20130912 is an even 8-digits composite number following 20130911
and preceding 20130913 . In scientific notation, it is written as 2.0130912 × 10^7.
The sum of its digits is 18. It has a total of 7 prime factors and 24 positive divisors.
There are 6710208 positive integers (up to 20130912) that are relatively prime to 20130912.
20130912 has 24 divisors, whose sum is 44037000
The reverse of 20130912 is 21903102
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred thirty thousand nine hundred twelve
Scientific notation
2.0130912 × 10^7
Engineering notation
2.0130912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 9 × 69899
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1258182
Product of the distinct prime numbers
The prime factorization of 20130912 is 2 × 2 × 2 × 2 × 2 × 9 × 69899.
Since it has a total of 7 prime factors.
4 , 1 , 47 , 47 , 916 , 545 , 4577 , 5552 , 64042 , 58957 , 260771 , 489931 , 4589502 , 6838775 , 12837940 , 74396491 , 908455061 , 81407581 , 308232290 , 9239133766
n×2
40261824
n×3
60392736
n×4
80523648
n×5
100654560
n÷2
10065456
n÷3
6710304
n÷3
5032728
n÷5
4026182.4
n2
405253617951744
n3
8.1581249206682E+21
n4
1.6423049486298E+29
n5
3.3061096398031E+36
2 √n
4486.7484886051
3 √n
272.03272385989
4 √n
66.983195568777
5 √n
28.891672951119
1 , 2 , 4 , 8 , 9 , 16 , 18 , 32 , 36 , 72 , 144 , 288 , 69899 , 139798 , 279596 , 559192 , 629091 , 1118384 , 1258182 , 2236768 , 2516364 , 5032728 , 10065456 , 20130912
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20130911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20130912 can be divided by 24 positive divisors.
The sum of these divisors (counting 20130912) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110010110001100000
3
Ternary
1101212202102100
4
Quaternary
1030302301200
5
Quinary
20123142122
6
Senary
1555250400
8
Octal
114626140
10
Decimal
20130912
12
Duodecimal
68a9a00
16
Hexadecimal
1332c60
20
Vigesimal
65g75c
36
Base36
bzh40
md5
bb54285320ccbb485f2fdbf87ae879e1
sha1
0ad32f8b1601125be4cc080150231e913769319f
sha256
b88b2fb7b56ed30354147493b22fdb3683b106648a3e1b258cd9ca9bf3c190e6
sha512
deb71d9eeb308adfe33aa3026b5ed094ce94a6ff120491bacb27991923b8b0e2c56c0af4d4e3d07742b4ce5dd433303b8f29e86363afed296d2c94e694e53f88
ripemd-160
73f57756b99f8d60720f0c32b76b842ce64a7024
Diameter
40261824
Circumference
126486250.49853
Area
1.2731417889979E+15
Volume
3.4172673757119E+22
Surface area
5.0925671559915E+15
Circumference
126486250.49853
Perimeter
80523648
Area
405253617951744
Diagonal
28469408.773339
Surface area
2431521707710464
Volume
8.1581249206682E+21
Space diagonal
34867762.386698
Perimeter
60392736
Area
1.7547996406088E+14
Altitude
17433881.193349
Surface area
1.7547996406088E+14
Volume
9.6144424219524E+20
Height
9489802.9244464