decimal
20108913
12
Duodecimal
6899129
16
Hexadecimal
132d671
20
Vigesimal
65dc5d
36
Base36
bz04x
md5
26e8868c64aebbdedcf4dd70d2545930
sha1
6ded34f17a93cc26a4d6c09460ac65216fe5cae4
sha256
d8a3dbce4a1b507deb372f8f459ff2c81092ab3162daa0da26356cf8f0a184b1
sha512
8e33408ad43cee760f34bd3bafbf88917bdb06cfde1274131c1f0b0e2785803f398c6c9fcac36e1ad5a695b5ddd17007221eacc5a6979c377a4d5debee70b422
ripemd-160
08b540ab68849f5d1282e20f5df0135caf2fe64f
Diameter
40217826
Circumference
126348026.70495
Area
1.2703607383658E+15
Volume
3.4060764755218E+22
Surface area
5.0814429534631E+15
Circumference
126348026.70495
Perimeter
80435652
Area
404368382041569
Diagonal
28438297.489181
Surface area
2426210292249414
Volume
8.1314086144247E+21
Space diagonal
34829659.000982
Perimeter
60326739
Area
1.750966456676E+14
Altitude
17414829.500491
Surface area
1.750966456676E+14
Volume
9.5829569530973E+20
Height
9479432.4963935