20132905 is an odd 8-digits composite number following 20132904
and preceding 20132906 . In scientific notation, it is written as 2.0132905 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 14867328 positive integers (up to 20132905) that are relatively prime to 20132905.
20132905 has 8 divisors, whose sum is 26017992
The reverse of 20132905 is 50923102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred thirty-two thousand nine hundred five
Scientific notation
2.0132905 × 10^7
Engineering notation
2.0132905 × 10^6
Prime Factorization
13 × 5 × 309737
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20132905
Product of the distinct prime numbers
The prime factorization of 20132905 is 13 × 5 × 309737.
Since it has a total of 3 prime factors.
8 , 2 , 72 , 99 , 928 , 686 , 8401 , 9285 , 75110 , 47488 , 918512 , 560996 , 4659954 , 3670856 , 75228850 , 74439981 , 883589769 , 321422985 , 6355587819 , 2994819586
n×2
40265810
n×3
60398715
n×4
80531620
n×5
100664525
n÷2
10066452.5
n÷3
6710968.3333333
n÷3
5033226.25
n÷5
4026581
n2
405333863739025
n3
8.1605481719407E+21
n4
1.6429554109361E+29
n5
3.3077465207612E+36
2 √n
4486.970581584
3 √n
272.04170082242
4 √n
66.984853374356
5 √n
28.892244994989
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
-20132904
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 20132905 can be divided by 8 positive divisors.
The sum of these divisors (counting 20132905) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110011010000101001
3
Ternary
1101212212011011
4
Quaternary
1030303100221
5
Quinary
20123223110
6
Senary
1555303521
8
Octal
114632051
10
Decimal
20132905
12
Duodecimal
68aaba1
16
Hexadecimal
1333429
20
Vigesimal
65gc55
36
Base36
bzind
md5
55e5c289a7e031ebfca2a21d704c319c
sha1
2b9a837c07ab09f6ceb26c887b49e8148f06fb15
sha256
77deae31be21720dc5ccfbf9ce6cdacecc164a8297ae3685a1767cf2c441df18
sha512
ce2a670a383ef68ffcd5f660d6ecce468ded46d60b726f662ad6e18be1bf2a118cc4881d637c85a6ddc85b736ac942cd98f66afbbd6cbd1e4497412461e4cf7b
ripemd-160
d31ce4223c24c0957018f2b190ae457352cb3831
Diameter
40265810
Circumference
126498772.88684
Area
1.2733938885737E+15
Volume
3.4182824248313E+22
Surface area
5.0935755542947E+15
Circumference
126498772.88684
Perimeter
80531620
Area
405333863739025
Diagonal
28472227.300969
Surface area
2432003182434150
Volume
8.1605481719407E+21
Space diagonal
34871214.363957
Perimeter
60398715
Area
1.7551471150605E+14
Altitude
17435607.181979
Surface area
1.7551471150605E+14
Volume
9.6172982509646E+20
Height
9490742.4336564