13065981 is an odd 8-digits composite number following 13065980
and preceding 13065982 . In scientific notation, it is written as 1.3065981 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 8710652 positive integers (up to 13065981) that are relatively prime to 13065981.
13065981 has 4 divisors, whose sum is 17421312
The reverse of 13065981 is 18956031
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirteen million sixty-five thousand nine hundred eighty-one
Scientific notation
1.3065981 × 10^7
Engineering notation
1.3065981 × 10^6
Prime Factorization
3 × 4355327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13065981
Product of the distinct prime numbers
The prime factorization of 13065981 is 3 × 4355327.
Since it has a total of 2 prime factors.
3 , 6 , 72 , 2 , 857 , 443 , 9940 , 6613 , 90791 , 7344 , 822013 , 348717 , 851622 , 3936223 , 38384415 , 42169659 , 552451190 , 937054116 , 1971775155 , 9096541345
n×2
26131962
n×3
39197943
n×4
52263924
n×5
65329905
n÷2
6532990.5
n÷3
4355327
n÷3
3266495.25
n÷5
2613196.2
n2
170719859492361
n3
2.2306224404499E+21
n4
2.9145270425091E+28
n5
3.8081154961411E+35
2 √n
3614.689613231
3 √n
235.53060127676
4 √n
60.122288822291
5 √n
26.498934060344
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
-13065980
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 13065981 can be divided by 4 positive divisors.
The sum of these divisors (counting 13065981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001110101111011111101
3
Ternary
220120211011020
4
Quaternary
301311323331
5
Quinary
11321102411
6
Senary
1144014353
8
Octal
61657375
10
Decimal
13065981
12
Duodecimal
44613b9
16
Hexadecimal
c75efd
20
Vigesimal
41d4j1
36
Base36
7s1rx
md5
c4274382b24fbcadfa408f0279c008c4
sha1
aac1a2568b2430afca4db9f890c7dd3b42605bf9
sha256
d13aa80381531946b5582ce7976d374d0961aaf38507e0c565da4f6e42844c3b
sha512
0201f7ee80d065eefe73417dedecfe6c90f1acec940cbd3e0d9607c580639b3e9b06d2bcc75c2ceab83920fe542993195a46fea1b10d9b4b081fab047a9ad683
ripemd-160
d5b80fb37105f957eece1357e7a9798b6fc0ca1f
Diameter
26131962
Circumference
82095979.843088
Area
5.3633225640308E+14
Volume
9.3436094291331E+21
Surface area
2.1453290256123E+15
Circumference
82095979.843088
Perimeter
52263924
Area
170719859492361
Diagonal
18478087.535909
Surface area
1024319156954166
Volume
2.2306224404499E+21
Space diagonal
22630942.94273
Perimeter
39197943
Area
73923867625447
Altitude
11315471.471365
Surface area
73923867625447
Volume
2.628813756515E+20
Height
6159362.5119697