20130911 is an odd 8-digits composite number following 20130910
and preceding 20130912 . In scientific notation, it is written as 2.0130911 × 10^7.
The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors.
There are 19186200 positive integers (up to 20130911) that are relatively prime to 20130911.
20130911 has 8 divisors, whose sum is 21081984
The reverse of 20130911 is 11903102
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred thirty thousand nine hundred eleven
Scientific notation
2.0130911 × 10^7
Engineering notation
2.0130911 × 10^6
Prime Factorization
23 × 307 × 2851
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20130911
Product of the distinct prime numbers
The prime factorization of 20130911 is 23 × 307 × 2851.
Since it has a total of 3 prime factors.
4 , 7 , 100 , 78 , 665 , 991 , 695 , 2655 , 30918 , 72412 , 308826 , 835300 , 4244119 , 5654292 , 17166875 , 48403123 , 834220107 , 386081508 , 5462213830 , 6343097886
n×2
40261822
n×3
60392733
n×4
80523644
n×5
100654555
n÷2
10065455.5
n÷3
6710303.6666667
n÷3
5032727.75
n÷5
4026182.2
n2
405253577689921
n3
8.1581237049074E+21
n4
1.6423046223048E+29
n5
3.3061088186507E+36
2 √n
4486.7483771658
3 √n
272.0327193555
4 √n
66.983194736932
5 √n
28.891672664081
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
-20130910
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 20130911 can be divided by 8 positive divisors.
The sum of these divisors (counting 20130911) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010110001011111
3
Ternary
1101212202102022
4
Quaternary
1030302301133
5
Quinary
20123142121
6
Senary
1555250355
8
Octal
114626137
10
Decimal
20130911
12
Duodecimal
68a99bb
16
Hexadecimal
1332c5f
20
Vigesimal
65g75b
36
Base36
bzh3z
md5
3639b7ec5efa1c340947f170224c3899
sha1
fa56bfb1544b9c2a9a2472cca2ed5435435cd0fb
sha256
34ab606c2eff6ee34b50379ce46dda1943c3584b71fd514b6193b9e7941948e1
sha512
dfbc908fc7eff037f1170bc5e9d58588b908871702fc68b0f5161e1ef491a73662cca4629630c823827b395450741e4c8781b4d32351b4b38bd524b2736c2262
ripemd-160
696194cf9a6190edb353461c009e0fbbc232bf6a
Diameter
40261822
Circumference
126486244.21534
Area
1.2731416625116E+15
Volume
3.4172668664552E+22
Surface area
5.0925666500465E+15
Circumference
126486244.21534
Perimeter
80523644
Area
405253577689921
Diagonal
28469407.359126
Surface area
2431521466139526
Volume
8.1581237049074E+21
Space diagonal
34867760.654647
Perimeter
60392733
Area
1.75479946627E+14
Altitude
17433880.327324
Surface area
1.75479946627E+14
Volume
9.6144409891646E+20
Height
9489802.4530419