13016781 is an odd 8-digits composite number following 13016780
and preceding 13016782 . In scientific notation, it is written as 1.3016781 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 7755264 positive integers (up to 13016781) that are relatively prime to 13016781.
13016781 has 16 divisors, whose sum is 17743488
The reverse of 13016781 is 18761031
Previous prime number is 391
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
thirteen million sixteen thousand seven hundred eighty-one
Scientific notation
1.3016781 × 10^7
Engineering notation
1.3016781 × 10^6
Prime Factorization
3 × 81 × 391 × 137
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
13016781
Product of the distinct prime numbers
The prime factorization of 13016781 is 3 × 81 × 391 × 137.
Since it has a total of 4 prime factors.
8 , 3 , 50 , 27 , 973 , 70 , 1108 , 3610 , 52640 , 52834 , 499454 , 451234 , 5007330 , 8728065 , 14696546 , 52255624 , 201381755 , 515299129 , 8922060497 , 5337985031
n×2
26033562
n×3
39050343
n×4
52067124
n×5
65083905
n÷2
6508390.5
n÷3
4338927
n÷3
3254195.25
n÷5
2603356.2
n2
169436587601961
n3
2.205518954202E+21
n4
2.8708757218197E+28
n5
3.7369560549144E+35
2 √n
3607.8776309626
3 √n
235.2345989813
4 √n
60.065611051271
5 √n
26.478947567013
1 , 3 , 81 , 137 , 243 , 391 , 411 , 1173 , 11097 , 31671 , 33291 , 53567 , 95013 , 160701 , 4338927 , 13016781
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13016780
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13016781 can be divided by 16 positive divisors.
The sum of these divisors (counting 13016781) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001101001111011001101
3
Ternary
220111022200000
4
Quaternary
301221323031
5
Quinary
11313014111
6
Senary
1142554513
8
Octal
61517315
10
Decimal
13016781
12
Duodecimal
4438a39
16
Hexadecimal
c69ecd
20
Vigesimal
4171j1
36
Base36
7qzt9
md5
c06ec96c665d93c95ca47276d112a663
sha1
f0741771cc0e167d0b001478b6803fe495366eec
sha256
c1895f77089e590ef1d788c87e1373eb2aa27bae966ddc586666b71d20a5e03b
sha512
9d78008bcb02c828980828afc434c37fccb67055b763633e10d39049e980d7b64ea375b06c626e5a2202e93f1053aa361a7ed160c72ab96e93f35d6470ffed98
ripemd-160
623a587ade36646b08f2ee47c5dfbe8521e3f947
Diameter
26033562
Circumference
81786847.125974
Area
5.3230073885964E+14
Volume
9.2384561918322E+21
Surface area
2.1292029554386E+15
Circumference
81786847.125974
Perimeter
52067124
Area
169436587601961
Diagonal
18408508.22864
Surface area
1016619525611766
Volume
2.205518954202E+21
Space diagonal
22545726.042997
Perimeter
39050343
Area
73368194596923
Altitude
11272863.021499
Surface area
73368194596923
Volume
2.5992290142529E+20
Height
6136169.4095468