20130918 is an even 8-digits composite number following 20130917
and preceding 20130919 . In scientific notation, it is written as 2.0130918 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 6013440 positive integers (up to 20130918) that are relatively prime to 20130918.
20130918 has 32 divisors, whose sum is 41846112
The reverse of 20130918 is 81903102
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred thirty thousand nine hundred eighteen
Scientific notation
2.0130918 × 10^7
Engineering notation
2.0130918 × 10^6
Prime Factorization
2 × 3 × 1121 × 41 × 73
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20130918
Product of the distinct prime numbers
The prime factorization of 20130918 is 2 × 3 × 1121 × 41 × 73.
Since it has a total of 5 prime factors.
1 , 5 , 34 , 19 , 864 , 705 , 4821 , 8101 , 670 , 18063 , 420586 , 915795 , 4778212 , 9053614 , 6430113 , 9943131 , 695938898 , 899289762 , 2298679711 , 4633687132
n×2
40261836
n×3
60392754
n×4
80523672
n×5
100654590
n÷2
10065459
n÷3
6710306
n÷3
5032729.5
n÷5
4026183.6
n2
405253859522724
n3
8.1581322152355E+21
n4
1.6423069065806E+29
n5
3.3061145667208E+36
2 √n
4486.7491572407
3 √n
272.03275088626
4 √n
66.983200559847
5 √n
28.891674673346
1 , 2 , 3 , 6 , 41 , 73 , 82 , 123 , 146 , 219 , 246 , 438 , 1121 , 2242 , 2993 , 3363 , 5986 , 6726 , 8979 , 17958 , 45961 , 81833 , 91922 , 137883 , 163666 , 245499 , 275766 , 490998 , 3355153 , 6710306 , 10065459 , 20130918
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20130917
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20130918 can be divided by 32 positive divisors.
The sum of these divisors (counting 20130918) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110010110001100110
3
Ternary
1101212202102120
4
Quaternary
1030302301212
5
Quinary
20123142133
6
Senary
1555250410
8
Octal
114626146
10
Decimal
20130918
12
Duodecimal
68a9a06
16
Hexadecimal
1332c66
20
Vigesimal
65g75i
36
Base36
bzh46
md5
392b801b4bc729937848b720fd096e36
sha1
1a8b75f108a99bbc3edee1feb4fc35f269f9e2d7
sha256
54d57c216e34b4eff3ed42dcb8c23e6da60af56111e8fd708ecbac2d9a3a6a5a
sha512
72bb5f7e4bc22efd1001d23847c8b83db3376120ada8e1a48d8b34e8a866d3186ac0f194c7f4243dd79b064efa11cd0c27615cc0f9efe5288eda8e668ad82060
ripemd-160
1b1f5d3eb01349a320919e4f65a9060b026f0a88
Diameter
40261836
Circumference
126486288.19764
Area
1.2731425479155E+15
Volume
3.4172704312531E+22
Surface area
5.092570191662E+15
Circumference
126486288.19764
Perimeter
80523672
Area
405253859522724
Diagonal
28469417.258621
Surface area
2431523157136344
Volume
8.1581322152355E+21
Space diagonal
34867772.779003
Perimeter
60392754
Area
1.7548006866418E+14
Altitude
17433886.389501
Surface area
1.7548006866418E+14
Volume
9.6144510186824E+20
Height
9489805.7528736