7913 is an odd 4-digits composite number following 7912
and preceding 7914 . In scientific notation, it is written as 7.913 × 10^3.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 7680 positive integers (up to 7913) that are relatively prime to 7913.
7913 has 4 divisors, whose sum is 8148
The reverse of 7913 is 3197
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 20
Digital Root 2
Name
seven thousand nine hundred thirteen
Scientific notation
7.913 × 10^3
Engineering notation
7.913 × 10^3
Prime Factorization
41 × 193
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7913
Product of the distinct prime numbers
The prime factorization of 7913 is 41 × 193.
Since it has a total of 2 prime factors.
9 , 7 , 69 , 54 , 687 , 162 , 240 , 2807 , 59547 , 72033 , 580342 , 969082 , 675977 , 4667469 , 82965205 , 39936346 , 807329921 , 350433050 , 7891463027 , 5903442074
n×2
15826
n×3
23739
n×4
31652
n×5
39565
n÷2
3956.5
n÷3
2637.6666666667
n÷3
1978.25
n÷5
1582.6
n2
62615569
n3
495476997497
n4
3920709481193761
n5
3.1024574124686E+19
2 √n
88.955044826024
3 √n
19.92723558807
4 √n
9.4315982116513
5 √n
6.0209945367851
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
-7912
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 7913 can be divided by 4 positive divisors.
The sum of these divisors (counting 7913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111011101001
3
Ternary
101212002
4
Quaternary
1323221
5
Quinary
223123
6
Senary
100345
8
Octal
17351
10
Decimal
7913
12
Duodecimal
46b5
16
Hexadecimal
1ee9
20
Vigesimal
jfd
36
Base36
63t
md5
5527eaab87a00dbe1614481ef174f285
sha1
8e839c3bee7602094cce1c5cb6e92a962d4793b4
sha256
d0fce2877f1abf4f60524f501cd7541a192c8801568390acc45ef535ffe33e9a
sha512
5b255efcddd75a8188d8fd30c94519212660f35856ca7888adf718432986f0a57845a1fd583aebef4119bd9d64485f6bf2e830d6e2709f792db3c33221e95895
ripemd-160
3c12261227f39b1b0e9f5ad7c75f101fd1591463
Diameter
15826
Circumference
49718.845335712
Area
196712611.57074
Volume
2075449193812.4
Surface area
786850446.28298
Circumference
49718.845335712
Perimeter
31652
Area
62615569
Diagonal
11190.671919058
Surface area
375693414
Volume
495476997497
Space diagonal
13705.718040293
Perimeter
23739
Area
27113336.713209
Altitude
6852.8590201463
Surface area
27113336.713209
Volume
58392524142.013
Height
3730.2239730194