12731661 is an odd 8-digits composite number following 12731660
and preceding 12731662 . In scientific notation, it is written as 1.2731661 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 8487720 positive integers (up to 12731661) that are relatively prime to 12731661.
12731661 has 8 divisors, whose sum is 17604384
The reverse of 12731661 is 16613721
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million seven hundred thirty-one thousand six hundred sixty-one
Scientific notation
1.2731661 × 10^7
Engineering notation
1.2731661 × 10^6
Prime Factorization
27 × 3 × 157181
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12731661
Product of the distinct prime numbers
The prime factorization of 12731661 is 27 × 3 × 157181.
Since it has a total of 3 prime factors.
5 , 3 , 79 , 18 , 224 , 887 , 7869 , 3134 , 10154 , 70633 , 379908 , 72025 , 3606665 , 9416522 , 13608523 , 94750889 , 302580197 , 166826086 , 698236053 , 1160158580
n×2
25463322
n×3
38194983
n×4
50926644
n×5
63658305
n÷2
6365830.5
n÷3
4243887
n÷3
3182915.25
n÷5
2546332.2
n2
162095191818921
n3
2.0637410319685E+21
n4
2.6274851210813E+28
n5
3.3452249844151E+35
2 √n
3568.1453165475
3 √n
233.50437504317
4 √n
59.73395446936
5 √n
26.361918513885
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12731660
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12731661 can be divided by 8 positive divisors.
The sum of these divisors (counting 12731661) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000100100010100001101
3
Ternary
212221211120000
4
Quaternary
300210110031
5
Quinary
11224403121
6
Senary
1132514513
8
Octal
60442415
10
Decimal
12731661
12
Duodecimal
431ba39
16
Hexadecimal
c2450d
20
Vigesimal
3jb931
36
Base36
7kvt9
md5
d88ae17576e4ca5e30cf5f5e63f2f319
sha1
4559dbffe0f15442b5580d2ca49bc74400ad4343
sha256
5d6837dde4d3765e3dee9225f64866eefc8b3dd1713e0a6fd6f6ffd1dc0f1a48
sha512
2eed59a1fcb1fd7bb297cf58ec9f3f00fde32e458ba16ec6a754139502a492e467917c23699ce218ec30017fa80a8dc181a94ba854bff8b3b3d514ed233fb401
ripemd-160
216aea15bb7e48300352f93b91ae6df6484a2a2f
Diameter
25463322
Circumference
79995385.331191
Area
5.0923706380055E+14
Volume
8.6445782199253E+21
Surface area
2.0369482552022E+15
Circumference
79995385.331191
Perimeter
50926644
Area
162095191818921
Diagonal
18005287.657737
Surface area
972571150913526
Volume
2.0637410319685E+21
Space diagonal
22051883.716743
Perimeter
38194983
Area
70189276973249
Altitude
11025941.858372
Surface area
70189276973249
Volume
2.4321421305297E+20
Height
6001762.5525789