20130749 is an odd 8-digits composite number following 20130748
and preceding 20130750 . In scientific notation, it is written as 2.0130749 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 19481340 positive integers (up to 20130749) that are relatively prime to 20130749.
20130749 has 4 divisors, whose sum is 20780160
The reverse of 20130749 is 94703102
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred thirty thousand seven hundred forty-nine
Scientific notation
2.0130749 × 10^7
Engineering notation
2.0130749 × 10^6
Prime Factorization
31 × 649379
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20130749
Product of the distinct prime numbers
The prime factorization of 20130749 is 31 × 649379.
Since it has a total of 2 prime factors.
6 , 1 , 6 , 79 , 465 , 110 , 1663 , 1221 , 42910 , 34208 , 159432 , 297684 , 6776134 , 7495943 , 22539094 , 41707765 , 422861414 , 13000754 , 7653506705 , 3628547
n×2
40261498
n×3
60392247
n×4
80522996
n×5
100653745
n÷2
10065374.5
n÷3
6710249.6666667
n÷3
5032687.25
n÷5
4026149.8
n2
405247055301001
n3
8.1579267532536E+21
n4
1.6422517583013E+29
n5
3.3059757941173E+36
2 √n
4486.7303239664
3 √n
272.03198964156
4 √n
66.983059977627
5 √n
28.891626163791
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20130748
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20130749 can be divided by 4 positive divisors.
The sum of these divisors (counting 20130749) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010101110111101
3
Ternary
1101212202012022
4
Quaternary
1030302232331
5
Quinary
20123140444
6
Senary
1555245525
8
Octal
114625675
10
Decimal
20130749
12
Duodecimal
68a98a5
16
Hexadecimal
1332bbd
20
Vigesimal
65g6h9
36
Base36
bzgzh
md5
4ac7053ed436e8d5bc76399d0b93d222
sha1
e9ec149fe7960d0a4b13ac1bd5bbafe0635636ec
sha256
13b755a0e3f03eabe246b3002b30c5e5016fad354b98df152ec7780b6b321614
sha512
50f05121ff7ef164e81d0f8018863d46c982c2bf57e3705d01ff0d1f5e9b0fc85addfda514f33665e244222ac4e0476d21105d6945a084f88bdf8c14e4e9567d
ripemd-160
43a9ecf07597c6ba76eada64b393018d4d3a059d
Diameter
40261498
Circumference
126485226.33932
Area
1.2731211718225E+15
Volume
3.4171843675393E+22
Surface area
5.0924846872901E+15
Circumference
126485226.33932
Perimeter
80522996
Area
405247055301001
Diagonal
28469178.256529
Surface area
2431482331806006
Volume
8.1579267532536E+21
Space diagonal
34867480.062416
Perimeter
60392247
Area
1.7547712234975E+14
Altitude
17433740.031208
Surface area
1.7547712234975E+14
Volume
9.6142088794146E+20
Height
9489726.0855095